dpquoc/ARC · Datasets at Hugging Face

Unnamed: 0 int64 0 2.25k	id stringlengths 8 22	question stringlengths 17 683	A stringlengths 1 147	B stringlengths 1 134	C stringlengths 1 153	D stringlengths 1 129 ⌀	answer stringclasses 5 values
1,381	Mercury_SC_401299	Which characteristic would best help a land animal survive in a cold Arctic climate?	thick fur	large ears	smooth feet	slender body	A
1,382	Mercury_SC_400165	What is the most reasonable explanation for why a toy car rolls farther on a wood floor than on a thick carpet?	The car weighs more on the carpet.	The car weighs more on the floor.	The carpet has more resistance.	The floor has more traction.	C
1,383	Mercury_SC_401824	What part of the scientific method involves measuring the growth of a plant over a one-month period?	analysis	observation	conclusion	hypothesis	B
1,384	Mercury_SC_400294	Which statement on a toothpaste package best supports the claim of fighting cavities?	delivers great new flavor	patented triple cleansing action	guaranteed to make teeth sparkle	certified by the American Dental Association	D
1,385	Mercury_7082723	Which is a chemical compound?	aluminum	carbonated water	sodium chloride	carbon-14	C
1,386	VASoL_2011_5_23	Which of these human activities in a forest has a positive effect on the ecosystem?	Clearing the land to build new homes	Planting new trees where old ones were cut down	Building a new highway through the area	Cutting down trees to make farmland	B
1,387	NAEP_2005_4_S13+9	Which is an example of water condensing?	A puddle disappearing on a hot summer afternoon	Sweat forming on your forehead after you do a lot of exercise	Ice cubes melting when you put them out in the sun	Dew forming on plants during a cold night	D
1,388	Mercury_7004445	Gregor Mendel studied ratios related to traits passed from parent pea plants to offspring pea plants. Mendel used large numbers of plants to avoid "sampling error." This changed the way scientists studied genetics because it included ideas of	nuclei and DNA.	atoms and molecules.	ecology and environment.	mathematics and probability.	D
1,389	Mercury_7040898	What season is the Northern Hemisphere experiencing when it is tilted directly toward the Sun?	fall	winter	spring	summer	D
1,390	TIMSS_1995_8_J2	Which species have been on the Earth for the shortest amount of time?	Humans	Insects	Fish	Reptiles	A
1,391	Mercury_7014578	Which tool should be used to compare the growth of an algal colony growing in a petri dish?	a scale	a ruler	a hand lens	a balance scale	C
1,392	MDSA_2007_8_5	Use The Periodic Table of the Elements and the information below to answer the question. Magnesium metal (Mg) is grayish-white in color and reacts actively with water. Fluorine (F2) is a greenish-yellow gas at room temperature and is a member of the halogen family. These two elements react to produce magnesium fluoride (MgF2), a chemical commonly used in making windows and lenses. How do the elements magnesium (Mg) and fluorine (F2) produce the compound magnesium fluoride (MgF2)?	by nuclear connection	by physically combining	by magnetic connection	by chemically combining	D
1,393	Mercury_7159233	Male barn swallow birds with symmetrically-shaped wings find mates more quickly than males with asymmetrical wing shapes. Which statement best explains the significance of symmetry in the barn swallow population?	Symmetrical wings are attractive to females.	Symmetrical wings indicate genetic mutations.	Symmetrical wings indicate that males are good predators.	Symmetrical wings are signs that a bird is very aggressive.	A
1,394	Mercury_7011253	Which of the following would be most useful for calculating the density of a rock sample?	microscope and balance	graduated cylinder and balance	microscope and graduated cylinder	beaker and graduated cylinder	B
1,395	AKDE&ED_2008_4_16	Which object in our solar system reflects light and is a satellite that orbits around one planet?	Earth	Mercury	the Sun	the Moon	D
1,396	Mercury_SC_408396	Students stir salt, sand, sawdust, and seashells into a jar filled with water. Which of the materials will form a solution?	salt and water	sand and sawdust	seashells and water	sawdust and seashells	A
1,397	Mercury_7236565	Which scale is used to report the intensity of an earthquake?	Saffir-Simpson Scale	Modified Mercalli Scale	Richter Magnitude Scale	Moment Magnitude Scale	B
1,398	NYSEDREGENTS_2009_8_27	What is the outermost structure in a plant cell?	cell membrane	cytoplasm	cell wall	chloroplast	C
1,399	Mercury_SC_409237	The main source of food for a coyote population in one area is mice. Which is most likely to happen to these coyotes if a new predator begins eating the mice?	There will be fewer coyotes.	The coyotes will produce more young.	More coyotes will arrive from other locations.	Each coyote will spend less time hunting food.	A
1,400	Mercury_7056630	The best example of heat transfer by convection is when	sunlight warms soil.	a ceiling fan blows air.	flames heat up a pan.	heat rises in a chimney.	D
1,401	Mercury_7119770	A worker needs to load a heavy box onto a truck. The worker uses a ramp to move the box because the ramp	increases the weight of the box.	reduces the gravitational force on the box.	increases the amount of friction on the box.	reduces the amount of force applied to the box.	D
1,402	NYSEDREGENTS_2011_4_23	A fox grows thicker fur as a season changes. This adaptation helps the fox to	find food	keep warmer	grow stronger	escape from predators	B
1,403	Mercury_417698	What is the main source of raw material for the production of plastics?	clay	plants	petroleum	sand	C
