Choices:
A. puppies learning new tricks
B. children growing up and getting old
C. flowers wilting in a vase
D. plants sprouting, blooming and wilting

the sun is the source of energy for physical cycles on Earth

Answer: D


When standing miles away from Mount Rushmore

Choices:
A. the mountains seem very close
B. the mountains are boring
C. the mountains look the same as from up close
D. the mountains seem smaller than in photographs

as distance to an object increases , that object will appear smaller

Answer: D


Choices:
A. the mind needs time to digest
B. take a second to digest what I said
C. nutrients are being deconstructed
D. reader's digest is a body of works

digestion is when stomach acid breaks down food

Answer: C


Choices:
A. warm lights that float
B. made out of nitrate
C. great balls of gas burning billions of miles away
D. lights in the sky

Answer: C


Choices:
A. straw
B. Glass
C. Candle
D. mailing tube

Galileo Galilei made improvements to the telescope to make better observations of celestial bodies

Answer: D


Poison causes harm to which of the following?

Choices:
A. a Tree
B. a robot
C. a house
D. a car

Answer: A


an inherited characteristic found on all mammals is

Choices:
A. nails
B. teeth
C. shoes
D. fur

the colors of the parts of an organism are inherited characteristics

Answer: D


Choices:
A. plants
B. mushrooms
C. bacteria
D. robots

Answer: D


Choices:
A. the headlights become more intense
B. the headlights recede into the dark
C. the headlights remain at a constant
D. the headlights turn off

as a source of light becomes closer , that source will appear brighter

Answer: A


When the weather changes as it does from Christmas to Easter,

Choices:
A. the air may chill
B. the ground may freeze
C. the plants may die
D. the ground may warm

Answer: D


Using mirrors to focus collected light from heavenly bodies allows

Choices:
A. detailed observation
B. foregone conclusions
C. radiation experiments
D. celestial music

detailed observation of celestial objects requires a telescope

Answer: A


Which of these things will supplement a squirrel's caloric needs?

Choices:
A. fish
B. tree bark
C. nuts
D. leaves

an animal needs to eat food for nutrients

Answer: C


As you look deeper into a Marbel you can see

Choices:
A. the future
B. minut defects
C. colors
D. the other side

as the size of an object appears larger , that object will be observed better

Answer: B


What happens when mercury is placed in water?

Choices:
A. it dissolves
B. it sinks
C. it floats
D. it hardens

Answer: B


In the desert, a hawk may enjoy an occasional

Choices:
A. coyote
B. reptile
C. bat
D. scorpion

Answer: B


Choices:
A. a belt buckle
B. a wooden table
C. a plastic cup
D. a paper plate

a magnet attracts magnetic metals through magnetism

Answer: A


Choices:
A. October to December
B. November to March
C. December to April
D. December to March

the amount of daylight is least in the winter

Answer: D


A person is lost in a dense forest, and needs to find their home. They know their home is to the south, and they are headed north. They can find home by using a

Choices:
A. northern-directing device
B. northern light reader
C. northeastern winds
D. north central credit

a compass is a kind of tool for determining direction by pointing north

Answer: A


Where are you likely to find a nonrenewable resource?

Choices:
A. a forest
B. a dam
C. a mine
D. a solar panel

Answer: C


A man is searching for his dog in the woods and brings a flashlight. The flashlight has two large batteries in it, which

Choices:
A. provide light due to wiring
B. provide light through plastic
C. use light to heat the flashlight
D. provide light due to moisture

a flashlight converts chemical energy into light energy

Answer: A


the summer solstice is on June 21st in the

Choices:
A. in the south pacific
B. upper portion of earth
C. lower portion of earth
D. the equator near the tropics

the summer solstice is on June 21st in the northern hemisphere

Answer: B


A mouse is being hunted by a Great Horned Owl. The owl watches the mouse carefully, and the mouse is unaware that it is being hunted. The mouse is unable to tell where the owl is, because

Choices:
A. the owl is invisible
B. the mouse is oblivious
C. the mouse is blind
D. the owl matches its background

camouflage is used for hiding by animals from predators

Answer: D


Choices:
A. A mysterious rumble off the coast of Japan
B. Someone farted in class
C. Kids were stomping on the floor
D. to track the buzz of a bee

a seismometer is used to measure the strength or magnitude of an earthquake

Answer: A


Many animals that give birth to live young have

Choices:
A. gills
B. scales
C. exoskeletons
D. legs

Answer: D


A child will only grow if they are provided with

Choices:
A. a bed
B. education
C. inspiration
D. energy

Answer: D


Every twenty-four hours and fifty minutes, the moon can have an effect on bodies of water causing them to

Choices:
A. swell
B. float
C. die
D. burn

high tide is a stage in the tide cycle process

Answer: A


Choices:
A. are unable to decay
B. are able to regrow themselves
C. are broken down for good
D. broke, passed, will decay

Answer: D


A car is driving on a highway trying to get up the the speed limit. However, there are strong winds hitting the windshield of the car. Even though the driver is trying to speed up, the high winds

Choices:
A. flip the car over
B. help the car go faster
C. conflict with the driver's goal
D. move the car sideways

a force acting on an object in the opposite direction that the object is moving can cause that object 's speed to decrease in a forward motion

Answer: C


a student leaves a nail line on a mineral sample, so that mineral can be described as what?

Choices:
A. a mineral
B. a soft mineral
C. a liquid mineral
D. a mineral melt

if a mineral can be scratched by a fingernail then that mineral is soft

Answer: B


An example of a chemical change is acid breaking down substances, another is

Choices:
A. flour added to salt
B. milk added to water
C. corn added to soup
D. lemon juice added to milk

An example of a chemical change is acid breaking down substances

Answer: D


Choices:
A. fluctuating volume
B. turned up volume
C. turned down volume
D. steady volume

Matter in the gas phase has variable volume

Answer: A


an example of an excellent earth mover is

Choices:
A. cat
B. dog
C. annelids
D. fish

Answer: C


Choices:
A. Shark
B. Turtle
C. Giraffe
D. Spider

Answer: C


As a plant's roots get bigger, they split apart

Choices:
A. worms
B. water
C. granite
D. atoms

a plant 's roots slowly break down rocks as the roots grow

Answer: C


Choices:
A. less
B. stronger
C. brighter
D. more widespread

as distance to a city decreases , the amount of light pollution will increase

Answer: A


Choices:
A. moistness
B. warmth
C. heat
D. coldness

An example of moisture is water vapor in the atmosphere

Answer: A


Heat and moisture in the ocean is a good recipe for

Choices:
A. a violent storm
B. violent sea animals
C. condensation
D. inland storms

an ocean is a source of heat and moisture for a hurricane

Answer: A


if the boiling point of water is attained, what ensues beyond this point?

Choices:
A. the water turns evaporates rapidly
B. the water then solidifies
C. the water becomes black
D. all of these

steam is a kind of water above 100 degrees celsius

Answer: A


What is the most likely to be an effect of acid rain on an aquatic environment?

Choices:
A. decrease in plant life
B. increase in fish population
C. increase in plant growth
D. cleaner and clearer water

acid rain has a negative impact on water quality

Answer: A


When the moon is full is has a different

Choices:
A. size
B. weight
C. distance
D. appearance

the phases of the Moon change the appearance of the Moon

Answer: D


What happens when a hemisphere is tilted away from the sun?

Choices:
A. cools
B. nothing
C. heats
D. warms

winter is when a hemisphere is tilted away from the sun

Answer: A


Choices:
A. vegetable oil
B. coal
C. fossil fuel
D. petroleum fuel

alternative fuel is usually a renewable resource

Answer: A


Choices:
A. Run a mile
B. Swim
C. bake a bagel
D. Rock climb

a doorbell converts electrical energy into sound

Answer: C


On the list of a flower's goals would be to

Choices:
A. produce carbon dioxide
B. deroot and die
C. produce offspring
D. remain sterile

Answer: C


A person wants to buy some reusable equipment for the kitchen, so they get

Choices:
A. paper plates
B. ceramic plates
C. solo cups
D. plastic forks

something reusable can be used more than once

Answer: B


The only stage of the water cycle process that is nonexistent is

Choices:
A. evaporation
B. evaluation
C. precipitation
D. condensation

evaporation is a stage in the water cycle process

Answer: B


which of these would more likely survive?

Choices:
A. a lost dog by the river, with small rodents
B. a cat left in the desert
C. a man drifting a raft at sea without supplies
D. none of these

the ability to access resources has a positive impact on an organism 's survival

Answer: A


Choices:
A. is smooth on the entire surface
B. contains large cavities cause by explosions
C. contains an internal core of cheese
D. is filled with lakes

the moon 's surface contains many craters

Answer: B


Choices:
A. trap the dangerous gases released by plants
B. protect plants from snow and frost
C. keep plants from getting warm
D. protect plants from mild weather

a greenhouse is used to protect plants from the cold

Answer: B


Choices:
A. the cycling of AM and PM
B. the creation of volcanic eruptions
C. the cycling of the tides
D. the creation of gravity

a planet rotating causes cycles of day and night on that planet

Answer: A


which one of these can help a person cook their food?

Choices:
A. a stack of clothes
B. a stack of cans
C. a pack of cigarettes
D. a counter cooker appliance

a stove generates heat for cooking usually

Answer: D


Choices:
A. dogs to bark
B. stones to form
C. warmth on bodies
D. plastic to form

Answer: C


with which could you tell the exact size of an object?

Choices:
A. a plain stick with irregular shape
B. a plastic tape with graduated markings
C. a thermometer with mercury in it
D. a metal cooking spoon

a tape measure is used to measure length

Answer: B


Which would be the result of the breeding of two wolves?

Choices:
A. kittens
B. wolf pups
C. fox pups
D. dog pups

Answer: B


Choices:
A. measure how much belly fat the user has
B. measure height of the user
C. help users know if they need to drop some lbs.
D. help users determine their blood sugar levels

Answer: C


When producers create food in an ecosystem, a portion of the nutrients are

Choices:
A. carbs
B. energy
C. grass
D. flowers

a producer is a source of sugar in an ecosystem

Answer: A


Two ships grazing each other as they pass will

Choices:
A. cause mayhem
B. sink them
C. speed them up
D. slow them down

friction acts to counter the motion of two objects when their surfaces are touching

Answer: D


Choices:
A. energy stored due to the relative positions of charged particles or electric fields
B. energy stored due to the bombardment of particles
C. energy stored between the cells of nonadjacent particles
D. energy that is broken down in particles

a battery converts chemical energy into electrical energy

Answer: A


Choices:
A. dog
B. sun
C. human
D. dust

chlorophyll is used for absorbing light energy by plants

Answer: B


Quartz may produce rainbows when light is shined

Choices:
A. around the crystal's area
B. through any of its sides
C. in the room its in
D. in to a mirror at it

a quartz is made of six-sided transparent crystals

Answer: B


A woman is digging under a tree on a tall mountain. She is looking for interesting rocks, and a foot down into the soil, discovers a fossilized fish skeleton. From this discovery, the woman is able to determine that

Choices:
A. the mountain used to be underwater
B. some bears in mountains eat fish
C. some fish can climb mountains
D. sometimes rain can move fish to high spaces

if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past

Answer: A


Which animal lacks the ability to see by sensing light?

