prompt
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What is defined as the amount of force acting on a given area?
A. energy
B. resistance
C. power
D. pressure
Answer:
|
D
|
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|
What system consists of glands that secrete hormones into the bloodstream?
A. the endocrine system
B. nervous system
C. Muscular system
D. Respiratory system
Answer:
|
A
|
sciq
|
Where are the oceans most polluted?
A. in warmer waters
B. along coasts
C. along reefs
D. on the ocean floor
Answer:
|
B
|
sciq
|
What organelles are known as the energy "powerhouses" of the cells?
A. atoms
B. carbohydrates
C. mitochondria
D. proteins
Answer:
|
C
|
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|
What is the effect on pressure when the area of applied force is very concentrated?
A. direction increases
B. pressure reduces
C. pressure increases
D. pressure disperses
Answer:
|
C
|
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|
What two elements primarily make up the sun?
A. hydrogen and helium
B. oxygen and hydrogen
C. calcium and helium
D. nitrogen and argon
Answer:
|
A
|
sciq
|
Adipose is a connective tissue made up of cells called what?
A. adipocytes
B. keratinocytes
C. hepatocytes
D. oocytes
Answer:
|
A
|
sciq
|
Where are about 75% of the tar sands in the world located?
A. alberta, canada and peru
B. venezuela and onatrio,canada
C. venezuela and alberta, canada
D. china and onatrio, canada
Answer:
|
C
|
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|
Does pressure increase or decrease when gas particles heat up?
A. decreases
B. stagnates
C. increase
D. stays constant
Answer:
|
C
|
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|
What are the two most common vision problems?
A. colorblindness and nearsightedness
B. nearsightedness and farsightedness
C. colorblindness and farsightedness
D. glaucoma and nearsightedness
Answer:
|
B
|
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|
What is the pair of bean-shaped organs that filters blood and produces urine?
A. lungs
B. arteries
C. heart
D. kidneys
Answer:
|
D
|
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|
Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids?
A. organism acids
B. peptic acids
C. amino acids
D. polymer acids
Answer:
|
C
|
sciq
|
What is a carbon-based compound that is found in living things called?
A. biochemical compound
B. genetic compound
C. organic compound
D. biological compound
Answer:
|
A
|
sciq
|
What do you call a mirror shaped like the inside of a bowl?
A. concave
B. circular
C. convex
D. curved
Answer:
|
A
|
sciq
|
Ions that contain fewer electrons than protons have a net positive charge and are called what?
A. oxides
B. cations
C. particles
D. anions
Answer:
|
B
|
sciq
|
What factors consist of parts of the environment that are or were alive, and their remains?
A. biotic factors
B. decomposition factors
C. xerophytic factors
D. abiotic factors
Answer:
|
A
|
sciq
|
What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem?
A. theory
B. hypothesis
C. experiment
D. conclusion
Answer:
|
B
|
sciq
|
What is the logarithmic scale that measures the largest jolt of energy released by an earthquake called?
A. tremor scale
B. Geiger counter
C. Shake scale
D. richter scale
Answer:
|
D
|
sciq
|
Polarization occurs between a charged and what other object?
A. motionless
B. obsolete
C. molecular
D. neutral
Answer:
|
D
|
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|
Glucose, fructose, and other sugars that have six carbons are called what?
A. catalysts
B. fluxes
C. alcohols
D. hexoses
Answer:
|
D
|
sciq
|
What is precipitation that flows over the surface of the land?
A. seawater
B. blizzard
C. runoff
D. storm surge
Answer:
|
C
|
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|
What is the method that is a plan for asking questions and testing possible answers called?
A. scientific investigation
B. independent variable
C. forecasting
D. sample size
Answer:
|
A
|
sciq
|
What branch of physics deals with the smallest units of elements and compounds?
A. oxygen
B. gravity
C. quantum
D. atomic
Answer:
|
D
|
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|
What kinds of acids are proteins made out of?
A. sequence acids
B. protein acids
C. amino acids
D. acetic acids
Answer:
|
C
|
sciq
|
Whisk ferns have yellow sporangia and no what?