1,404	MCAS_2010_5_5	The students in an engineering class built a robot that stacks wooden blocks. A built-in computer controls the movement of the robot. The computer in the robot performs a function most similar to which part of the human body?	lungs	heart	brain	arms	C
1,405	Mercury_7092050	When sugar is heated on a hot plate, it turns into a liquid. When the liquid sugar is cooled, a hard-crystalline substance is formed. This model best demonstrates the formation of	molten rocks.	igneous rocks.	sedimentary rocks.	metamorphic rocks.	B
1,406	Mercury_7026670	Which distance is the smallest for which it is most practical to use the light-year as a unit of measurement?	the distance between Earth and its Moon	the distance between Jupiter and the Sun	the distance between the Milky Way and the nearest galaxy	the distance between the Sun and the center of the Milky Way	D
1,407	MCAS_2006_9_19	Which of the following devices relies on electromagnetic radiation in the radio wave region of the spectrum for operation?	sun tanning lamp	electric light bulb	cellular telephone	electric toaster	C
1,408	Mercury_7228743	When a tree suffers from a decreased ability to transport materials within the phloem, what is directly impacted?	volume of water in the xylem	flow of necessary nutrients	response to environmental factors	rate of photosynthesis in leaves	B
1,409	Mercury_7009415	Strontium, barium, and radium are grouped together on the Periodic Table of the Elements because they all have	a bright silver and white coloring.	similar electron configurations.	strong radioactive properties.	few or no stable isotopes.	B
1,410	NYSEDREGENTS_2005_4_15	An example of a poor health habit is	taking a bath or shower regularly	handwashing after using the bathroom	playing on a soccer team	eating candy instead of lunch	D
1,411	Mercury_183050	What type of inheritance controls blood types in humans?	incomplete dominance	polygenic inheritance	multiple alleles	recessive genes	C
1,412	Mercury_7085540	Minerals can be identified using hardness, streak, and cleavage because	minerals are inorganic.	crystal structure is too hard to determine.	crystal size is determined by the environment.	minerals have different recognizable properties.	D
1,413	Mercury_7044258	What is the process that produces energy in the Sun for billions of years?	fission	fusion	solar winds	solar radiation	B
1,414	Mercury_7068793	Which statement is an opinion?	Chemistry and Physics are major branches of science.	Life Science is a subject filled with interesting information.	Geology and Oceanography are subjects in Earth Science.	Biology is a science that studies complex organisms.	B
1,415	Mercury_403253	Decomposers are organisms that obtain their food from dead organisms. Which of these would be classified as decomposers?	algae, plants	snakes, wolves, whales	deer, rabbits, mice	bacteria, fungi	D
1,416	Mercury_7174790	DNA molecules contain the genetic information that determines the characteristics of a living organism. How do DNA molecules express the genetic information they contain?	by breaking down proteins within the cell	by directing the process of protein synthesis	by regulating the storage of cellular proteins	by controlling the movement of protein molecules	B
1,417	TIMSS_2003_8_pg17	Fossil fuels were formed from	volcanoes	the remains of living things	gases in the atmosphere	water trapped inside rocks	B
1,418	Mercury_189700	Which of the following remains constant in Earth's carbon cycle?	the total mass of available carbon	the way organisms use carbon	the physical state of carbon-containing molecules	the molecule in which a particular carbon atom is found	A
1,419	AIMS_2008_4_9	Which invention has technology that helps people keep food fresh for a long period of time?	dishwasher	refrigerator	electric mixer	microwave oven	B
1,420	Mercury_7184660	A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report?	The distance between the Sun and Earth is measured in light years.	Jupiter and Uranus are considered to be terrestrial planets.	The asteroid belt is located between Jupiter and Saturn.	The orbit of Mars is similar to the orbit of Saturn.	D
1,421	Mercury_SC_408356	Stacey picks apples and puts them in a basket. When she puts her basket on a scale, the scale reads two kilograms (kg). What property is Stacey measuring?	height	weight	temperature	volume	B
1,422	Mercury_SC_401184	Which feature is a physical property of copper?	insulates heat	conducts electricity	strong magnetic force	liquid at room temperature	B
1,423	Mercury_SC_415490	Which term describes Earth's orbit around the Sun?	day	revolution	month	rotation	B
1,424	Mercury_SC_400011	How do the waxy stem covering and needle-shaped leaves improve the ability of a cactus to survive in the desert?	They make the plant appetizing to small desert animals.	They prevent the loss of oxygen through photosynthesis.	They reduce the loss of water from the plant to the air.	They provide the storage space for different types of minerals.	C
1,425	Mercury_7216405	Which characteristic of a cell membrane allows it to control materials entering and leaving a cell?	A cell membrane is surrounded by fluid.	A cell membrane is semipermeable.	A cell membrane holds organelles in place.	A cell membrane is found in plant and animal cells.	B
1,426	Mercury_7074883	Which statement about all living organisms is true?	They have limbs.	They produce their own food.	They breathe air.	They have at least one cell.	D
1,427	AKDE&ED_2008_4_14	The length of daylight changes as the seasons change during the year. What causes these changes in daylight?	Earth's tilt on its axis	the Sun's tilt on its axis	Earth spinning on its axis	the Sun spinning on its axis	A
