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
1,581	Mercury_7206885	Some meteorologists use visual aids such as diagrams, maps, and charts when they present the weather to television viewers. How do different types of visual aids help the viewers understand complex weather phenomena?	by combining knowledge from past reports with new information	by providing information collected by other meteorologists	by checking the accuracy of each part of the weather report	by showing many components that impact the weather	D
1,582	Mercury_7071925	Which renewable energy resource possesses the greatest potential for providing renewable energy to meet the future needs of the southern United States?	tidal	water	solar	coal	C
1,583	Mercury_7011043	A student performs an experiment and the results are shown below: Before- Iron filings are brown, small, and magnetic: Copper sulfate crystals are blue, brittle, and not magnetic. After- The copper formed was reddish, solid, and not magnetic: Iron sulfide solution was colorless and not magnetic. Which statement supports that a chemical reaction took place?	Changes in color occurred.	A new substance was formed.	A physical change in the iron occurred.	The original substances were present after.	B
1,584	Mercury_7090545	In order for rocks to be classified as igneous, the rocks must	solidify at the surface of Earth.	be eroded and deposited in layers.	be formed from magma.	change form when pressure is applied.	C
1,585	Mercury_406548	Which of these is most likely the cause of a father and son having almost identical-sounding voices?	learned behaviors	environmental conditions	inherited characteristics	instinctive characteristics	C
1,586	Mercury_SC_400597	Frog eggs hatch into tadpoles, and then tadpoles gradually develop into frogs. This process is known as	adolescence.	crossbreeding.	regeneration.	metamorphosis.	D
1,587	MCAS_1999_4_30	Many people like to use microwave ovens rather than traditional ovens. The main reason for this is that microwave ovens	take less time to cook food than regular ovens do.	get hotter than regular ovens.	do not leave spattered grease or food on the inside.	cannot overcook food.	A
1,588	Mercury_7168280	When trees are removed from an area in a tropical rainforest, the area experiences an increase in soil erosion. Which statement best explains why removing the trees can lead to soil erosion?	Less bedrock will be available to make soil.	There will be fewer roots to hold the soil in place.	The number of soil-eating insects in the area will increase.	The amount of solar radiation reaching the ground will increase.	B
1,589	MEA_2013_5_6	What information is needed to calculate the speed of a car?	the road conditions and type of tires	the type of engine and the amount of gas used by the engine	the car length and distance traveled	the distance travel	D
1,590	MCAS_2003_5_11	Freda always hangs her wet swimsuit outdoors after getting out of the swimming pool. Which of the following is least likely to affect the rate at which Freda's swimsuit dries?	the heat of the Sun	the speed of the wind	the temperature of the water in the pool	the amount of water vapor in the air	C
1,591	TIMSS_1995_8_I15	Maria collected the gas given off by a glowing piece of charcoal. The gas was then bubbled through a small amount of colorless limewater. Part of Maria's report stated, "After the gas was put into the jar, the limewater gradually changed to a milky white color." This statement is	an observation	a conclusion	a generalization	an assumption of the investigation	A
1,592	NYSEDREGENTS_2009_4_27	Some butterflies live an average of two weeks. This period of time is called a life	process	span	change	cycle	B
1,593	MCAS_2003_8_34	Which two body systems work together to transport oxygen to the cells?	skeletal and respiratory	digestive and respiratory	respiratory and circulatory	respiratory and reproductive	C
1,594	Mercury_7235655	Some localized layers of rock contain the element iridium. Iridium is most often found in space objects such as meteoroids and asteroids. The discovery of these iridium-containing layers has been matched to which phenomena in Earth's history?	tectonic plate separations	mass species extinctions	orbital path changes	magnetic pole reversals	B
1,595	Mercury_SC_401830	Which of these converts electrical energy to light energy?	a star	a flashlight	a campfire	a tea kettle	B
1,596	Mercury_SC_401676	Darwin's theory that animal species can change over time was inspired by his research on which set of islands?	the Philippine Islands	the Virgin Islands	the Hawaiian Islands	the Galapagos Islands	D
1,597	Mercury_7186813	An athlete is running a race. The athlete's body needs energy. Which organelle(s) in the athlete's cells supply the energy for cellular functions?	Golgi apparatus	mitochondrion	ribosome	nucleus	B
1,598	Mercury_SC_406712	Which of these would best help a scientist discover a new planet?	making a model of outer space	asking questions to other scientists	collecting information about planets	looking at the night sky with a telescope	D
1,599	VASoL_2009_3_3	Which of these lists has only products that come from plants?	Paper, spices, and fibers	Wool, lumber, and butter	Medicines, leather, and milk	Cotton, rubber, and eggs	A
1,600	Mercury_7267890	Why is some food dehydrated for astronauts to eat in space?	to make the food less messy to eat	to preserve the food for extended flights	to increase the food's nutritional content	to keep the food from floating off the plate	B