Choices:
A. Southern cave crayfish
B. lobster
C. cod
D. salmon

eyes are used for seeing by animals by sensing light

Answer: A


Which animal emits something that many autistic people would be extra sensitive to?

Choices:
A. cow
B. dog
C. cat
D. skunk

Answer: D


which of these usually occur over the shortest period?

Choices:
A. a super size earthquake
B. a torrential rain fall
C. all of these
D. the eruption of a volcano

an earthquake usually occurs over a period of 10 to 30 seconds

Answer: A


Choices:
A. easy to cook a meal
B. time to eat breakfast
C. necessary to wear a coat
D. harder to see outside

Answer: D


Choices:
A. would allow the user to better view the legs on an ant
B. would enhance the smell of a viewed specimen
C. would blur the legs of an ant
D. would enhance the feel of the user

magnifying glass is used to see small things by making objects appear bigger

Answer: A


What do rotating vanes on an electric fan do to air?

Choices:
A. dampen
B. circulate
C. cool
D. warm

the vanes rotating in an electric fan causes air to move

Answer: B


An animal would have its inner parts better protected if it had which of these?

Choices:
A. a backpack on its back
B. a calcium fortified internal structure
C. none of these
D. a shell of cotton

the skeletal system protects internal organs

Answer: B


Choices:
A. fertilizer
B. cool temperatures
C. non-organic matter
D. H2O

Answer: D


Choices:
A. often come from fossil fuels
B. take centuries to biodegrade
C. can be used ad infinitum
D. should be used conservatively

renewable resources can be used over again

Answer: C


a day hiking will most likely result in which of these?

Choices:
A. a paling of the skin
B. a greening of the skin
C. an even darker tone
D. none of these

if something is outside during the day then that something will receive sunlight

Answer: C


Choices:
A. makes objects appear to be twice their size
B. moves heat energy thru sound waves
C. is the phenomenon involved in mirrors
D. makes a straw appear broken when in a cup of water

refraction causes something to look different

Answer: D


which of these can be considered a stage in the water cycle?

Choices:
A. all of these
B. the combination of nails and hammers
C. the presence of H20
D. the combination of chlorine and gas

condensation is a stage in the water cycle process

Answer: C


Which of these items is required for a deer to live

Choices:
A. sun
B. iron
C. sand
D. cafeteria

the sun is the source of energy for life on Earth

Answer: A


Where is the best place to shoot animals?

Choices:
A. national park
B. sky
C. forest
D. sea

Answer: C


Spiders can catch prey by doing all aside from

Choices:
A. building webs
B. building traps
C. hunting
D. howling

a spider web is used to capture food by spiders

Answer: D


When does electricity flow through a conductor?

Choices:
A. when it's outside around lighting
B. when it's attached to a battery
C. when it's attached to a human
D. when it's near a light bulb

sending electricity through a conductor causes electricity to flow through that conductor

Answer: B


Choices:
A. The number of freckles I have on my back
B. How long the road is
C. My weight loss in 6 months
D. how many marshmallows I can eat in 10 minutes

Answer: D


If John were going to the store, how would he measure his trip?

Choices:
A. kilometer
B. centimeter
C. decameter
D. meter

kilometers km are a unit used for measuring distance generally used for values between 1 and 50000000

Answer: A


A man plugs his television into an outlet behind a cabinet. He sees that the television may now be turned on so that he can watch his favorite show. The man knows that by hooking the t.v. cord into the outlet

Choices:
A. he completed a lap
B. he made a good deal
C. he invented new circuits
D. he completed a circuit

when an electrical conductor is plugged into an outlet , a circuit is completed

Answer: D


Which type of energy is the most environmentally friendly?

Choices:
A. Coal
B. Petroleum
C. Natural Gas
D. Sunlight

Answer: D


Choices:
A. ice
B. steam
C. water
D. salt water

Matter in the solid phase has definite shape

Answer: A


who would see better through an underground tunnel?

Choices:
A. a boy with a pen
B. a man with a stick
C. a man with a spoon
D. a man with a candle and match

a candle is a source of light when it is burned

Answer: D


There are now many more people because of

Choices:
A. efficient farming
B. more cities
C. computers
D. global warming

the increase of something required by an organism has a positive impact on that organism 's survival

Answer: A


Water in a sealed jar might do what when placed in the freezer?

Choices:
A. evaporate
B. break it
C. melt
D. run off

Answer: B


Choices:
A. mixing and heating edible items
B. putting water in a bowl
C. petting a small cat
D. rolling a ball on a floor

Answer: A


What stores food for future use and is green?

Choices:
A. bacteria
B. trout
C. virus
D. tree

usually plants store the food they produce for future use

Answer: D


Filling a bottle full of water and then placing it in the freezer can lead to

Choices:
A. loosening of the bottle lid
B. deflation of the bottle
C. ice cubes in the freezer
D. bursting of the bottle

Answer: D


What functions without contact between objects?

Choices:
A. weight
B. friction
C. opposites attracting
D. pressure

magnetism does not require contact between objects to act

Answer: C


Choices:
A. Sea of Tranquilitiy
B. Caspian Sea
C. Dead Sea
D. Caribbean Sea

Answer: A


Choices:
A. can do their food chain jobs without ingestion
B. act as predators in the food chain
C. are always safe to ingest
D. occupy the top of the food chain

In the food chain process fungi have the role of decomposer

Answer: A


Compared to a regular swimmer, a scuba diver deals with more

Choices:
A. heat
B. pressure
C. water
D. air

as an object descends into water , the pressure on that object will increase

Answer: B


What is an example of the fact that a thing is dead once it dies after having previously lived?

Choices:
A. a small squirrel falls from a tree and breaks its leg
B. a panda stops eating and falls into a coma
C. a dog is paralyzed and is unable to move
D. a vibrant cat is deceased after being hit by a car

if a living thing dies then that living thing is dead

Answer: D


Choices:
A. filled with beautiful music
B. of a significant weight
C. the color light pink
D. take 10 years to form

Answer: B


If someone is experiencing frequent falls

Choices:
A. they should move out of their house
B. they should just stop trying to walk
C. they should try wearing slicker bottomed shoes
D. they should try putting down carpet or throw rugs

as the smoothness of something increases , the friction of that something will decrease when its surface moves against another surface

Answer: D


It is easiest to get a clear photo of the moon by

Choices:
A. using a large magnifying glass
B. using a telephoto lens
C. using a telescopic lens
D. looking through a microscope

as the size of an object appears larger , that object will be observed better

Answer: C


Filling a glass with markers for cup amounts on it would be

Choices:
A. seeing how much data is left on a phone
B. a part of making chili
C. a way to consider getting something
D. a way to collect data

An example of collecting data is measuring

Answer: D


Winter snows follow Autumn's falling leaves by

Choices:
A. three months
B. three days
C. three years
D. 12 months

a new season occurs once per three months

Answer: A


The way that squirrels put away food during the cool season ensures that they

Choices:
A. survive
B. eat
C. live
D. grow

squirrels gather nuts in the autumn to eat during the winter

Answer: A


Choices:
A. a deer munching grass
B. a plant beginning to photosynthesize
C. a squirrel eating a bug
D. a wolf eating a deer

Answer: A


Eating and digesting a large meal is guaranteed to produce

Choices:
A. disease
B. fecal matter
C. fuel
D. fertilizer

processes sometimes produce waste products

Answer: B


Canyons are generally old, huge, and breathtaking and are

Choices:
A. brimming to full with sand
B. filled with local wildlife
C. dirty and muddy inside
D. typically materialized with stone

Answer: D


If a room is going to be humid, or dry, depends on how much water vapor is in the air, so if a room wants to be humid

Choices:
A. run a bath
B. use a dehumidifier
C. open a window
D. hope it rains

humidity is the amount of water vapor in the air

Answer: A


What impacts an objects ability to reflect light?

Choices:
A. color pallete
B. weights
C. height
D. smell

as lightness in color of an object increases , the ability of that object to reflect light will increase

Answer: A


which of these would make an ideal object to drive in with a hammer?

Choices:
A. an iron nail
B. a metal nail
C. a steel nail
D. all of these

Answer: D


local plant varieties are the best for improving the local

Choices:
A. social status
B. environs
C. satellite reception
D. future

planting native plants has a positive impact on an ecosystem

Answer: B


Choices:
A. halts the functioning of the conductor
B. moves like traffic through a green light
C. causes fire to flow through the conductor
D. flows heat back to the conductor

sending electricity through a conductor causes electricity to flow through that conductor

Answer: B


The sun is a source of which, first and foremost?

Choices:
A. Light
B. Energy
C. Heat
D. Nutrients)

the sun is a source of light called sunlight

Answer: A


Where in the world will a person have the smallest shadow at noon?

Choices:
A. the arctic circle
B. the south pole
C. the north pole
D. near the equator

as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease

Answer: D


Oil is a source of a material used for an object with

Choices:
A. wood planks
B. cardboard
C. a large stone
D. wheels

Answer: D


Choices:
A. Wooden hairbrush
B. Oranges
C. Glassware
D. Zippers

a magnet attracts ferromagnetic metals through magnetism

Answer: D


What sort of habitat would living things live in?

Choices:
A. A habitat with plenty of water
B. A habitat with varying weather
C. A habitat that most animals choose
D. A habitat with many toys

when a habitat can support living things , living things can live in that habitat

Answer: A


A person finishes drinking a bottle of water and notices that at the bottom of the bottle is a small symbol, consisting of three arrows in a triangular shape. This symbol tells the person that they should

Choices:
A. have it reprocessed
B. burn the bottle
C. reuse the bottle
D. remake the bottle

recyclable means a material can be recycled

Answer: A


In order to better understand the world around us, specialists

Choices:
A. watch several educational programs
B. discuss topics with laymen
C. inspect, note, and consider
D. make notes in books

Answer: C


A woman leaves some meat on the counter, and bacteria begins to quickly grow on the surface. This bacteria may cause

Choices:
A. turned food
B. growing beans
C. sticky toffee
D. pocked oranges

Answer: A


Stars appear in different areas in the sky at different times of year due to what?

Choices:
A. Earths Rotation
B. Changing Weather
C. Suns Rotation
D. Time Change

the Earth revolving around the sun causes stars to appear in different areas in the sky at different times of year

Answer: A


Choices:
A. be grown in arctic environments
B. be used as kindling
C. fuel a steam locomotive
D. fuel an economy car

Answer: D


strumming a string can cause what type of wave?

Choices:
A. Tidal
B. Pressure
C. Light
D. Dark

strumming a string can cause that string to vibrate

Answer: B


Coral is a type of living organism which can be identified in

Choices:
A. only in the pacific ocean
B. saltwater locations that are open
C. any where with liquid
D. water sources in america

Answer: B


Having reliable plant sources in a field, a rabbit may react by

Choices:
A. having larger litters
B. finding a mate
C. eating more food
D. finding new food

as the number of sources of food increase in an environment , the population of the organisms will increase in that environment

Answer: A


The layer of material on the bottom of the Snake River was put there by what?

Choices:
A. fish swimming
B. weather related degradation
C. global warming
D. animal movement

Answer: B


Which converts carbon dioxide, water, and solar energy into oxygen?