1,428	Mercury_7011200	The populations of black rhinoceroses have been impacted by human interactions to the point of being endangered. Which interaction best explains why the black rhino is now endangered?	over hunting	water pollution	airborne diseases	increased deforestation	A
1,429	Mercury_SC_405714	A student had a cup of ice while working outside. After a while, the ice melted because the Sun emits energy in the form of light and	electricity.	heat.	magnetism.	sound.	B
1,430	Mercury_7227868	What characteristic of viruses distinguishes them from cells?	They do not have hereditary material.	They are not separated from their environments.	They lack an independent metabolism.	Their traits do not evolve in response to selection pressures.	C
1,431	Mercury_182595	The energy required to lift an object is supplied by ATP derived from the breakdown of molecules of	glutamate.	glycerol.	glycolysis.	glucose.	D
1,432	Mercury_7194390	Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis?	ATP	mRNA	tRNA	DNA	D
1,433	Mercury_7251090	Which of these makes it possible for hurricanes to form?	water depth	water clarity	water salinity	water temperature	D
1,434	Mercury_SC_400527	Most types of cacti survive the dry conditions of a desert because they hold water in their stems. This is an example of	a niche.	a species.	an adaptation.	an ecosystem.	C
1,435	Mercury_7217858	High-altitude cirrus clouds are primarily formed from which substance?	carbon dioxide gas	solid ice crystals	nitrogen compounds	ozone molecules	B
1,436	AKDE&ED_2012_8_28	During a lab investigation a scientist heats a solid substance. The scientist observes that the solid has two different melting points. The scientist is able to separate the two resulting liquids. Which statement best classifies the original solid substance?	It was an atom.	It was a mixture.	It was an element.	It was a compound.	B
1,437	LEAP_2002_8_10388	Over a long period of time, some flowering plants have become dependent on honey bees to fertilize their seeds. In recent years, a form of mite has infected and killed the honey bees in many areas of the country. Since this has happened, the once bee-dependent plants with the best chance of surviving are those that	grow taller so that the few remaining honey bees will find them.	change their flowers so that wind will fertilize them.	have always attracted many other insects as well as honey bees.	have seeds that stay alive for a long time in the environment.	C
1,438	Mercury_SC_413080	Which landforms are most like hills but are much taller?	caves	mountains	plains	valleys	B
1,439	MEA_2016_8_17	What is the basic unit of life?	atom	cell	element	nucleus	B
1,440	MCAS_2004_8_29	About how many Earth days does it take the Moon to travel around Earth?	1	27	180	365	B
1,441	Mercury_7214690	Students studying the atmosphere want to display the percentage of each greenhouse gas as compared to the total amount of greenhouse gases found in the atmosphere. Which representation would be most appropriate for displaying these percentages?	bar graph	line graph	pie chart	data table	C
1,442	Mercury_7234325	The Himalayan Mountain chain is the youngest and tallest mountain chain on Earth. Which phenomenon contributed most to this area of continental buildup?	erosion of surrounding continental materials	eruptions of continental shield volcanoes	convergence of continental plates	subsidence of continental landmass	C
1,443	ACTAAP_2010_7_4	A large cold front is moving past the school on a hot, humid summer day. Which best describes the type of weather as the cold front passes by?	A drought	A monsoon	A hurricane	A thunderstorm	D
1,444	NYSEDREGENTS_2005_8_41	Growth and repair in multicellular organisms are the result of	excretion	locomotion	cell division	decomposition	C
1,445	NYSEDREGENTS_2004_4_22	A girl signals her friend by shining a flashlight on a mirror. Her friend can see the signal because	heat energy can be transferred from one object to another	mechanical energy can be transferred from one object to another	sound energy can be reflected from one object to another	light energy can be reflected from one object to another	D
1,446	VASoL_2007_3_31	If a wooded area is cleared and corn is planted, what will MOST likely happen?	Animal habitats will be destroyed.	The air will become polluted.	Weather patterns will change.	Underground streams will get polluted.	A
1,447	Mercury_7186970	Warm water contains less dissolved oxygen than colder water. Which population will be most affected by a long period of hot, dry days?	fish in ponds	fish in oceans	plants in lakes	plants in streams	A
1,448	MCAS_2004_8_31	Which of the following is most responsible for the decay of dead organisms?	water	mammals	microorganisms	nitrogen	C
1,449	Mercury_SC_402266	When a book is dropped onto a wooden desk, the molecules in the wood begin to vibrate from the force of the book. Which of these is produced by the vibrations?	friction	interference	sound waves	ultrasonic waves	C
1,450	Mercury_7123288	In 1976, the Viking I Lander was sent to Mars to analyze atmospheric gases and soil samples. The Viking I Lander was most likely a	space probe.	space shuttle.	lunar module.	natural satellite.	A
1,451	NYSEDREGENTS_2006_8_12	Which action forms a different chemical substance?	crushing a rock	burning a piece of wood	mixing salt and pepper	melting an ice cube	B
1,452	NCEOGA_2013_5_58	Why do dogs have most of the characteristics of their parents?	They inherit them from their parents.	They live in the same habitats as their parents.	They learn them by observing their parents.	They eat the same foods as their parents.	A
1,453	Mercury_SC_401362	Which describes a specific characteristic necessary for survival in the desert?	conserving water	hiding from predators	hibernating for long periods	producing many offspring	A