A. stems
B. roots
C. leaves
D. flowers
Answer:
|
C
|
sciq
|
Do tropical regions have very high or very low rates of immigration?
A. low
B. very high
C. too high
D. medium
Answer:
|
B
|
sciq
|
What type of experiment involves two identical experiments carried out side-by-side, with and without an independent variable?
A. defined experiment
B. trial run
C. controlled experiment
D. blind test
Answer:
|
C
|
sciq
|
How does the core of the sun radiate energy?
A. nuclear fission
B. carbon radiation
C. nuclear fusion
D. electrical radiation
Answer:
|
C
|
sciq
|
What is the concentration of gas molecules in the mesosphere?
A. very low density
B. low density
C. high density
D. medium density
Answer:
|
A
|
sciq
|
What type of energy causes erosion at the shore?
A. wave
B. kinetic
C. potential
D. tidal
Answer:
|
A
|
sciq
|
Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?
A. momentum
B. pressure
C. energy
D. fuel
Answer:
|
C
|
sciq
|
What is the smallest particle of an element that still has the element’s properties?
A. a nucleus
B. an ion
C. an atom
D. an electron
Answer:
|
C
|
sciq
|
A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?
A. prokaryotes
B. eukaryotes
C. insects
D. vacuoles
Answer:
|
A
|
sciq
|
The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this?
A. jointed plant
B. elongated plant
C. solid plant
D. molted plant
Answer:
|
A
|
sciq
|
What do power plants burn to generate electricity?
A. biofuel
B. nuclear fuel
C. timber
D. fossil fuels
Answer:
|
D
|
sciq
|
What organ lets us understand what we see, hear, or sense in other ways, and allows us to use language, learn, think, and remember?
A. brain
B. Kidneys
C. heart
D. bone
Answer:
|
A
|
sciq
|
What is the more common term for ethanoic acid, the active substance in vinegar?
A. acetic acid
B. methyl acid
C. polymer acid
D. amino acid
Answer:
|
A
|
sciq
|
What type of pollution results from the contaminants that enter a waterway or water body through a single site?
A. point source pollution
B. targeted source pollution
C. liquid source pollution
D. simple source pollution
Answer:
|
A
|
sciq
|
What are the "chemical messenger" molecules used by the endocrine system?
A. acids
B. enzymes
C. hormones
D. axons
Answer:
|
C
|
sciq
|
Many innovative farming methods can prevent what type of erosion, which is especially important in agriculture?
A. plains erosion
B. fertilizer erosion
C. soil erosion
D. vegetable erosion
Answer:
|
C
|
sciq
|
As the atoms approach one another, their electron clouds gradually begin to do what?
A. overlap
B. disappear
C. magnetize
D. shrink
Answer:
|
A
|
sciq
|
What force holds together both types of star clusters?
A. inertia
B. magnetism
C. weight
D. gravity
Answer:
|
D
|
sciq
|
What are the rod-like structures made of short microtubules that play an important part in cellular division?
A. centrioles
B. fibrils
C. cilia
D. mitochondria
Answer:
|
A
|
sciq
|
Vertebrates with four limbs are also called what?
A. Amphibians
B. Birds
C. Mammals
D. tetrapods
Answer:
|
D
|
sciq
|
What is the name of the disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall?
A. anemia
B. atherosclerosis
C. arthritis
D. paralysis
Answer:
|
B
|
sciq
|
What is defined as a close relationship between organisms of different species in which at least one of the organisms benefits?
A. parasitic
B. symbiosis
C. co-operative
D. endosymbiosis
Answer:
|
B
|
sciq
|
What do you call the force identified by a north and south pole?
A. gravity
B. normal force
C. buoyancy
D. magnetism
Answer:
|
D
|
sciq
|
The voltage of a voltaic cell can be determined by the reduction potentials of what?
A. old reactions
B. full reactions
C. thermal reactions
D. half reactions
Answer:
|
D
|
sciq
|
What type of fatty acids have bent chains?
A. saturated fatty acids
B. cholesterol
C. unsaturated fatty acids
D. lipids
Answer:
|
C
|
sciq
|
All seed plants and a few seedless vascular plants are what?