Choices:
A. chrysanthemum
B. mistletoe
C. mushroom
D. mole

photosynthesis means green plants convert from carbon dioxide, water, and solar energy into oxygen for themselves

Answer: A


Choices:
A. the southern part of cities
B. the northern part of Earth
C. the southern part of the third rock
D. the southern part of every rock

December is during the summer in the southern hemisphere

Answer: C


Trembling muscles spasms in animals can be caused in party by

Choices:
A. temperature in single digits
B. temperatures in triple digits
C. finding the right temperatures
D. being unaware of the temperature

cool temperatures cause animals to shiver

Answer: A


The number of lines found in a tree bore will tell you?

Choices:
A. variety
B. sturdiness
C. the age
D. the height

the number of rings in a tree trunk can be used to estimate the age of the tree

Answer: C


Choices:
A. Bees
B. energy
C. Pollen
D. Honey

when pollen sticks to a hummingbird , that pollen will move to where the hummingbird moves

Answer: C


To naturally increase the amount of organic matter in soil add

Choices:
A. fungi
B. sunflowers
C. trees
D. voles

decomposition increases amount of organic matter in soil

Answer: A


Choices:
A. Driving a new car
B. Putting a fresh raspberry seed in soil
C. Taking the temperature for the day
D. Having a large breakfast

being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time

Answer: B


When a bird is living in a certain segment of the world, it can become part of that environment along with predators and food sources, the process being called what?

Choices:
A. animals reproduce
B. preyed upon
C. adapted to it
D. predators get it

living in an environment causes an organism to adapt to that environment

Answer: C


Chimpanzees dig for insects with sticks; what is another example of using tools?

Choices:
A. birds using twigs to build nests
B. otters using rocks to open clams
C. anteaters using their tongue to catch ants
D. koalas using their pouch to hold infants

An example of using tools is a chimpanzee digging for insects with a stick

Answer: B


Carbon dioxide exists where it does because

Choices:
A. humans expel it
B. deer eat it
C. birds use it
D. trees absorb it

Answer: A


What covers over 90% of the Earth's surface and 0% of the moon's surface

Choices:
A. a magnesium iron silicate mineral
B. chemical element with the symbol S
C. the element with the symbol Fe
D. that which contains 2 hydrogen and 1 oxygen molecules

Answer: D


Choices:
A. reproducing
B. food for animals
C. growth
D. food storage

Answer: A


Choices:
A. space stations
B. alien life forms
C. craters
D. moon rocks

Answer: C


Which set of animals don't compete for food?

Choices:
A. dolphin and fish
B. hyena and bear
C. whale and cat
D. eagle and raven

if two animals have the same food source then those two animals compete for food

Answer: C


will a glacier travel at greater speeds than a sea going vessel?

Choices:
A. maybe it moves faster
B. this is likely to be false
C. all of these
D. odds are in its favor

Answer: B


Something that shows that the earth changes is

Choices:
A. a city where a tree was
B. a lake where a tree was
C. a tree where a bird was
D. a plant where a rock was

An example of a change in the Earth is an ocean becoming a wooded area

Answer: B


A lot of people think that volcanoes may only exist in tall mountains that tower above us, but a lot of volcanoes

Choices:
A. fall into the oceans
B. are water leaking volcanoes
C. erupt into the sea
D. are found and erupt beneath the water

Answer: D


Choices:
A. bad brakes
B. the engine size
C. the wind
D. the steering wheel

a force acting on an object in the opposite direction that the object is moving can cause that object 's speed to decrease in a forward motion

Answer: C


The lights were turned off in a room, who could find the light switch?

Choices:
A. Mice
B. Elephants
C. Raccoons
D. Hamsters

Answer: C


slope is a measure of the difference in elevation from the top to the base of a

Choices:
A. penny
B. tower
C. pyramid
D. box

slope is a measure of the difference in elevation between one part of the land and another part of the land

Answer: C


In a zoo, a polar bear exhibit will contain

Choices:
A. salt
B. cacti
C. strong fans
D. sand

a polar bear requires a cold environment

Answer: C


Choices:
A. mountains
B. earthquakes
C. volcanoes
D. caves

precipitation is when rain fall from clouds to the Earth

Answer: D


When the scientist finally completed his new invention he thanked his

Choices:
A. powers of observation
B. lucky stars
C. mother
D. grandmother

Answer: A


When the game console's power cable was attached to the wall, electricity ended up in

Choices:
A. the plug
B. the power cable
C. the wall
D. the game console

sending electricity through a conductor causes electricity to flow through that conductor

Answer: D


Some birds have scooped beaks, but others have sharp beaks such as

Choices:
A. peregrine falcons
B. pelicans
C. toucans
D. snakes

sharp beaks are a kind of adaptation for catching prey

Answer: A


People commonly have bad reactions to what they get from a

Choices:
A. discount store
B. lawyer
C. catalog
D. pharmacy

medicine can cause people to have bad reactions

Answer: D


What happens to body water when animal activity rises

Choices:
A. the water decreases
B. it stays same
C. the water increases
D. the water hardens

as the activity of an animal increases , the amount of water in an animal 's body in that environment will decrease

Answer: A


More carbon dioxide is in the air in the past decade than ever before, probably because

Choices:
A. more cattle produced
B. more plant life
C. human population increased
D. less water area

carbon dioxide concentrations in the air have increased over the last decade dramatically

Answer: C


Choices:
A. a wooden wall
B. the wind
C. the sun
D. light rays

a thermal insulator slows the transfer of heat

Answer: A


Whether a rainstorm, snow, or hail, humanity can find a way to escape it by

Choices:
A. restoring old city streets
B. creating a protected space
C. building a large community
D. sheltering all the young

Answer: B


In a strong tempest, a large boulder may be

Choices:
A. broken
B. smoothed
C. sharpened
D. stained

Answer: B


The way that electrical conductors works in ways such as

Choices:
A. sticking a plug into an outlet to power a microwave
B. turning on a coffee pot in the morning
C. making sure that a hair dryer is unplugged after use
D. turning on lights in a room

when an electrical conductor is plugged into an outlet , a circuit is completed

Answer: A


When wheels are squealing on a blacktop, friction

Choices:
A. works against motion
B. stops motion
C. removes forward motion
D. makes things rough

friction acts to counter the motion of two objects when their surfaces are touching

Answer: A


Choices:
A. center of gravity
B. shape and mass
C. chemical composition
D. speed

breaking down an object changes that object 's shape and mass

Answer: B


When looking for a good renewable resource in order to avoid wasting anything that will eventually run out, a man decides to use

Choices:
A. colored pencils
B. snow cones
C. murky river fluid
D. fresh flounder

Answer: C


A consequence of polluting could be that

Choices:
A. fish become inedible
B. water tastes gross
C. papers report it
D. trash is overflowing

polluting means something poisonous is added to an environment causing harm to the environment

Answer: A


the top layer of soil contains the most nutrients where I

Choices:
A. hike
B. wade
C. jog
D. skate

the top layer of soil contains the most nutrients

Answer: A


A cacti is basically an enormous stem, which means that

Choices:
A. it can be drunk from
B. it is very thin
C. it holds up bright green leaves
D. it can hide in grass

a stem is used to store water by some plants

Answer: A


Without reliable sources of food or water

Choices:
A. creatures experience some suffering
B. animals must make their own
C. dogs will need to be fed
D. organisms need to be cared for

loss of resources has a negative impact on the organisms in an area

Answer: A


An echo is produced by what type of reflection of sound source?

Choices:
A. Direct
B. Distant
C. Varied
D. Single

when a sound is produced inside of a room , there is sometimes an echo after the sound

Answer: D


if food has lack of immediate use for energy then it will

Choices:
A. be discarded immediately
B. kept for later
C. left to rot
D. be thrown up

if food is not immediately used by the body for energy then that food will be stored for future use

Answer: B


Puerto Rico experienced many landslides due to Hurricane Maria in

Choices:
A. 2017
B. 2015
C. 2012
D. 2009

Answer: A


Choices:
A. butter
B. cola
C. tea
D. syrup

Answer: B


Deserts, Jungles, and Oceans have many different

Choices:
A. organisms
B. fish
C. trees
D. grasses

an ecosystem contains a large community of living organisms in a particular place

Answer: A


If a glacier going past a dock brushed up against some large boulders there, the stones would

Choices:
A. have gouges
B. have stains
C. be frozen
D. be dirty

Answer: A


Air is considered to be a vehicle for..?

Choices:
A. Light
B. Wind
C. Speed
D. Sound

Answer: D


The removal of trees may cause damage to ecosystems such as

Choices:
A. cities
B. jungles
C. fields
D. oceans

cutting down trees has a negative impact on an organisms living in an ecosystem

Answer: B


When a wolf is buried what will happen to other wolves?

Choices:
A. small change
B. learn to fly
C. less of them
D. more of them

if an organism dies then the population of that organism will decrease

Answer: C


A fundamental feature of all life produces

Choices:
A. offspring
B. auroras
C. magnetism
D. organisms

Answer: A


What part of the backyard is cooler than the other parts?

Choices:
A. the part by the fence
B. the part with the grass
C. the part by the pool
D. the part by the oak tree

large trees block sunlight from reaching the ground

Answer: D


What is an example of reproduction being a stage in the life cycle process?

Choices:
A. births can occur only after reproduction takes place
B. death is the last stage in the life cycle
C. reproduction mightn't guarantee a healthy life
D. life can end during reproduction

reproduction is a stage in the life cycle process

Answer: A


Choices:
A. pottery clay for kilns
B. baking sheet for cookies
C. items that fasten roofing to roofs
D. twist ties for bread bags

Answer: C


When car is close to the runner the illumination of the motorized entity is at a higher level because?

Choices:
A. moons gravity
B. motion
C. it is closer
D. sun rotation

as a source of light becomes closer , that source will appear brighter

Answer: C


During a thunderstorm an animal is most likely going to relocate to a

Choices:
A. cave
B. beach
C. mountain
D. pond

shelter is used for protection by animals against weather

Answer: A


Choices:
A. using clear ink to spread smell
B. hiding in dark, inky caves
C. expelling dark fluid for cover
D. using ink to paint camouflage

ink is used for hiding from predators by octopuses

Answer: C


nutrients from food and water are necessary to an organism's

Choices:
A. friendships
B. habitat
C. survival
D. caloric needs

an animal requires nutrients for survival

Answer: C


When a microfiber towel is used to pick up a puddle of milk, the towel then

Choices:
A. is milky white
B. is partly milk
C. contains the milk
D. is now wet

if something absorbs something else then that something will contain that something else

Answer: C


Why would a species camouflage as a dangerous animal?

Choices:
A. to mate
B. to avoid crocodiles
C. to catch prey
D. to  build nests

mimicry is used for avoiding predators by animals by camouflaging as a dangerous animal

Answer: B


The reason that flies can always find food is that they can smell

Choices:
A. organism decay
B. bad smells
C. dying animals
D. rotting trees

the smell of rotting meat attracts flies

Answer: A


Choices:
A. acid rain
B. smog
C. chemical run-off
D. laundry soup

Answer: D


This type of energy resource often results in particulates that are very toxic to breathe:

Choices:
A. wood
B. coal
C. oil
D. solar

coal is used to produce electricity by burning in coal-fire power stations

Answer: B


Choices:
A. Fish
B. Word of mouth
C. Knowledge
D. Boat

seed dispersal has a positive impact on a plant

Answer: A


What should my thermometer read if I want to make sure my home-made popsicles are done?