1,454	NYSEDREGENTS_2004_4_14	Frogs lay eggs that develop into tadpoles and then into adult frogs. This sequence of changes is an example of how living things	go through a life cycle	form a food web	act as a source of food	affect other parts of the ecosystem	A
1,455	Mercury_404985	Quartz and feldspar are two common minerals. When they are found mixed together in nature they form	rocks.	magma.	soil deposits.	organic material.	A
1,456	Mercury_7264058	Atoms of which of these elements are part of many organic molecules?	calcium	magnesium	oxygen	silicon	C
1,457	NYSEDREGENTS_2006_4_9	Which object is the best conductor of electricity?	metal fork	rubber boot	plastic spoon	wooden bat	A
1,458	Mercury_7032655	An element with which property would be best to use in electrical wiring?	insulator	conductor	malleable	porous	B
1,459	MSA_2013_5_12	A large rock breaks into small pieces within 10 years. Which process is most likely responsible for breaking the large rock into small pieces within 10 years?	steady winds blowing throughout the years	gentle rain falling during each spring and fall	lack of rain falling during a four-year drought	water repeatedly freezing and thawing in a crack	D
1,460	Mercury_SC_407787	Paco throws a ball. What force pulls the ball down toward the ground?	friction	gravity	inertia	momentum	B
1,461	Mercury_SC_401289	Which is a unit of measure for length?	meters	degrees	milliliters	atmospheres	A
1,462	NYSEDREGENTS_2005_8_5	Movement of Earth's crust along plate boundaries produces	fronts	tides	hurricanes	earthquakes	D
1,463	Mercury_7107958	The praying mantis is well camouflaged in its natural habitat. What is a benefit of this adaptation?	It increases the mutation rate of favorable genes.	It reduces the risk of being eaten by a predator.	It allows absorption of chlorophyll from plants.	It improves the chances of finding a mate.	B
1,464	Mercury_7212415	The Greek philosopher Aristotle described matter with the phrase "unable to be divided." The modern concept that grew from Aristotle's idea is the	atom.	proton.	neutron.	electron.	A
1,465	MSA_2015_5_39	Paleontologists often find and study the remains of ancient plants and animals. When the remains of ancient plants and animals are covered by layers of sediment over time, the remains	melt	dissolve	become a fossil	evaporate into vapor	C
1,466	MCAS_2006_8_2	What are the basic structural units of living organisms?	cells	nuclei	organs	tissues	A
1,467	Mercury_7086135	A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds of miles from the ocean. The fossils best indicate that	this area was once below sea level.	global temperature changed over time.	erosion took place after a flood.	volcanic activity affected the area.	A
1,468	NCEOGA_2013_5_47	What happens to metal railroad tracks during the heat of a summer day?	decrease in weight	increase in weight	decrease in length	increase in length	D
1,469	Mercury_7191590	Jake is testing how light affects plant growth. He grows two plants in identical pots with the same amount of water and fertilizer. Jake grows one of the plants in the sun, and the other in the shade. Which part of Jake's process indicates that there is a control for this investigation?	He is growing plants in identical pots.	He is using the same amount of water.	He is growing one plant out of the sun.	He is using the same amount of fertilizer.	C
1,470	Mercury_SC_400043	Which stage of a frog's life cycle can be compared to a plant seed growing into a new plant?	when frog eggs are laid in water	when frog eggs hatch into tadpoles	when tadpoles live in water and breathe with gills	when frogs use lungs for breathing out of water	B
1,471	Mercury_7264075	Which of these elements is likely to be found in an organic compound?	helium	hydrogen	mercury	tin	B
1,472	Mercury_7249498	What statement describes what happens to the carbon dioxide waste produced by a developing baby during pregnancy?	It is carried by the umbilical cord to the placenta and then to the mother's blood.	It is released from the fetus by its breathing and then is absorbed by the placenta.	It is released through the fetal urine and then exits through the umbilical cord.	It is carried through shared blood vessels and then to the mother's lungs.	A
1,473	Mercury_7082775	Which part of the atom has a negative charge?	neutron	nucleus	electron	proton	C
1,474	Mercury_SC_415347	Which is a learned behavior?	A dog uses its tongue to drink.	A robin holds a branch with its feet.	A chimpanzee digs for termites with a stick.	A worm moves to the top of flooded ground.	C
1,475	Mercury_406774	Organisms that reproduce asexually generally have offspring that are	unicellular.	multicellular.	genetically varied.	genetically identical.	D
1,476	TAKS_2009_5_39	Crows are found throughout many parts of the world. They are black birds with excellent hearing. In the wild they live for six to seven years. Some crows in Japan open hard-shelled nuts by dropping them in front of moving cars. Which of these is a learned behavior?	Having excellent hearing	Living six to seven years	Dropping nuts in front of cars	Having black feathers	C
1,477	Mercury_SC_401625	Which object would best help a student determine if a block of an unknown material is magnetic?	wooden ruler	paper clip	glass marble	magnifying glass	B
1,478	OHAT_2007_5_23	About how much of Earth's surface is covered by oceans?	less than 20%	about 50%	about 70%	more than 90%	C
1,479	NYSEDREGENTS_2011_8_42	Sound will not travel in a	solid	liquid	gas	vacuum	D
1,480	Mercury_SC_407452	What supplies most of the energy that plants need to make food?	rain	wind	minerals	sunlight	D