A. heterosporous
B. zygotes
C. protozoans
D. homosporous
Answer:
|
A
|
sciq
|
The three segments of arthropods are the head, thorax and what?
A. abdomen
B. chest
C. appendages
D. antennae
Answer:
|
A
|
sciq
|
A notochord has in common with what vertbrate structure?
A. spinal cord
B. rip chord
C. rib cage
D. trichord
Answer:
|
A
|
sciq
|
Most members of what mammalian order possess opposable thumbs?
A. marsupials
B. primates
C. rodents
D. amphibians
Answer:
|
B
|
sciq
|
What refers to a group of individual organisms of the same species that live closely together?
A. a colony
B. a flock
C. a enviroment
D. a habitat
Answer:
|
A
|
sciq
|
The rise in greenhouse gases has what effect on the temperature of earth?
A. no effect
B. it drops
C. it increases
D. more moderate
Answer:
|
C
|
sciq
|
What two types of atoms bond to form sulfate minerals?
A. carbon and sulfur
B. oxygen and sulfur
C. oxygen and calcium
D. oxygen and carbon
Answer:
|
B
|
sciq
|
Where does groundwater primarily come from?
A. erosion
B. evaporation
C. sediment
D. precipitation
Answer:
|
D
|
sciq
|
What determines sex in animals?
A. cell structure
B. sex chromosomes
C. ribosomes
D. cell density
Answer:
|
B
|
sciq
|
The joints of the carpal bones in the wrist are examples of what type of joints?
A. digit joints
B. planar joints
C. isojoints
D. filter joints
Answer:
|
B
|
sciq
|
If a unit is named after a person it needs to be?
A. squandered
B. capitalized
C. short
D. forgotten
Answer:
|
B
|
sciq
|
What is the name for the inner lining of the uterus?
A. the epidermis
B. the uterine shell
C. cuticle
D. the endometrium
Answer:
|
D
|
sciq
|
What is it called when currents keep reversing direction?
A. emitting current
B. circle current
C. alternating current
D. stream current
Answer:
|
C
|
sciq
|
What is the name given to anything that has mass and takes up space?
A. organism
B. molecule
C. matter
D. vacuum
Answer:
|
C
|
sciq
|
What is the upper most level of earth's layers called?
A. surface
B. volcanic
C. mantle
D. crust
Answer:
|
D
|
sciq
|
What are secreted into the gi tract by organs of the gi tract or from a nearby gland named the pancreas?
A. bile
B. digestive enzymes
C. stomach acid
D. insulin and pepsin
Answer:
|
B
|
sciq
|
In what organ does pepsin help break down proteins?
A. skin
B. stomach
C. kidney
D. liver
Answer:
|
B
|
sciq
|
What begins when a neuron receives a chemical stimulus?
A. a metabolism impulse
B. a induce impulse
C. nerve reaction
D. a nerve impulse
Answer:
|
D
|
sciq
|
Pink snapdragons are an example of what?
A. grafting
B. nh3 hybridization
C. incomplete dominance
D. cloning
Answer:
|
C
|
sciq
|
Air quality is a measure of what in the air?
A. gases
B. pollutants
C. water
D. clouds
Answer:
|
B
|
sciq
|
What do solar cells convert the energy in sunlight into?
A. subsequent energy
B. free energy
C. experimental energy
D. electrical energy
Answer:
|
D
|
sciq
|
Both endotherms and ectotherms control what through behavioral responses to changes in the environment?
A. gas temperature
B. hormones
C. sleep cycles
D. body temperature
Answer:
|
D
|
sciq
|
What occurs when the bronchioles swell and the muscles around the bronchioles contract?
A. allergies
B. nausea
C. asthma
D. bronchitis
Answer:
|
C
|
sciq
|
What giant planet is far away from and much less dense than earth?
A. venus
B. mars
C. jupiter
D. uranus
Answer:
|
C
|
sciq
|
Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism?
A. germ
B. pathogen
C. microbe
D. fungus
Answer:
|
B
|
sciq
|
Newton’s third law of motion describes what property of forces that means balance?
A. symmetry
B. acceleration
C. magnetism
D. gravity
Answer:
|
A
|
sciq
|
Translation is the second part of the central dogma of what?