Choices:
A. 212 degrees F.
B. 0 degrees C.
C. 39 degrees F.
D. 32 degrees C.

freezing point means temperature at which a liquid freezes

Answer: B


Using wind in order to power factories is a good idea because

Choices:
A. it can be gotten continuously
B. it is free from dirt
C. it is electric and powerful
D. is uses very little gasoline

alternative fuel is usually a renewable resource

Answer: A


A storm rages for two weeks, and the rivers and lakes swell past their holding capacity, so

Choices:
A. the area becomes damp
B. the surrounding land is underwater
C. the wind blows over trees
D. everything around burns down

when a body of water receives more water than it can hold , a flood occurs

Answer: B


what process is adulthood categorized under?

Choices:
A. the living term
B. a plant feeding
C. the entertainment circuit
D. a chemical reaction

adulthood is a stage in the life cycle process

Answer: A


If an object undergoes chemical change then that object will have new chemical properties, such as

Choices:
A. a drink with water in it
B. a toilet with bleach in it
C. a soda with lime in it
D. a sink with hair in it

if an object undergoes chemical change then that object will have new chemical properties

Answer: C


polar bears are white due to an inherited

Choices:
A. characteristic
B. coat
C. snow
D. fur length

the color of fur is an inherited characteristic

Answer: A


Seeing the stars will be harder when what happens?

Choices:
A. light in an area becomes greater
B. there is a lot of rain
C. light in an area becomes lessened
D. there is a lot of snow

as light pollution increases , seeing the stars will be harder

Answer: A


A planet rotating causes cycles of day and night on that planet, like on

Choices:
A. Orion
B. the Moon
C. Jupiter
D. Pluto

a planet rotating causes cycles of day and night on that planet

Answer: C


Because a logging company has been working here the area has more

Choices:
A. calcium
B. rust
C. carbon
D. silicon

as the population of plants decreases , carbon in the atmosphere will increase

Answer: C


Choices:
A. gathering lost things
B. disorientating enemies
C. warning others
D. helping sleep

sonar is used to find the location of an object

Answer: A


When a lake is exposed to enough heat over time

Choices:
A. animals leave
B. it ceases existing
C. plants dry up
D. fish grow ill

if a body of water loses all water then that body of water does not exist any more

Answer: B


A pupa creates cocoons in a stage of the life cycle, and eventually the insect will

Choices:
A. adjust
B. shrink
C. burn
D. collect

the cocoons being created occurs during the the pupa stage in a life cycle

Answer: A


What does water taste like after a substance is dissolved in it?

Choices:
A. watery
B. the same
C. similar to object
D. full of life

dissolving a substance in water causes the water to taste like that substance

Answer: C


What causes the pull of gravity on a planet?

Choices:
A. people
B. plants
C. kilograms
D. air

the mass of a planet causes the pull of gravity on that planet

Answer: C


If more pollution is released into the air, what happens to the planet's temperature?

Choices:
A. it falls
B. it becomes stabile
C. it climbs
D. it becomes volatile

as the amount of polluting gasses in the atmoshere increases , the atmospheric temperature will increase

Answer: C


Choices:
A. Putting on sunscreen in a sunny place
B. Growing grass in a field
C. Having a drink of water on a warm day
D. Going for a walk outside

Answer: A


When would a reflector be most effective?

Choices:
A. fall
B. winter
C. summer
D. spring

a reflector is used to reflect light especially on vehicles

Answer: C


a toaster converts electricity into radiant waves for

Choices:
A. browning bagels
B. roasting meats
C. toasting corn
D. burning cheese

a toaster converts electrical energy into heat energy for toasting

Answer: A


Choices:
A. it shines at a gem
B. it shines at a mirror
C. it reflects off a spoon
D. it reflects off a car

Answer: A


Choices:
A. constructs with difficulty
B. makes everything sanitary
C. shines in light
D. cools the air

Answer: A


After the wolf ate all the rabbits he survived on:

Choices:
A. water
B. plants.
C. fat
D. luck

an animal can survive in an environment with little food by storing fat

Answer: C


A bird makes its home in various places, such as

Choices:
A. groves of plants
B. waterways
C. city streets
D. public parks

Answer: A


To identify the percent chance of a trait being passed down we need at least

Choices:
A. one box
B. two boxes
C. three boxes
D. four boxes

a Punnett square is used to identify the percent chance of a trait being passed down from a parent to its offspring

Answer: D


Choices:
A. tug devices for locating directions
B. give false locations to planes
C. be a huge distraction
D. cause ships to crash

if something contains a large amount of magnetic material then that something will attract magnets

Answer: A


The water in the bowl was gone before the water

Choices:
A. on the tray
B. in the mug
C. on the plate
D. on the table

as the surface area of a body of water increases , evaporation of that body of water will increase

Answer: B


A side effect of having a Husky as a pet is that when she sheds

Choices:
A. the dog enjoys being washed out
B. washing all the fur is easy
C. it takes hours to vacuum all of the fur
D. the fur is still attached to the skin

Answer: C


Choices:
A. Water sitting in front of me
B. My pants against my skin
C. Plants in the sun
D. The TV turned on

feeling is when an living thing senses through touch

Answer: B


Some fields house incredible creatures such as

Choices:
A. large rabbits
B. lions
C. wolves
D. mackerel

Answer: A


Which of these items must be combined with a river to produce power?

Choices:
A. chocolat
B. ice
C. snow
D. concrete

Answer: D


You can let someone know you are at the door thanks to a

Choices:
A. lemonade
B. cars
C. grass.
D. power plant

a doorbell converts electrical energy into sound

Answer: D


Choices:
A. a ram will leap
B. a mouse will hide
C. a cheetah will fight
D. a giraffe will dash

some animals move quickly to escape predators

Answer: D


The ability that an oven has to turn ingredients into a moist cake come from its

Choices:
A. higher temps
B. arid environment
C. dark heat
D. spaciousness

Answer: A


Why would happen if the screw was loose on a bicycle's tire?

Choices:
A. it would need to be repaired
B. you could tape it
C. it might fall off
D. it might get flat

Answer: C


Why was my son-in-law required to add rugs or carpeting to his upstairs apartment when the ground floor wasn't?

Choices:
A. So it would look good then prospective renters took a tour
B. Because they didn't want him to scratch up the wood floors.
C. Because they didn't want the downstairs renters to be as likely to complain about noise
D. Because they didn't want to pay for carpeting themselves.

Answer: C


Choices:
A. a level of our planet
B. the planet closest to ours
C. a kind of rock found on Earth
D. the deepest part of our planet

Answer: A


Choices:
A. H2O traveling about a daffodil's system
B. pollen traveling about the plant's system
C. the production of new oxygen molecules
D. the production of new seedlings

transpiration usually happens in the leaves of a plant

Answer: A


A microscope can be placed against the sun and

Choices:
A. burn an ant in the light's path
B. Provide shade on a hot day
C. Take a close up picture of the ground
D. Show how many wrinkles I have on my skin

Answer: A


one inherited characteristic of fur is it's

Choices:
A. value
B. hue
C. weight
D. length

the coloration of fur is an inherited characteristic

Answer: B


Choices:
A. Eating tacos
B. wearing sunblock
C. Reading a book
D. Drinking water

adaptation is when an organism develops a trait over time for survival

Answer: B


If a snail is heated to the point of being burned, the snail will

Choices:
A. be discomforted
B. be energized
C. be hungry
D. be sad

burning a living thing usually causes harm to that living thing

Answer: A


Choices:
A. bog animals may be thirsty
B. bog animals may search longer for nutrients
C. the bog produces more water
D. bog predators need more prey

as available water in an environment decreases , the amount of available food in that environment will decrease

Answer: B


What contributes more, though less than some believe, to the lung damage caused by smoking?

Choices:
A. smoking less
B. switching to chewing
C. no filters
D. switching to e-cigs

smoking causes direct damage to the lungs

Answer: C


The below surface pebbles of the Snake River are of non rough edges because of?

Choices:
A. smoothness
B. fish movement
C. river movement
D. rough rocks

contact between rocks over long periods of time causes rocks to smooth

Answer: C


There are producers that exist in the food chain, and they basically

Choices:
A. are mainly creatures like deer
B. require photosynthesis to survive
C. produce a thing called chlorophyll
D. make good money at work

producer is a kind of role in the food chain process

Answer: B


Choices:
A. reusing cloth baby diapers
B. recycling plastic water bottles
C. using all natural household cleaners
D. prescription medicine being put down sink drains

Answer: D


I have to plug in a processor of food because it

Choices:
A. Is used for grinding metal
B. is an oil machine
C. is an electric Motor
D. is a battery operated machine

an electric car contains an electric motor

Answer: C


The size of eyes matter relevant to sight and sight ability, given that

Choices:
A. elephants see better than ants
B. wolves see better than giraffe
C. people see better than dogs
D. dogs see better than cats

as the size of the eyes of an animal increases , the ability of that animal to see will usually increase

Answer: A


The reason that ducks are such excellent swimmers is because

Choices:
A. ducks have a space between their toes
B. ducks are buoyant and resilient
C. ducks have wide feet
D. ducks have extra foot skin

webbed feet are used for moving faster through water by aquatic animals

Answer: D


Some minerals originated from a material that was

Choices:
A. hard
B. clear
C. light
D. far away

Answer: D


Choices:
A. soak fields
B. create dams
C. feed fish
D. ruin crops

Answer: D


Choices:
A. dogs are to cats
B. cows are to cud
C. bees are to pollen
D. silos are to grains

a stem is used to store water by some plants

Answer: D


when an animal's eyes grow, what happens

Choices:
A. they see more
B. they close them
C. they get dry
D. they pop out

Answer: A


Environments which are covered in snow are often white as a result of said snow and what other factor?

Choices:
A. conditions which allow little if any heat to be produced or stored
B. temperatures that are colder than a tropical environment
C. cool air that flows in a circular pattern
D. wind chill that meets warm fronts on occasion

cold environments are usually white in color from being covered in snow

Answer: A


Choices:
A. both lower limbs of the body
B. organs that develop during childhood
C. nasal bones projecting above the mouth
D. inner canals of the ear

Answer: B


For a hungry hawk chasing a mouse, if the mouse darts away, the hawk must

Choices:
A. adjust speed
B. run after it
C. find other prey
D. take a break

if an organism 's prey moves quickly then that organism may need to move quickly to catch its prey

Answer: A


Mothers have many roles, one of which is

Choices:
A. gestating and birthing
B. making good dinner
C. creating fun activities
D. watching the babies

Answer: A


Small, usually red plastic squares are often placed on transporters such as bicycles in order to

Choices:
A. create light
B. show color
C. identify drivers
D. shine light

a reflector is used to reflect light especially on vehicles

Answer: D


If a lizard is unable to obtain sufficient nutrients in a period of time, the resulting effect may be

Choices:
A. ceased existence
B. moving slowly
C. feeling cold
D. finding food

an animal needs to eat food for nutrients

Answer: A


A bunny wants to eat strawberries, but it is unable to find any. However, the bunny finds a patch of small white buds. If the rabbit waits a while

Choices:
A. there will be extra bees
B. there will be green flowers
C. there will be eight rabbits
D. there will be berries there

Answer: D


We can calculate a speed if we know a number of

Choices:
A. gallons
B. millimeters
C. dollars
D. pounds

calculating speed requires knowing distance travelled

Answer: B


When any two object strike with each other, the molecules of the outer of the two objects coming in contact could

Choices:
A. rot
B. quake
C. smoke
D. freeze

tapping two objects together causes the particles in those objects to vibrate

Answer: B


Choices:
A. leads to extremely dry conditions
B. can lead to slippery grass
C. causes plants to wilt and die
D. causes black ice on bridges

dew is formed when water vapor condenses over night

Answer: B


In a warm room, it is likely that the source of heat is

Choices:
A. a series of metal pipes along a wall
B. a small ceiling fan
C. a stove which is turned off
D. a pile of boxes

Answer: A


Wax is on some plant leaves for what purpose?