1,381

Mercury_SC_401299

Which characteristic would best help a land animal survive in a cold Arctic climate?

thick fur

large ears

smooth feet

slender body

A

1,382

Mercury_SC_400165

What is the most reasonable explanation for why a toy car rolls farther on a wood floor than on a thick carpet?

The car weighs more on the carpet.

The car weighs more on the floor.

The carpet has more resistance.

The floor has more traction.

C

1,383

Mercury_SC_401824

What part of the scientific method involves measuring the growth of a plant over a one-month period?

analysis

observation

conclusion

hypothesis

B

1,384

Mercury_SC_400294

Which statement on a toothpaste package best supports the claim of fighting cavities?

delivers great new flavor

patented triple cleansing action

guaranteed to make teeth sparkle

certified by the American Dental Association

D

1,385

Mercury_7082723

Which is a chemical compound?

aluminum

carbonated water

sodium chloride

carbon-14

C

1,386

VASoL_2011_5_23

Which of these human activities in a forest has a positive effect on the ecosystem?

Clearing the land to build new homes

Planting new trees where old ones were cut down

Building a new highway through the area

Cutting down trees to make farmland

B

1,387

NAEP_2005_4_S13+9

Which is an example of water condensing?

A puddle disappearing on a hot summer afternoon

Sweat forming on your forehead after you do a lot of exercise

Ice cubes melting when you put them out in the sun

Dew forming on plants during a cold night

D

1,388

Mercury_7004445

Gregor Mendel studied ratios related to traits passed from parent pea plants to offspring pea plants. Mendel used large numbers of plants to avoid "sampling error." This changed the way scientists studied genetics because it included ideas of

nuclei and DNA.

atoms and molecules.

ecology and environment.

mathematics and probability.

D

1,389

Mercury_7040898

What season is the Northern Hemisphere experiencing when it is tilted directly toward the Sun?

fall

winter

spring

summer

D

1,390

TIMSS_1995_8_J2

Which species have been on the Earth for the shortest amount of time?

Humans

Insects

Fish

Reptiles

A

1,391

Mercury_7014578

Which tool should be used to compare the growth of an algal colony growing in a petri dish?

a scale

a ruler

a hand lens

a balance scale

C

1,392

MDSA_2007_8_5

Use The Periodic Table of the Elements and the information below to answer the question. Magnesium metal (Mg) is grayish-white in color and reacts actively with water. Fluorine (F2) is a greenish-yellow gas at room temperature and is a member of the halogen family. These two elements react to produce magnesium fluoride (MgF2), a chemical commonly used in making windows and lenses. How do the elements magnesium (Mg) and fluorine (F2) produce the compound magnesium fluoride (MgF2)?

by nuclear connection

by physically combining

by magnetic connection

by chemically combining

D

1,393

Mercury_7159233

Male barn swallow birds with symmetrically-shaped wings find mates more quickly than males with asymmetrical wing shapes. Which statement best explains the significance of symmetry in the barn swallow population?

Symmetrical wings are attractive to females.

Symmetrical wings indicate genetic mutations.

Symmetrical wings indicate that males are good predators.

Symmetrical wings are signs that a bird is very aggressive.

A

1,394

Mercury_7011253

Which of the following would be most useful for calculating the density of a rock sample?

microscope and balance

graduated cylinder and balance

microscope and graduated cylinder

beaker and graduated cylinder

B

1,395

AKDE&ED_2008_4_16

Which object in our solar system reflects light and is a satellite that orbits around one planet?

Earth

Mercury

the Sun

the Moon

D

1,396

Mercury_SC_408396

Students stir salt, sand, sawdust, and seashells into a jar filled with water. Which of the materials will form a solution?

salt and water

sand and sawdust

seashells and water

sawdust and seashells

A

1,397

Mercury_7236565

Which scale is used to report the intensity of an earthquake?

Saffir-Simpson Scale

Modified Mercalli Scale

Richter Magnitude Scale

Moment Magnitude Scale

B

1,398

NYSEDREGENTS_2009_8_27

What is the outermost structure in a plant cell?

cell membrane

cytoplasm

cell wall

chloroplast

C

1,399

Mercury_SC_409237

The main source of food for a coyote population in one area is mice. Which is most likely to happen to these coyotes if a new predator begins eating the mice?

There will be fewer coyotes.

The coyotes will produce more young.

More coyotes will arrive from other locations.

Each coyote will spend less time hunting food.

A

1,400

Mercury_7056630

The best example of heat transfer by convection is when

sunlight warms soil.

a ceiling fan blows air.

flames heat up a pan.

heat rises in a chimney.

D

1,401

Mercury_7119770

A worker needs to load a heavy box onto a truck. The worker uses a ramp to move the box because the ramp

increases the weight of the box.

reduces the gravitational force on the box.

increases the amount of friction on the box.

reduces the amount of force applied to the box.