A. molecular gastronomy
B. relativity
C. string theory
D. molecular biology
Answer:
|
D
|
sciq
|
What helps us see rainbows in the sky?
A. prism
B. myopia
C. spectral light
D. visible light
Answer:
|
D
|
sciq
|
How the individuals in a population are spread throughout their habitat is referred to as what?
A. population habitation
B. population spread
C. habitual distribution
D. population distribution
Answer:
|
D
|
sciq
|
The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
A. accumulation
B. extinction
C. isolation
D. compression
Answer:
|
B
|
sciq
|
Both fats and oils are made up of long chains of carbon atoms that are bonded together. what are these chains called?
A. nucleic acids
B. metabolic acids
C. amino acids
D. fatty acids
Answer:
|
D
|
sciq
|
What adds phosphate groups to receptor proteins at the surface of the cell?
A. nitrogen kinases
B. protein kinases
C. receptor kinases
D. brain kinases
Answer:
|
C
|
sciq
|
Cold fronts in winter may bring what type of storm?
A. snow storm
B. typhoon
C. showers
D. monsoon
Answer:
|
A
|
sciq
|
What is added to alcohol and used as an antiseptic?
A. arsenic
B. chlorine
C. chloride
D. iodine
Answer:
|
D
|
sciq
|
Excretion of ions occurs mainly through what organ?
A. lungs
B. kidneys
C. tissues
D. Heart
Answer:
|
B
|
sciq
|
Acids can also react with metals, and when they do they produce what?
A. potassium gas
B. hydrogen gas
C. alloys
D. rust
Answer:
|
B
|
sciq
|
Convection is the transfer of what type of energy by particles moving through a fluid?
A. thermal
B. Chemical
C. atmospheric
D. Nuclear
Answer:
|
A
|
sciq
|
Foresters commonly inoculate pine seedlings with a type of what to promote growth?
A. yeast
B. proteins
C. fungi
D. soil
Answer:
|
C
|
sciq
|
What are animal fats and oils such as olive and vegetable oil classified as?
A. inorganic compounds
B. amino acids
C. lipids
D. proteins
Answer:
|
C
|
sciq
|
What type of alloys are used in musical instruments?
A. brass
B. plastics
C. copper
D. bronze
Answer:
|
A
|
sciq
|
Osteoclasts and osteoblasts play key roles in repair of what?
A. bone
B. heart
C. brain
D. liver
Answer:
|
A
|
sciq
|
What is the general shape of centrioles?
A. oval
B. spherical
C. rod
D. arc
Answer:
|
C
|
sciq
|
Why does water infiltrate the ground?
A. because soil and rocks are porous
B. gravity
C. prolonged drought conditions
D. run-off from flooding
Answer:
|
A
|
sciq
|
What is the upward force exerted by fluids when any object, such as a boat, is placed in it?
A. atomic force
B. human force
C. impetuous force
D. bouyant force
Answer:
|
D
|
sciq
|
What do dendrites receive signals from?
A. hormones
B. fibers
C. neurons
D. electrons
Answer:
|
C
|
sciq
|
What is the term for the exchange of genetic material between non-sister chromatids of homologous chromosomes?
A. inheritance
B. asexual reproduction
C. crossing-over
D. meiosis
Answer:
|
C
|
sciq
|
What must be overcome to change the motion of an object?
A. weight
B. density
C. pressure
D. inertia
Answer:
|
D
|
sciq
|
Which action of the stomach helps chemical digestion by gastric juice?
A. chewing
B. churning action
C. contraction
D. peristalsis
Answer:
|
B
|
sciq
|
What two lenses comprise a compound microscope?
A. polarized and focal
B. objective and eyepiece
C. scope and focus
D. concave and convex
Answer:
|
B
|
sciq
|
Physical and chemical differences help ecologists distinguish between freshwater and marine types of what?
A. habitats
B. biomes
C. microbiomes
D. cities
Answer:
|
B
|
sciq
|
What are the organic compounds that the body needs in small amounts to function properly; humans need 13 different ones?
A. vitamins
B. nutrients
C. minerals
D. proteins
Answer:
|
A
|
sciq
|
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