Choices:
A. stay moist for warm weather
B. keep water available for predators
C. creation of toxins in the cells
D. keep the ongoing hydration

waxy leaves are used for storing water by some plants

Answer: D


Lightness may be seen reflected more clearly and brighter off of lighter colored objects, so an example would be

Choices:
A. a mirror is unable to be dark
B. phone screens are barely reflective
C. a lilac door is easily seen
D. a black door is easily seen

as lightness in color of an object increases , the ability of that object to reflect light will increase

Answer: C


What can show how a rainbow is formed by refraction of light by splitting light into all different colors?

Choices:
A. watching sunlight bounce off a mirror
B. shining a flashlight on a gem
C. shining a flashlight at a mirror
D. looking at a freshly formed diamond

a rainbow is formed by refraction of light by splitting light into all different colors

Answer: B


Which of these animal traits is generally determined by environmental factors rather than heredity?

Choices:
A. eye color
B. height
C. hair length
D. number of chromosomes

the length of the hair of an animal is an acquired characteristic

Answer: C


Choices:
A. a sugar rich liquid plants produce
B. the scent of flower stamens
C. a oxygen rich liquid plants produce
D. the magnetic field flowers give off

nectar is used for attracting pollinators by plants

Answer: A


Choices:
A. it is taking in air
B. it tries to breathe
C. it is using water
D. it needs to reproduce

Answer: A


Choices:
A. change in appearance
B. nothing
C. population increase
D. population decrease

harming an animal species causes that animal 's population to decrease

Answer: D


Choices:
A. lack enough fluid to grow
B. cart essential substances around
C. are unessential for health
D. keep the body healthy

veins transport nutrients throughout the body

Answer: B


A source of something supplies that something, like how

Choices:
A. clouds are a cloud source
B. ponds are a moisture source
C. air is a air source
D. fish are a fish source

a source of something supplies that something

Answer: B


If you breathe out, especially in the vicinity of clear glass, you may witness

Choices:
A. your breath is air
B. your breath is dry
C. your breath beading up
D. your breath smells bad

Answer: C


The bear in the wild needs to find other animals to feast.

Choices:
A. they never kill
B. they only eat
C. they are docile
D. they are killers

Answer: D


Choices:
A. Popcorn
B. Grass
C. Apple
D. A bison

Answer: D


Why is it dangerous for an animal to be kept boxed up in an area without air circulation?

Choices:
A. it will be confused
B. it might get too viscious
C. it will be scared
D. it might get overheated

if an organism becomes too hot then that organism may die

Answer: D


Animals may relocate to a new environment if their old environment

Choices:
A. experienced a large hurricane
B. experienced a serious thunderstorm
C. had a few arid days
D. had little rainfall for a week

natural disasters can cause animals to leave an environment

Answer: A


many vehicles emitting pollution into the air may occur when

Choices:
A. horses pull carriage over snow
B. child is propelling scooter
C. trolley collects current from overhead wire
D. EMT transports panting patient

many vehicles emit pollution into the air

Answer: D


What material is an example of an electrical insulator?

Choices:
A. Metal
B. Cement
C. Stone
D. Brick

Answer: D


Choices:
A. woke up
B. went to work
C. took a break
D. went home

the sun is located directly overhead at noon

Answer: C


Choices:
A. cold
B. burns
C. electricity
D. fire

Answer: C


A pollutions standard is something which

Choices:
A. will hopefully limit the amount of damage done to the environment by large producers
B. a standard that gets applied to every person
C. a way to get factories to make more product
D. the best way to reduce poisoning the trees in Michigan

a pollutions standard is a kind of standard for reducing pollutants emitted by factories

Answer: A


Electricity causes less damage to the Earth's atmosphere than

Choices:
A. Gasoline
B. Potatoes
C. The sun
D. Water

electricity causes less pollution than gasoline

Answer: A


If a river is rushing southwest on a sunny day, then it is safe to assume that

Choices:
A. southwest is a good place to be
B. the land gently inclines in that direction
C. the world is mostly land
D. the land is supple

the slope of the land causes a river to flow in a particular direction

Answer: B


Using a metal kitchen tool on a cheese can create

Choices:
A. milk
B. blue cheese
C. melted cheese
D. small pieces

scraping an object may cause small particles to break off of that object

Answer: D


Someone in a room without any lights on, but that has mirrors in it, can still have light in that room if

Choices:
A. lights are turned on in another house
B. a joined room is dark
C. the room is completely dark
D. a joined room is lit

Answer: D


The increase in transport ability may increase the available types of

Choices:
A. houses
B. education
C. internet
D. grains

as ability to transport food increases around the world , the available types of food in distant locations will increase

Answer: D


Choices:
A. banana
B. cherry
C. olive
D. strawberry

Answer: B


Choices:
A. eat
B. battle
C. starve
D. fly

if two animals have the same food source then those two animals compete for food

Answer: B


Choices:
A. Moods
B. Environment
C. Behavior
D. Consumption

Answer: B


There are fuels that we are soon to run out of, and there are options that are like the sun, in that

Choices:
A. they are endlessly available
B. inexpensive to store at home
C. free for everyone's use
D. available to the public

Answer: A


Choices:
A. better the view
B. stronger the gravity
C. moon orbits you
D. gravitational force weakens

as distance from an object decreases , the the pull of gravity on that object increases

Answer: B


Choices:
A. A mega Museum
B. A solid
C. Jello
D. Candy

oceans cover 70% of the surface of the earth

Answer: A


A beak is used for catching prey by some birds, like how they are used by

Choices:
A. chickadees
B. glass flamingos
C. chicks
D. plastic parrots

a beak is used for catching prey by some birds

Answer: A


Choices:
A. dragonflies reproduce more often
B. pollinators visit them sparingly
C. they are planted in premium fertilizer
D. more bees make a pit stop at them

as the number of pollinators attracted to a flower increases , the ability of that flower to reproduce will increase

Answer: D


Which celestial object is the shortest distance from earth?

Choices:
A. Mars
B. Moon
C. Milky Way
D. Venus

the moon is the celestial object that is closest to the Earth

Answer: B


Which would be a logical hypothesis after viewing a white substance on the floor, with a yellow carton on the counter?

Choices:
A. milk was spilled
B. white juice spilled
C. bleach was spilled
D. was an illusion

hypothesis means scientific guess about the cause and effect of an event

Answer: A


With the apple tree chopped down, there was now no place for

Choices:
A. apples
B. apple pies
C. falling leaves
D. bird's nests

cutting down trees has a negative impact on an organisms living in an ecosystem

Answer: D


Choices:
A. parking far away
B. travelling by air
C. reading technical books
D. having multiple children

exercise has a positive impact on a body 's strength

Answer: A


Recycling old cars has a positive impact on

Choices:
A. the weather
B. conservation of metal
C. human life span.
D. the economy

recycling nonrenewable resources has a positive impact on the conservation of those resources

Answer: B


Organisms require energy in order to do what?

Choices:
A. rest soundly
B. absorb light
C. take in nutrients
D. mature and develop

Answer: D


Where would the amount of water decrease most?

Choices:
A. under clear skies
B. in the clouds
C. during a storm
D. indoors

evaporation causes amount of water to decrease

Answer: A


If your pet bird is having trouble flying

Choices:
A. lock them in their cage more
B. give up and get a new bird
C. try putting them on a diet
D. take away all their perches

as the weight of an animal decreases , that animal will fly more easily

Answer: C


Choices:
A. weather patterns
B. earth's movement pattern
C. weather changes
D. weather cycles

the Earth being tilted on its axis causes seasons

Answer: B


If a fox shuffles off the mortal coil, then that fox

Choices:
A. is a burden
B. ceases to exist
C. is missing
D. is pregnant

if a living thing dies then that living thing is dead

Answer: B


A beaver is building a home in a river, and that eventually blocks up the river, giving the beaver a nice home. A side effect of the beaver's new home is

Choices:
A. a pool
B. freshwater body
C. a mountain
D. an ocean

damming a river can cause a lake to form

Answer: B


Choices:
A. a burning flame
B. a gusting breeze
C. a running sheep
D. a small explosion

Answer: B


What shows that animals learn behaviors by watching their parents?

Choices:
A. kittens groom their faces because their mother licked their faces
B. dogs bark because their parents barked at them
C. babies cry because overtired parents cry
D. kittens climb trees because they watch squirrels do it

animals learn some behaviors from watching their parents

Answer: A


ultraviolet light is found in light from where

Choices:
A. the flaming ball of gas we orbit
B. giant planets in the neighborhood
C. light sources that we create
D. balls of fire lit with gas

Answer: A


As a result of decreased water, what will happen to tree rings?

Choices:
A. Lose shape
B. Become narrow
C. Become wider
D. Disappear Completely

as the amount of available water decreases , tree-growth rings will become narrower

Answer: B


Vegetables provide a lot of nutrients for

Choices:
A. cats
B. dogs
C. humans
D. snakes

an animal needs to eat food for nutrients

Answer: C


Choices:
A. below it
B. far from it
C. beside it
D. above it

plants absorb nutrients from soil into themselves through their roots

Answer: A


Choices:
A. the wire may be hot to the touch
B. the wire may be cool to the touch
C. the wire is automatically grounded
D. the wire is automatically water safe

electrical current running through a wire causes that wire to heat up

Answer: A


If a wolf is unable to catch prey reliably, the wolf will

Choices:
A. show ribs
B. hunt more
C. have pups
D. take naps

as the amount of food an animal eats decreases , that organism will become thinner

Answer: A


what does a barometer do to air pressure

Choices:
A. state its tightness
B. store it
C. disperse it
D. condense it further

a barometer is used to measure air pressure

Answer: A


What is an example of reproduction occurring in adulthood?

Choices:
A. humans are unable to reproduce until they are legal adults
B. eggs are unable to be fertilized before they are dropped
C. dogs are unable to have puppies until they are two years old
D. cats are unable to produce offspring until they are sexually mature

Answer: D


Because of human logging activities, some animals have to conserve their

Choices:
A. air
B. water
C. legs
D. food

when available resources decrease in an environment , organisms have to conserve those resources

Answer: D


Choices:
A. Air
B. Sunlight
C. Water
D. Plants

Answer: C


As I search among classifications, its groupings of materials, and properties, I may be looking for

Choices:
A. hydrogen peroxide
B. aspirin
C. vitamins
D. petroleum jelly.

classifying means grouping materials by their properties

Answer: C


if a person remotely controls a machine to do something, which of these is required?