D

1,402

NYSEDREGENTS_2011_4_23

A fox grows thicker fur as a season changes. This adaptation helps the fox to

find food

keep warmer

grow stronger

escape from predators

B

1,403

Mercury_417698

What is the main source of raw material for the production of plastics?

clay

plants

petroleum

sand

C

1,404

MCAS_2010_5_5

The students in an engineering class built a robot that stacks wooden blocks. A built-in computer controls the movement of the robot. The computer in the robot performs a function most similar to which part of the human body?

lungs

heart

brain

arms

C

1,405

Mercury_7092050

When sugar is heated on a hot plate, it turns into a liquid. When the liquid sugar is cooled, a hard-crystalline substance is formed. This model best demonstrates the formation of

molten rocks.

igneous rocks.

sedimentary rocks.

metamorphic rocks.

B

1,406

Mercury_7026670

Which distance is the smallest for which it is most practical to use the light-year as a unit of measurement?

the distance between Earth and its Moon

the distance between Jupiter and the Sun

the distance between the Milky Way and the nearest galaxy

the distance between the Sun and the center of the Milky Way

D

1,407

MCAS_2006_9_19

Which of the following devices relies on electromagnetic radiation in the radio wave region of the spectrum for operation?

sun tanning lamp

electric light bulb

cellular telephone

electric toaster

C

1,408

Mercury_7228743

When a tree suffers from a decreased ability to transport materials within the phloem, what is directly impacted?

volume of water in the xylem

flow of necessary nutrients

response to environmental factors

rate of photosynthesis in leaves

B

1,409

Mercury_7009415

Strontium, barium, and radium are grouped together on the Periodic Table of the Elements because they all have

a bright silver and white coloring.

similar electron configurations.

strong radioactive properties.

few or no stable isotopes.

B

1,410

NYSEDREGENTS_2005_4_15

An example of a poor health habit is

taking a bath or shower regularly

handwashing after using the bathroom

playing on a soccer team

eating candy instead of lunch

D

1,411

Mercury_183050

What type of inheritance controls blood types in humans?

incomplete dominance

polygenic inheritance

multiple alleles

recessive genes

C

1,412

Mercury_7085540

Minerals can be identified using hardness, streak, and cleavage because

minerals are inorganic.

crystal structure is too hard to determine.

crystal size is determined by the environment.

minerals have different recognizable properties.

D

1,413

Mercury_7044258

What is the process that produces energy in the Sun for billions of years?

fission

fusion

solar winds

solar radiation

B

1,414

Mercury_7068793

Which statement is an opinion?

Chemistry and Physics are major branches of science.

Life Science is a subject filled with interesting information.

Geology and Oceanography are subjects in Earth Science.

Biology is a science that studies complex organisms.

B

1,415

Mercury_403253

Decomposers are organisms that obtain their food from dead organisms. Which of these would be classified as decomposers?

algae, plants

snakes, wolves, whales

deer, rabbits, mice

bacteria, fungi

D

1,416

Mercury_7174790

DNA molecules contain the genetic information that determines the characteristics of a living organism. How do DNA molecules express the genetic information they contain?

by breaking down proteins within the cell

by directing the process of protein synthesis

by regulating the storage of cellular proteins

by controlling the movement of protein molecules

B

1,417

TIMSS_2003_8_pg17

Fossil fuels were formed from

volcanoes

the remains of living things

gases in the atmosphere

water trapped inside rocks

B

1,418

Mercury_189700

Which of the following remains constant in Earth's carbon cycle?

the total mass of available carbon

the way organisms use carbon

the physical state of carbon-containing molecules

the molecule in which a particular carbon atom is found

A

1,419

AIMS_2008_4_9

Which invention has technology that helps people keep food fresh for a long period of time?

dishwasher

refrigerator

electric mixer

microwave oven

B

1,420

Mercury_7184660

A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report?

The distance between the Sun and Earth is measured in light years.

Jupiter and Uranus are considered to be terrestrial planets.

The asteroid belt is located between Jupiter and Saturn.

The orbit of Mars is similar to the orbit of Saturn.

D

1,421

Mercury_SC_408356

Stacey picks apples and puts them in a basket. When she puts her basket on a scale, the scale reads two kilograms (kg). What property is Stacey measuring?

height

weight

temperature

volume

B

1,422

Mercury_SC_401184

Which feature is a physical property of copper?

insulates heat

conducts electricity

strong magnetic force

liquid at room temperature

B

1,423

Mercury_SC_415490

Which term describes Earth's orbit around the Sun?

day

revolution

month

rotation

B

1,424

Mercury_SC_400011

How do the waxy stem covering and needle-shaped leaves improve the ability of a cactus to survive in the desert?

They make the plant appetizing to small desert animals.

They prevent the loss of oxygen through photosynthesis.

They reduce the loss of water from the plant to the air.

They provide the storage space for different types of minerals.

C

1,425

Mercury_7216405

Which characteristic of a cell membrane allows it to control materials entering and leaving a cell?

A cell membrane is surrounded by fluid.

A cell membrane is semipermeable.

A cell membrane holds organelles in place.

A cell membrane is found in plant and animal cells.

B

1,426

Mercury_7074883

Which statement about all living organisms is true?

They have limbs.

They produce their own food.

They breathe air.

They have at least one cell.

D

1,427

AKDE&ED_2008_4_14

The length of daylight changes as the seasons change during the year. What causes these changes in daylight?

Earth's tilt on its axis

the Sun's tilt on its axis

Earth spinning on its axis

the Sun spinning on its axis

A

1,428

Mercury_7011200

The populations of black rhinoceroses have been impacted by human interactions to the point of being endangered. Which interaction best explains why the black rhino is now endangered?

over hunting

water pollution

airborne diseases

increased deforestation

A

1,429

Mercury_SC_405714

A student had a cup of ice while working outside. After a while, the ice melted because the Sun emits energy in the form of light and

electricity.

heat.

magnetism.

sound.

B

1,430

Mercury_7227868

What characteristic of viruses distinguishes them from cells?

They do not have hereditary material.

They are not separated from their environments.

They lack an independent metabolism.

Their traits do not evolve in response to selection pressures.

C

1,431

Mercury_182595

The energy required to lift an object is supplied by ATP derived from the breakdown of molecules of

glutamate.

glycerol.

glycolysis.

glucose.

D

1,432

Mercury_7194390

Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis?

ATP

mRNA

tRNA

DNA

D

1,433

Mercury_7251090

Which of these makes it possible for hurricanes to form?

water depth

water clarity

water salinity

water temperature

D

1,434

Mercury_SC_400527

Most types of cacti survive the dry conditions of a desert because they hold water in their stems. This is an example of

a niche.

a species.

an adaptation.

an ecosystem.

C

1,435

Mercury_7217858

High-altitude cirrus clouds are primarily formed from which substance?

carbon dioxide gas

solid ice crystals

nitrogen compounds

ozone molecules

B

1,436

AKDE&ED_2012_8_28

During a lab investigation a scientist heats a solid substance. The scientist observes that the solid has two different melting points. The scientist is able to separate the two resulting liquids. Which statement best classifies the original solid substance?

It was an atom.

It was a mixture.

It was an element.

It was a compound.

B

1,437

LEAP_2002_8_10388

Over a long period of time, some flowering plants have become dependent on honey bees to fertilize their seeds. In recent years, a form of mite has infected and killed the honey bees in many areas of the country. Since this has happened, the once bee-dependent plants with the best chance of surviving are those that

grow taller so that the few remaining honey bees will find them.

change their flowers so that wind will fertilize them.

have always attracted many other insects as well as honey bees.

have seeds that stay alive for a long time in the environment.

C

1,438

Mercury_SC_413080

Which landforms are most like hills but are much taller?

caves

mountains

plains

valleys

B

1,439

MEA_2016_8_17

What is the basic unit of life?

atom

cell

element

nucleus

B

1,440

MCAS_2004_8_29

About how many Earth days does it take the Moon to travel around Earth?

1

27

180

365

B

1,441

Mercury_7214690

Students studying the atmosphere want to display the percentage of each greenhouse gas as compared to the total amount of greenhouse gases found in the atmosphere. Which representation would be most appropriate for displaying these percentages?

bar graph

line graph

pie chart

data table

C

1,442

Mercury_7234325

The Himalayan Mountain chain is the youngest and tallest mountain chain on Earth. Which phenomenon contributed most to this area of continental buildup?

erosion of surrounding continental materials

eruptions of continental shield volcanoes

convergence of continental plates

subsidence of continental landmass

C

1,443

ACTAAP_2010_7_4

A large cold front is moving past the school on a hot, humid summer day. Which best describes the type of weather as the cold front passes by?

A drought

A monsoon

A hurricane

A thunderstorm

D

1,444

NYSEDREGENTS_2005_8_41

Growth and repair in multicellular organisms are the result of

excretion

locomotion

cell division

decomposition

C

1,445

NYSEDREGENTS_2004_4_22

A girl signals her friend by shining a flashlight on a mirror. Her friend can see the signal because

heat energy can be transferred from one object to another

mechanical energy can be transferred from one object to another

sound energy can be reflected from one object to another

light energy can be reflected from one object to another

D

1,446

VASoL_2007_3_31

If a wooded area is cleared and corn is planted, what will MOST likely happen?

Animal habitats will be destroyed.

The air will become polluted.

Weather patterns will change.

Underground streams will get polluted.

A

1,447

Mercury_7186970

Warm water contains less dissolved oxygen than colder water. Which population will be most affected by a long period of hot, dry days?

fish in ponds

fish in oceans

plants in lakes

plants in streams

A

1,448

MCAS_2004_8_31

Which of the following is most responsible for the decay of dead organisms?

water

mammals

microorganisms

nitrogen

C

1,449

Mercury_SC_402266

When a book is dropped onto a wooden desk, the molecules in the wood begin to vibrate from the force of the book. Which of these is produced by the vibrations?

friction

interference

sound waves

ultrasonic waves

C

1,450

Mercury_7123288

In 1976, the Viking I Lander was sent to Mars to analyze atmospheric gases and soil samples. The Viking I Lander was most likely a

space probe.

space shuttle.

lunar module.

natural satellite.

A

1,451

NYSEDREGENTS_2006_8_12

Which action forms a different chemical substance?

crushing a rock

burning a piece of wood

mixing salt and pepper

melting an ice cube

B

1,452

NCEOGA_2013_5_58

Why do dogs have most of the characteristics of their parents?

They inherit them from their parents.

They live in the same habitats as their parents.

They learn them by observing their parents.

They eat the same foods as their parents.