Choices:
A. a thing for information
B. these are all incorrect
C. a meal to eat
D. a floral plant life

Answer: B


Choices:
A. climbing, cracking nuts and peeling fruit skins.
B. courtship and looking for food
C. killing prey, preening and feeding young
D. staying weatherproof, flexible and free of bacteria

thick feathers can be used for keeping warm

Answer: D


Disposition is the process of forming what?

Choices:
A. Crystals
B. Rocks
C. Salactites
D. Gemstones

Answer: C


A balloon is filled with Helium, and then is opened and pressed up to someone's mouth to make a voice high, why does it do this?

Choices:
A. gas fills the new area
B. gas easily is dispersed
C. gas moves around freely
D. gas is lighter than air

when a gas in an open container evaporates, that gas spreads out into the air

Answer: A


Choices:
A. penguins laying eggs on ice
B. fish hiding in coral reefs
C. gulls dive bombing fish from the sea
D. ducks chasing prey underwater

webbed feet are used for moving faster through water by aquatic animals

Answer: D


Choices:
A. higher than the body temps
B. lower than a refrigerator
C. higher than the sun's
D. lower than a freezer's

melting point means temperature at which a solid melts

Answer: A


What shows that the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side?

Choices:
A. summer in the USA, winter in Australia
B. snow will be on the North Pole instead of the South Pole
C. seasonal changes take place
D. some countries are warmer than others

the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side

Answer: A


If a creature wishes to hunt, which senses would be avoided?

Choices:
A. sight
B. smell
C. crawling
D. hearing

smell is used for finding food by some animals

Answer: C


Frogs bury themselves in mud in order to

Choices:
A. retain energy
B. bear young
C. find food
D. take a nap

An example of hibernation is a frog burying itself in mud

Answer: A


Choices:
A. circle balls of hydrogen
B. travel through deep space
C. crash into each other
D. slingshot around the galaxy

Answer: A


Riding a two wheeled human powered vehicle is good for the environment because

Choices:
A. it runs without fuel
B. it helps people stay in shape
C. they are cheaper to maintain
D. they are more fun to drive

Answer: A


Choices:
A. that animal has matured
B. that animal was impregnated
C. that animal was in heat
D. that animal was interested

Answer: A


A kid having a preference is something like

Choices:
A. he gets bored easily
B. he likes having dinner
C. he hates eating peas
D. he likes blonde girls

preferences are generally learned characteristics

Answer: D


Choices:
A. they eat a lot of rot
B. worms eat dead bodies
C. they enjoy eating carcasses and expel waste back to earth
D. worms enjoy eating dirt and decay

decomposition is when a decomposer recycles nutrients from dead organisms to the soil by eating those dead organisms

Answer: C


Choices:
A. strengthen an organism
B. test an organism
C. eliminate an organism
D. eat an organism

illness has a negative impact on an organism 's health

Answer: C


a compass uses iron to locate the northern

Choices:
A. latitude
B. axis
C. shoreline
D. hemisphere

the floating arrow on a compass always points towards the north

Answer: B


When geese migrate in the late summer or early autumn, they

Choices:
A. head to less snowy areas
B. prefer to visit florida
C. take a scenic route
D. travel in small groups

migration is when animals move themselves from a cooler climate to a warmer climate for the winter

Answer: A


What is the result of an object reflecting light toward the eye?

Choices:
A. Being blurred
B. Being Seen
C. Blindness
D. Glare

if an object reflects light toward the eye then that object can be seen

Answer: B


Two animals with similar diets living in the same environments leads to them

Choices:
A. vying for the same prey
B. forming a strong friendship
C. moving to disparate environments
D. adopting different types of diets

if two animals eat the same prey then those animals compete for that pey

Answer: A


Choices:
A. temperatures
B. biological environments
C. water levels
D. atmospheric pressures

Answer: B


A car engine is a source of heat and therefore needs

Choices:
A. radiator fluid
B. water added
C. wiper fluid
D. gasoline

Answer: A


A ruler is used for measuring the length of what?

Choices:
A. distance between cities
B. air
C. stuff
D. motivation

a ruler is used for measuring the length of an object

Answer: C


Extinction is the term for an organism which..?

Choices:
A. Small Population
B. Zero Population
C. Limited population
D. Decreasing Population

if a population decreases to zero then that organism is extinct

Answer: B


A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards

Choices:
A. a plastic cup
B. a plaster wall
C. a grey stone
D. a paper plate

Answer: C


Which is most likely to cause an animal to shiver?

Choices:
A. 5 degrees celsius
B. 42 degrees Fahrenheit
C. 6 degrees Celsius
D. 8 degrees Celsius

cold temperatures cause animals to shiver

Answer: A


While many habitats support a great variety of life, and deserts are included, many animals

Choices:
A. freeze in deserts
B. starve in deserts
C. are abandoned there
D. drown in deserts

a desert environment contains very little food

Answer: B


Choices:
A. will make your face appear bigger
B. will make your face appear in macro
C. will make your wrinkles less obvious
D. will make it easier to see your pores

if an object is close then that object will appear large

Answer: C


Special tissues in plants transport minerals throughout the plant such as

Choices:
A. water
B. starch
C. spices
D. sugar

special tissues in plants transport minerals throughout the plant

Answer: D


Choices:
A. den
B. field
C. tree
D. mother.

animals live and feed near their habitats

Answer: A


something could get wedged during winter if which of these happens?

Choices:
A. trapped water changes physical form repeatedly
B. water flows down a stream
C. water drank by a person
D. none of these

cycles of freezing and thawing water cause ice wedging

Answer: A


What is an example of the sun being directly overhead at noon?

Choices:
A. shadows disappear at noon
B. the shadows on trees are longest at noon
C. sundials can tell time easiest using shadows
D. the sun is hottest at noon

the sun is located directly overhead at noon

Answer: A


What does gravity cause substances on a planet?

Choices:
A. things to move sideways
B. things to be moved upwards
C. things to descend to the lowest surface possible
D. things to stay in the same place

gravity causes substances to be pulled down on a planet

Answer: C


The running of the bulls in mexico is a source of what type of energy for the object?

Choices:
A. running of bulls
B. solar power
C. animals
D. kinetic

motion is a source of kinetic energy in an object

Answer: D


Choices:
A. none of these
B. positive charge in electricity
C. a bad electric conduction
D. ability to see yourself in it better

as lightness in color of an object increases , the ability of that object to reflect light will increase

Answer: D


When looking at an eclipse, an important thing to remember is

Choices:
A. to take a photograph
B. to look through a window
C. to use hands to shield eyes
D. avert eyes at all costs

looking directly at an eclipse of the Sun causes harm to the eyes

Answer: D


A small volcano under the sea erupts ever four years. After a few centuries, there will be

Choices:
A. new ground to inhabit
B. a large fish eating a tree
C. a burst of fire from the future
D. a small crack in a tall mountain

an island is formed by lava cooling on the ocean floor over time

Answer: A


Putting a cardboard box in a bin instead of the trash can

Choices:
A. conserve energy for later
B. save wild animal species
C. keep it from the trash
D. reduce the height of landfills

recycling resources has a positive impact on the environment

Answer: D


Choices:
A. a silky thread
B. trickery
C. seduction
D. a flyswatter

a spider web is used to capture food by spiders

Answer: A


Choices:
A. natural gas formations
B. oil well
C. plastic bag
D. Pacific Ocean

Answer: D


Which of these would let the most heat travel through?

Choices:
A. a cotton candy at the store
B. the new pair of jeans
C. the steel spoon in the cafeteria
D. a calvin klein cotton hat

Answer: C


The material that makes up iron nails is known as what on the table of elements?

Choices:
A. Nail.
B. Fe
C. Copper
D. Au

Answer: B


Choices:
A. a smooth sandy beach
B. a smooth river stone
C. a tall pine tree
D. a large sharp boulder

weathering means breaking down surface materials from larger whole into smaller pieces by weather

Answer: B


Some people put metal tags on their dog's collars, because in darkness, these collars can

Choices:
A. melt wax
B. reflect light
C. read books
D. stain clothes

Answer: B


What can explain that a body of water is a source of water?

Choices:
A. a bird sitting in a bird bath
B. a child splashing in a tub
C. a person drinking from a glass of water
D. a deer drinking from a lake

Answer: D


Inanimate things may be pollinators such as

Choices:
A. bees
B. birds
C. wind
D. deer

pollination is when wind carry pollen from one flower to another flower

Answer: C


A person's shadow is smallest at what time?

Choices:
A. 4:00 pm
B. 8:00 am
C. 12:30 pm
D. 6:30 pm

as a source of light moves directly overhead of an object , the size of the shadow of that object will decrease

Answer: C


The source of a type of energy we use is a

Choices:
A. planet
B. star
C. meteor
D. rock

the sun is the source of solar energy called sunlight

Answer: B


if a great water traveler took inventory of their tools, which of these would be in it?

Choices:
A. a big cooking spoon
B. a north facing item
C. a big chopping board
D. a big iron bender

Answer: B


Choices:
A. human.
B. whole pumpkin
C. soda can
D. leaf

Answer: B


To have a positive impact on the environment

Choices:
A. leave lights on
B. take shorter showers
C. use Styrofoam plates
D. take longer showers

conserving resources has a positive impact on the environment

Answer: B


If one mineral can scratch another mineral then that other mineral is softer than that one mineral, as can be tested with

Choices:
A. a diamond and steel
B. a rock and glass
C. a diamond and agate
D. a ruby and salt

if one mineral can scratch another mineral then that other mineral is softer than that one mineral

Answer: C


John, who lives in Minnesota, noticed that the time between sunrise and sunset was the shortest it had been for an entire year. The month was most likely to be

Choices:
A. July
B. January
C. September
D. April

the amount of daylight is least in the winter

Answer: B


if a person gets some fruit wine for a gift, how can they measure its volume?

Choices:
A. they can use a cylinder with unit markings
B. none of these
C. they can use a tape measure
D. they can use a thermometer

a graduated cylinder is a kind of instrument for measuring volume of liquids or objects

Answer: A


Choices:
A. raises the Fahrenheit of an object
B. lowers the Celsius of an object
C. causes the object to cool
D. causes the temperature of the object to descend

if a substance absorbs solar energy then that substance will increase in temperature

Answer: A


What did some ancient societies use to reflect light?

Choices:
A. wood
B. plants
C. clothing
D. rocks

Answer: D


Choices:
A. toss plastic bottles in trash receptacles
B. use plastic knives and forks for every meal
C. scrap metal from old buildings is processed to be used for new construction
D. buy a less fuel efficient car

recycling nonrenewable resources has a positive impact on the conservation of those resources

Answer: C


Choices:
A. ten fingers
B. vision
C. heart beating
D. talking

Answer: D


A switch is used to stop the flow of currents which causes Joule heating in

Choices:
A. thermostat
B. solar energy
C. magnetic fields
D. electrical circuit.

a switch is used to stop the flow of current in an electrical circuit

Answer: D


Choices:
A. wolves
B. bugs
C. dogs
D. cats

Answer: B


air masses are pushed by westerlies but stopped by

Choices:
A. gravity
B. meandering air currents
C. currents
D. sunlight

jet streams may deflect the air masses moved by the prevailing westerlies

Answer: B


Choices:
A. oil
B. sunlight
C. fats
D. tea

An example of conservation is not using fossil fuel

Answer: A


After a long winter's hibernation, a female bear and her two cubs exit their cave and begin to search for food. One place they check is

Choices:
A. dry sticks
B. dirt pile
C. berry bushes
D. dead leaves

Answer: C


Choices:
A. a refrigerator that is running
B. a battery removed from a toy
C. a clock that is wound-up
D. a fuse that has blown

a complete electrical circuit is a source of electrical energy

Answer: A


Pressing your appendages against an object can allow one to

Choices:
A. sense differences in atomic structure
B. sense differences in color
C. sense differences in atomic value
D. sense differences in material makeup

Answer: D


if a student needs to travel with their lunch for long distances, which of these would have the freshest meal?

Choices:
A. a student with freshly cooked food
B. a student with food containing preservatives
C. raw uncooked fish meal
D. a student with uncooked beef

as ability to preserve food increases , the ability to transport food increases

Answer: B


Choices:
A. I leave a log poker in the fire
B. I sit down on a bed
C. I wave a flag in the air
D. I have a party

when a cooler object touches a warmer object , thermal conduction occurs

Answer: A


Plants brought to the western United States from the eastern United States often die because of

Choices:
A. bad planting methods
B. small spaces
C. the wrong climate
D. people kill them

a plant requires a specific climate to grow and survive

Answer: C


A tiny spark grows and the result tears through an area of nature and spreads through the mountains, consuming

Choices:
A. bark and canopies
B. a crystal lake
C. a snowy mountaintop
D. a small bird

Answer: A


Near which location would an anteater most likely live?

Choices:
A. swamp
B. anthill
C. river
D. bee hive

most predators live near the same environment as their prey

Answer: B


Choices:
A. They have horns
B. They speak English
C. They can fly
D. webbed feet

webbed feet are used for moving faster through water by aquatic animals

Answer: D


Choices:
A. various places experience different weather patterns
B. weather is consistent world-wide
C. weather is always different
D. we all have snow

Earth orbiting the Sun causes seasons to change

Answer: A


When a person gets hurt physically, the person feels pain because there are

Choices:
A. magic receptors
B. electric reactions
C. making nervous
D. loud nerves

Answer: B


Choices:
A. worm
B. mate
C. stream
D. bush

shelter can protect animals from weather

Answer: D


Choices:
A. they are cold
B. road need it
C. they are lumpy
D. ice ruins them

cycles of freezing and thawing water cause ice wedging

Answer: D


Choices:
A. low
B. small
C. white
D. gray

Answer: D


Choices:
A. has asteroid impact marks
B. is smooth all over
C. is filled with lakes
D. has a stronger gravitational pull than Earth

Answer: A


I use a knife to chip away at what to make a sculpture

Choices:
A. A slab of rock
B. A bucket of sand
C. A glass of water
D. A bag of air

scraping an object may cause small particles to break off of that object

Answer: A


An animal living in an environment lacking in food resources

Choices:
A. will be in poor shape
B. will be thriving and lively
C. will be switching to a new diet
D. will hibernate until more food comes along

an animal requires enough nutrients to maintain good health

Answer: A


If plants are going to grow, their seeds need to

Choices:
A. travel elsewhere
B. be eaten
C. pass a test
D. be washed

plant requires seed dispersal for reproduction

Answer: A


Choices:
A. a person who mines for coal
B. a rare type of stone
C. a place where coal is processed
D. a mine that is beneath the earth where coal is found

coal mine is a source of coal under the ground

Answer: D


If I wanted to get more energy after exerting myself too much

Choices:
A. I can consume an apple
B. I can go for a run
C. I can brush my hair
D. I can wash my face

living things all require energy for survival

Answer: A


Choices:
A. fragments from plants
B. small glass shards
C. entire tree trunks
D. several flower buds

Answer: A


A thermal insulator between a stove and a pan would make the pan get hot

Choices:
A. slower
B. immediately
C. same speed
D. faster

a thermal insulator slows the transfer of heat

Answer: A


The reason raccoons are often found in dumpsters is because they are known to consume

Choices:
A. waste
B. caviar
C. cats
D. roses

Answer: A


If you desired to keep your house cooler in the summer months

Choices:
A. plant trees that tower above the ground
B. plant ivy around the trees
C. plant shrubs around the foundation
D. plant trees that stay smaller than dogwoods

large trees block sunlight from reaching the ground

Answer: A


a cloudy day may obstruct visibility of which of these?

Choices:
A. the screen on a smartphone
B. our planet's closest star
C. the teacher in the class
D. the waitress's name tag

cloudy means the presence of clouds in the sky

Answer: B


Billy's new puppy had floppy ears. That might be because

Choices:
A. The puppy's mother had ears that looked the same way
B. The puppy was deaf
C. The puppy was tired
D. The puppy was missing the bones in its ears

the shape of body parts is an inherited characteristic

Answer: A


Materials like ethanol are used to produce electricity by _____.

Choices:
A. hydroelectric power
B. renewable energy
C. burning
D. carbon fixation

biofuel is used to produce electricity by burning

Answer: C


Hardness of minerals may be measured in certain ways, such as what?

Choices:
A. heating the minerals to high temperatures
B. applying pressure using a sharp, tough object in order to leave marks
C. hitting the minerals with a tougher stone
D. taking bits of metal and comparing the texture to the minerals

measuring the hardness of minerals requires scratching those materials

Answer: B


Water vapor condensing in clouds may cause

Choices:
A. people to use umbrellas
B. dogs to take a nap
C. rockets to fly to the moon
D. the earth to spin

water vapor condensing in clouds causes rain

Answer: A


At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why?

Choices:
A. ocean tides
B. animals
C. planet rotation
D. rotation of sun

a planet rotating causes cycles of day and night on that planet

Answer: C


An eagle will use their claws to catch which of the following?

Choices:
A. nuts and berries
B. mouse
C. lion
D. elephant

claws are used to catch prey by some predators

Answer: B


A man is burned in an accident on the road, which means that at one point he was

Choices:
A. exposed to extreme heat
B. frozen in an ice storm
C. crashed into a helicopter
D. melted by molten lava

if a body part was burned then that body part was exposed to a lot of heat energy

Answer: A


Choices:
A. higher temps to be applied
B. a stove to be used
C. an oven to be used
D. a fire to be built

if food is cooked then heat energy is added to that food

Answer: A


Why would some birds have beaks that look a lot different than those of other birds?

Choices:
A. some of the birds eat worms and the other birds have blue feathers
B. some of the birds of the same species have lived in a zoo all their lives
C. some of the birds take seeds for nourishment and the others look for dead animals for nourishment
D. some of the birds like to file down their beaks

birds with beaks of different shapes eat different foods

Answer: C


Choices:
A. basins
B. mountains
C. deep sea
D. valleys

Answer: B


Choices:
A. cut down trees and shrubs
B. drive a gas guzzling car
C. use Styrofoam plates and cups
D. cultivate dogwoods and oaks

planting trees has a positive impact on an ecosystem

Answer: D


Choices:
A. rope
B. Tungsten
C. hemp
D. plastic

Answer: B


as rainfall increases in an area, electricity will be less and less available for

Choices:
A. solar panels
B. energy
C. coal power plants
D. wind turbines

as the amount of rain increases in an environment , available sunlight will decrease in that environment

Answer: A


Choices:
A. picnics in the park
B. moisture in rain gauges
C. dry fields and roads
D. sunny and bright days

if weather is stormy then there is a greater chance of rain

Answer: B


Venus fly traps are poor at creating their own food though photosynthesis because

Choices:
A. they are unhealthy
B. they need water
C. they require insects
D. they grow slowly

if an organism makes food for itself then that organism does not need to eat other organisms

Answer: C


Choices:
A. eat chicken
B. chew gum
C. eat raw sugar
D. drink soda

protein is used to repair cells by the human body

Answer: A


Choices:
A. firewood
B. light bulb
C. wet dog
D. a book

Answer: C


A nail can attach to metals after it receives

Choices:
A. water
B. electricity
C. light
D. heat

if battery in an electromagnet is active then the nail in the electromagnet will become magnetic

Answer: B


As leaves turn from green to gold, another change is

Choices:
A. darkness comes earlier
B. the sun shines
C. more rain storms
D. warmer weather

when the seasons change from the summer to the fall , the amount of daylight will decrease

Answer: A


Choices:
A. hermit crab
B. human
C. blue whale
D. bluebird

gills are used for breathing water by aquatic animals

Answer: A


Choices:
A. the sands of Mars moving
B. the moon appearing larger in the night sky
C. a volcano erupting in Hawaii burning through a forest
D. a skyscraper being built

An example of a change in the Earth is an ocean becoming a wooded area

Answer: C


Fish move best through water when their fins are?

Choices:
A. Large [Collect]
B. Long
C. Small
D. Short

large fins can be used to move quickly through water

Answer: A


Choices:
A. they are altered with time
B. ecosystems are always the same
C. with time they only grow
D. ecosystems experience very little change

ecological succession means entire communities in an ecosystem change over time

Answer: A


A good example of increased demand may equal increased production is

Choices:
A. soldiers eat beans, so beans are planted when there is war
B. dogs eat kibble, so stores sell it
C. cats eat mice, so mice are afraid of cats
D. people have babies, so baby clothes are made

as the use of a crop increases , the amount of crops planted will increase

Answer: A


At what time would a person feel the most heat outside?

Choices:
A. noon
B. midnight
C. morning
D. evening

the sun is located directly overhead at noon

Answer: A


Feeling sweaty is normal on the ocean because

Choices:
A. the desert is drier
B. the ocean is wet
C. there is more moisture in the air
D. the moisture is higher up

as distance from water decreases , humidity will increase

Answer: C


What is an example of protecting the environment?

Choices:
A. flushing the toilet twice
B. using water flow limiter
C. driving shorter trips more often
D. using fancy, more expensive paper

An example of protecting the environment is reducing the amount of waste

Answer: B


Choices:
A. water
B. carbon dioxide
C. sunlight
D. beach sand

Answer: B


A a switch turns something with batteies on because:

Choices:
A. electrons are then disturbed
B. a piece of metal closes the circuit
C. it lets the acid free
D. the circuit is opened

when a switch in a simple series circuit is closed , electricity will flow through the circuit

Answer: B


Michigan is the land of the great lakes, where

Choices:
A. glaciers tore out lakes
B. there are lots of swimmers
C. glaciers are in lakes
D. lakes are filled with eels

the Great Lakes were formed by glaciers moving over the ground

Answer: A


Choices:
A. Saturn
B. Mars
C. Neptune
D. Uranus

the surface of the Earth contains mountains

Answer: B


Avoiding the use of fossil fuel is an example of

Choices:
A. Liberalism
B. Ecosystem Vulnerability
C. Conservationism
D. Protectionism

An example of conservation is not using fossil fuel

Answer: C


Choices:
A. chance
B. rot
C. luck
D. magic

Answer: B


The deforestation can be the cause of what occurrence?