A

1,453

Mercury_SC_401362

Which describes a specific characteristic necessary for survival in the desert?

conserving water

hiding from predators

hibernating for long periods

producing many offspring

A

1,454

NYSEDREGENTS_2004_4_14

Frogs lay eggs that develop into tadpoles and then into adult frogs. This sequence of changes is an example of how living things

go through a life cycle

form a food web

act as a source of food

affect other parts of the ecosystem

A

1,455

Mercury_404985

Quartz and feldspar are two common minerals. When they are found mixed together in nature they form

rocks.

magma.

soil deposits.

organic material.

A

1,456

Mercury_7264058

Atoms of which of these elements are part of many organic molecules?

calcium

magnesium

oxygen

silicon

C

1,457

NYSEDREGENTS_2006_4_9

Which object is the best conductor of electricity?

metal fork

rubber boot

plastic spoon

wooden bat

A

1,458

Mercury_7032655

An element with which property would be best to use in electrical wiring?

insulator

conductor

malleable

porous

B

1,459

MSA_2013_5_12

A large rock breaks into small pieces within 10 years. Which process is most likely responsible for breaking the large rock into small pieces within 10 years?

steady winds blowing throughout the years

gentle rain falling during each spring and fall

lack of rain falling during a four-year drought

water repeatedly freezing and thawing in a crack

D

1,460

Mercury_SC_407787

Paco throws a ball. What force pulls the ball down toward the ground?

friction

gravity

inertia

momentum

B

1,461

Mercury_SC_401289

Which is a unit of measure for length?

meters

degrees

milliliters

atmospheres

A

1,462

NYSEDREGENTS_2005_8_5

Movement of Earth's crust along plate boundaries produces

fronts

tides

hurricanes

earthquakes

D

1,463

Mercury_7107958

The praying mantis is well camouflaged in its natural habitat. What is a benefit of this adaptation?

It increases the mutation rate of favorable genes.

It reduces the risk of being eaten by a predator.

It allows absorption of chlorophyll from plants.

It improves the chances of finding a mate.

B

1,464

Mercury_7212415

The Greek philosopher Aristotle described matter with the phrase "unable to be divided." The modern concept that grew from Aristotle's idea is the

atom.

proton.

neutron.

electron.

A

1,465

MSA_2015_5_39

Paleontologists often find and study the remains of ancient plants and animals. When the remains of ancient plants and animals are covered by layers of sediment over time, the remains

melt

dissolve

become a fossil

evaporate into vapor

C

1,466

MCAS_2006_8_2

What are the basic structural units of living organisms?

cells

nuclei

organs

tissues

A

1,467

Mercury_7086135

A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds of miles from the ocean. The fossils best indicate that

this area was once below sea level.

global temperature changed over time.

erosion took place after a flood.

volcanic activity affected the area.

A

1,468

NCEOGA_2013_5_47

What happens to metal railroad tracks during the heat of a summer day?

decrease in weight

increase in weight

decrease in length

increase in length

D

1,469

Mercury_7191590

Jake is testing how light affects plant growth. He grows two plants in identical pots with the same amount of water and fertilizer. Jake grows one of the plants in the sun, and the other in the shade. Which part of Jake's process indicates that there is a control for this investigation?

He is growing plants in identical pots.

He is using the same amount of water.

He is growing one plant out of the sun.

He is using the same amount of fertilizer.

C

1,470

Mercury_SC_400043

Which stage of a frog's life cycle can be compared to a plant seed growing into a new plant?

when frog eggs are laid in water

when frog eggs hatch into tadpoles

when tadpoles live in water and breathe with gills

when frogs use lungs for breathing out of water

B

1,471

Mercury_7264075

Which of these elements is likely to be found in an organic compound?

helium

hydrogen

mercury

tin

B

1,472

Mercury_7249498

What statement describes what happens to the carbon dioxide waste produced by a developing baby during pregnancy?

It is carried by the umbilical cord to the placenta and then to the mother's blood.

It is released from the fetus by its breathing and then is absorbed by the placenta.

It is released through the fetal urine and then exits through the umbilical cord.

It is carried through shared blood vessels and then to the mother's lungs.

A

1,473

Mercury_7082775

Which part of the atom has a negative charge?

neutron

nucleus

electron

proton

C

1,474

Mercury_SC_415347

Which is a learned behavior?

A dog uses its tongue to drink.

A robin holds a branch with its feet.

A chimpanzee digs for termites with a stick.

A worm moves to the top of flooded ground.

C

1,475

Mercury_406774

Organisms that reproduce asexually generally have offspring that are

unicellular.

multicellular.

genetically varied.

genetically identical.

D

1,476

TAKS_2009_5_39

Crows are found throughout many parts of the world. They are black birds with excellent hearing. In the wild they live for six to seven years. Some crows in Japan open hard-shelled nuts by dropping them in front of moving cars. Which of these is a learned behavior?

Having excellent hearing

Living six to seven years

Dropping nuts in front of cars

Having black feathers

C

1,477

Mercury_SC_401625

Which object would best help a student determine if a block of an unknown material is magnetic?

wooden ruler

paper clip

glass marble

magnifying glass

B

1,478

OHAT_2007_5_23

About how much of Earth's surface is covered by oceans?

less than 20%

about 50%

about 70%

more than 90%

C

1,479

NYSEDREGENTS_2011_8_42

Sound will not travel in a

solid

liquid

gas

vacuum

D

1,480

Mercury_SC_407452

What supplies most of the energy that plants need to make food?

rain

wind

minerals

sunlight

D