Choices:
A. death of trees
B. death of oceans
C. saline solutions
D. global warming

if a tree is cut down then that tree will die

Answer: A


Some animals that detect objects by emitting sound live in

Choices:
A. the arctic
B. soil
C. a tide pool
D. rivers

echolocation is when some animals detect objects by hearing echoes by emitting sound

Answer: D


Choices:
A. retailers make more money
B. retailers open new branches
C. retailers lose out on revenue
D. retailers double up on their stock

as the sale of a product decreases , the amount of money made by the person selling that product will decrease

Answer: C


Seed dispersal happened when the plant's seeds were

Choices:
A. sold to a person in another country
B. genetically modified for pesticide resitance
C. destroyed by radiation during processing
D. planted in the same garden

seed dispersal is when the seeds of a plant are spread from the parent plant to another area

Answer: A


when a person pushes a bike pedal it will make the bike

Choices:
A. speed to a halt
B. slow down very slowly
C. has zero effect at all
D. accelerate it forward rapidly

force causes the speed of an object to increase

Answer: D


It changes from winter to spring because of a

Choices:
A. moon
B. cloud
C. star
D. sky

the Earth revolving around the Sun causes the seasons to change on its axis

Answer: C


Melissa is creating a new product to quench people's thirst. She thinks it will be more popular if it is less flat. She decides to

Choices:
A. add more salt to the drink
B. add some dissolved carbon dioxide
C. shake up the drink bottles before shipping them to the stores
D. boil the drink in a large vat

a carbonated beverage contains dissolved carbon dioxide

Answer: B


Choices:
A. more CO2 emissions
B. equal CO2 emissions
C. electric emissions
D. less CO2 emmissions

an electric car uses less gasoline than a regular car

Answer: D


A human who goes long periods of time without nourishment will experience

Choices:
A. Starvation
B. Perspiration
C. Fullness
D. happiness

Answer: A


Why should people conserve gas when fueling their cars?

Choices:
A. because it can only be used once
B. because it is hard to find
C. because the more it is used the more it costs
D. because it can mess up their engines

fossil fuels are a nonrenewable resource

Answer: A


Choices:
A. tides
B. size
C. weather
D. degree of angle

Earth 's tilt on its axis causes seasons to occur

Answer: D


Choices:
A. the push of a cat
B. fossil fuel products refined
C. the motion of atmosphere
D. the warmth of the sun

Answer: A


A chipmunk will consume all of these things with just one that it refuses to:

Choices:
A. jerky
B. grapes
C. nuts
D. acorn

Answer: A


What is an example of the Earth rotating on its axis?

Choices:
A. constellations are only visible in some parts of the world during certain months
B. cloud coverage varies depending on the season
C. it is always cold in Antarctica
D. the equator moves up and down around the Earth

the Earth rotates on its axis on its axis

Answer: A


Choices:
A. ice
B. soil
C. liquid water
D. plants

arctic animals live in an arctic environment

Answer: A


Choices:
A. has less matter than Earth
B. orbits around the sun
C. weighs more than Earth
D. has more mass than Earth

Answer: A


What can cause light to bounce off an object?

Choices:
A. something painted black
B. surface with aluminium
C. water condensation
D. springs and coils

when light hits a reflective object , that light bounces off that object

Answer: B


Which of the following, when plugged into an outlet, completes a circuit?

Choices:
A. gold
B. glass
C. plastic
D. rubber

when an electrical conductor is plugged into an outlet , a circuit is completed

Answer: A


Choices:
A. a radio recording
B. shove from behind
C. a label
D. a loud noise

seeing is used for sensing visual things

Answer: C


in order to better live in its habitat, camels have done one of these

Choices:
A. adapted long ears the size of elephant's
B. adapted a raised portion on their dorsal side
C. adapted long snouts to drink from holes
D. all of these

An example of an adaptation is camel humps

Answer: B


Choices:
A. something to keep it interested
B. a source to propel it forward
C. something to give it hope
D. something to consider doing

living things all require energy for survival

Answer: B


People shiver when they are cold and animals:

Choices:
A. sleep
B. do the same
C. pant
D. pace

cold temperatures cause animals to shiver

Answer: B


In a forest without anyone around, a fire may be started by

Choices:
A. electricty
B. a bird
C. a landslide
D. a flash flood

Answer: A


Choices:
A. ride my bike
B. Bring an umbrella
C. Wear a coat
D. Stay inside

Answer: A


The part of a cell that separates the interior from the outside provides

Choices:
A. nutrients
B. support
C. food
D. energy

the cell membrane provides support for a cell

Answer: B


Choices:
A. plummeted
B. raised
C. stayed the same
D. fluctuated

as the sale of a product decreases , the amount of money made by the person selling that product will decrease

Answer: A


If a substance can absorb solar energy, then what can or will happen to that substance?

Choices:
A. it will see a raising of warmth levels
B. heat levels will decrease exponentially
C. temperatures will be maintained
D. the substance will gradually cool

if a substance absorbs solar energy then that substance will increase in temperature

Answer: A


A footprint in a rock may have been from

Choices:
A. new rock formation
B. a random break
C. an optical illusion
D. very long ago

An example of a fossil is a footprint in a rock

Answer: D


what could it be indicative of, if an animal's fur has grown thicker?

Choices:
A. it could be up to something bad
B. the hemisphere could be facing away from the sun
C. it could be summer
D. it could be dying

An example of a seasonal change is an animal growing thick fur for keeping warm in the winter

Answer: B


Choices:
A. Mars
B. Jupiter
C. Neptune
D. the sun

Answer: A


Pressure is quite high in spaces such as

Choices:
A. the floor of a sea
B. the bottom of a house
C. the bottom of a mountain
D. the bottom of a river

as depth increases , pressure will increase

Answer: A


Choices:
A. intensive properties
B. form
C. temperature
D. appearance

as the temperature of something increases , the intensive properties of that something will not change

Answer: A


What would you measure in a graduated cylinder?

Choices:
A. nitrogen
B. Perfume
C. Oxygen
D. helium

a graduated cylinder is a kind of instrument for measuring volume of liquids or objects

Answer: B


After a wildfire, the surviving creatures need to

Choices:
A. find new homes
B. dig for food
C. reproduce
D. fight for leadership

if a habitat can no longer support animals then those animals will move to another area

Answer: A


An incandescent light bulb requires a filament to

Choices:
A. emit illumination
B. emit radiation
C. convert mechanical energy
D. convert chemical energy

an incandescent light bulb converts electricity into light by sending electricity through a filament

Answer: A


Choices:
A. ice trays
B. solid water
C. warm water
D. buckets of oil

Answer: B


After extensive logging activity, a forest had less

Choices:
A. water
B. soil
C. carbon dioxide
D. biodiversity

cutting down trees in a forest causes the number of trees to decrease in that forest

Answer: D


Choices:
A. farmers grow different crops
B. farmers ask people to stop eating corn
C. farmers stop planting corn
D. farmers must harvest more corn

as the use of a crop increases , the amount of crops planted will increase

Answer: D


Choices:
A. it has capacity to grow
B. it is home grown
C. it will grow into a life form
D. it was hatched from a shell

Answer: A


Choices:
A. keep you cozy on a frigid night
B. conserve valuable planetary resources
C. aid in cooling down the planet
D. keep a car running in the cold

natural gas is a source of heat by burning

Answer: A


Choices:
A. Bahamas
B. Nebraska
C. Florida
D. Mexico

a greenhouse is used to protect plants by keeping them warm

Answer: B


John's pet frog was sick because it wasn't staying warm enough. Maybe

Choices:
A. The frog was getting burned by a heat lamp
B. the frog was unable to regulate its body temperature without an external heat source
C. The frog was using too much ice in its drinks
D. The water in the tank had dried up.

Answer: B


Choices:
A. natural fuel like coal or gas
B. mills that makes energy from the wind
C. buildings that make large quantities of items
D. transportation contraptions with four wheels

Answer: B


Choices:
A. nutrition
B. biology
C. chemical composition
D. formation

tearing an object changes that object 's shape

Answer: D


Choices:
A. Kool-aid
B. urine
C. helium
D. ice sculpture

Matter in the solid phase has definite shape

Answer: D


Choices:
A. requires less force to move
B. requires minimal effort to move
C. requires more muscle power to shift
D. requires a light touch to move

as the mass of an object increases , the force required to push that object will increase

Answer: C


Choices:
A. cutting an apple into slices
B. putting a jigsaw puzzle together
C. mixing cake ingredients together
D. applying coats of paint onto a wall

break down means change from a whole into pieces

Answer: A


which of these indicate non-living tree?

Choices:
A. it stands tall with flowers
B. none of these
C. it is fresh and green with strong roots
D. it lies horizontally on the park grounds

Answer: D


Which of the following could make more people want to wear masks?

Choices:
A. A bicycle race with hundreds of participants
B. the use of electric lawn mowers
C. contaminated hamburger meat from the grocery store
D. a bus that uses a petroleum product for fuel

burning gasoline is a source of pollution

Answer: D


Choices:
A. is made up of tissue and organs
B. is made up of the lungs and heart
C. is made up of white blood cells
D. is made up of calcified material

Answer: D


Choices:
A. water
B. plantlife
C. rocks
D. air

Answer: B


Choices:
A. electrically excitable cells
B. nerve gas
C. biological impulses
D. hair follicles

Answer: A


Humans cry when they are born, horses can walk when they are born, and birds can chirp when born because of

Choices:
A. TV
B. learning from mom
C. instinctive behavior
D. school

an animal knows how to do instinctive behaviors when it is born

Answer: C


When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's

Choices:
A. quality
B. carbon dioxide
C. helium amounts
D. carbin dioyide levels

Answer: A


Which of these items was able to keep things cool thanks to electrical conversion?

Choices:
A. magic carpet
B. snowy road
C. light bulb
D. table fan

electrical devices convert electricity into other forms of energy

Answer: D


How would a location's climate be determined?

Choices:
A. look at the weather many mornings, afternoons, and evenings in different seasons
B. look at the the most extreme weather events
C. look at the weather at noon only
D. look at the weather on one day

climate is the usual kind of weather in a location

Answer: A


How can a woman's compact best help if she is lost on a mountain?

Choices:
A. She will be able to fix her appearance to be more likely to receive help
B. She can use the makeup as camouflage
C. she can use the mirror to signal someone
D. She can break the mirror to use the pieces for a weapon

Answer: C


Choices:
A. deal with gas
B. Talk for hours
C. Thinking
D. Running

living things require respiration to use energy

Answer: A


Many animals entered the city because of

Choices:
A. global warming
B. buildings
C. warm streets
D. logging

if a habitat is destroyed then that habitat can not support animals

Answer: D


What is it termed when a squirrel is inanimate

Choices:
A. death
B. inertia
C. colluded
D. emanated

if a living thing dies then that living thing is dead

Answer: A


Choices:
A. heaps of ice cubes
B. heaps of confused penguins
C. heaps of crystalline solids
D. heaps of coral reef

sometimes piles of rock are formed by melting glaciers depositing rocks

Answer: C


Choices:
A. refrigerator
B. closet
C. freezer
D. sunlight

Answer: D


what can baking soda and vinegar do together?

Choices:
A. they will boil
B. they turn hard
C. a combined reaction
D. they do nothing

baking soda can react chemically with vinegar

Answer: C