1,601	MCAS_2006_9_15	Perfume sprayed from a bottle spreads more easily in a warm room of 25°C than in a cool room of 15°C. Which of the following correctly compares perfume molecules at 25°C to those at 15°C?	At 25°C, they have more mass.	At 25°C, they are moving faster.	At 25°C, they have less kinetic energy.	At 25°C, they are decreasing in volume.	B
1,602	Mercury_182123	Which of the following is believed to be one cause of global warming?	atmospheric rise of carbon dioxide	hot air from air conditioner exhaust	methane gas escaping from landfills	body heat generated by overpopulation	A
1,603	Mercury_SC_402285	What product was being formed as plants died and sank to the bottom of swamps?	oil	gas	coal	shale	C
1,604	Mercury_SC_400176	What is the approximate length of time it takes the Moon to complete one lunar cycle?	14 days	29 days	180 days	365 days	B
1,605	Mercury_7206360	A line graph is best used when the measured variable is	changing at a constant rate.	nearly equal in several trials.	being compared to a control.	observed at one point in time.	A
1,606	MDSA_2008_5_28	All living things need energy to survive. What is the primary source of energy for all living things?	plants	the sun	water	the wind	B
1,607	NCEOGA_2013_8_23	If a chemical reaction such as photosynthesis begins with 6 atoms of carbon [C], how many atoms of carbon [C] should be in the products?	12 atoms of carbon [C]	6 atoms of carbon [C]	3 atoms of carbon [C]	2 atoms of carbon [C]	B
1,608	Mercury_SC_401167	Which object refracts light?	mirror	silver spoon	foil	glass prism	D
1,609	Mercury_7213693	A gastroenterologist is a doctor who treats problems of the esophagus, stomach, and intestines. Which organ system is cared for by this type of doctor?	circulatory system	muscular system	digestive system	nervous system	C
1,610	Mercury_7267558	Which event becomes more likely during a drought in a prairie ecosystem?	fire	tornado	landslide	earthquake	A
1,611	Mercury_7081235	When scientists publish papers describing the results and conclusions of their experiments, members of the scientific community should	collect their own data and rewrite the paper.	evaluate the evidence in the paper.	accept the paper as fact.	ask the writer to write an alternate paper.	B
1,612	Mercury_SC_408290	Kim lost her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?	chemical	electrical	thermal	physical	A
1,613	Mercury_7032918	Which human activity has most negatively affected air quality?	burning coal	growing crops	using solar energy cells	constructing nuclear power plants	A
1,614	MCAS_2009_8_7	Most of the bacteria in a forest ecosystem are best classified as which of the following types of organisms?	consumers	decomposers	predators	producers	B
1,615	NCEOGA_2013_5_41	A pencil falls off of a desk. What moves the pencil toward the floor?	mass	friction	gravity	speed	C
1,616	MCAS_2006_5_8	All of the processes listed below cause changes in Earth's surface. Which of the following is the slowest to change Earth's surface?	earthquake activity	landslide	volcanic eruption	weathering	D
1,617	VASoL_2007_5_18	A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was	a conclusion	a fact	an observation	a prediction	D
1,618	VASoL_2009_5_33	What tool is used to determine the mass of an object?	Balance	Meter stick	Thermometer	Graduated cylinder	A
1,619	Mercury_7034860	According to the Periodic Table of the Elements, mercury (Hg) is different from other metals because mercury is	solid at room temperature.	liquid at room temperature.	lighter than all other metals.	heavier than all other metals.	B
1,620	Mercury_7016713	When using more than the recommended amounts of pesticide on farmland, yards, and gardens, what is most likely to occur?	Higher levels of pesticide may be less effective.	The pesticides may break down quickly.	Water supplies can be contaminated by pesticide runoff.	The pesticide will increase the plant production.	C
1,621	Mercury_7241098	According to the fossil record, when did episodes of rapid speciation commonly take place?	while Earth's continents were joined	while Earth's habitats were stable	before major climatic changes	following mass extinctions	D
1,622	Mercury_SC_408656	A deer inherits some of its features from its parents. Other features come from its environment. Which feature would a deer most likely inherit from its parents?	a long scar	brown eyes	missing teeth	a broken antler	B
1,623	ACTAAP_2008_7_12	What is the smallest structural and functional unit of the nervous system?	brain	organ	neuron	spinal cord	C
1,624	Mercury_182438	Male peacocks have large brightly colored tail feathers. What is the most likely reason for this?	to attract potential mates	to distract potential predators	to help catch food	to preserve warmth	A
1,625	MCAS_2005_5_16	In a city, the daily high and low 16 temperatures for a month are best represented by which of the following?	flow chart	line graph	pictograph	pie chart	B
1,626	Mercury_7159198	Drew was measuring the growth of a vine that can grow almost 31 cm a day. Which would be the best way to record his data of the growth over a period of a day?	a bar graph	a line graph	a pie graph	a picture graph	B
1,627	Mercury_7216230	All of the following are functions of a cell membrane except	surrounding and protecting the contents of the cell.	releasing waste products from the cell.	producing energy for cell processes.	allowing gases to enter the cell.	C
1,628	Mercury_401597	Which characteristic will a baby chimpanzee inherit from its parents?	fur color	hunting skills	feeding behavior	sleeping routine	A
1,629	NYSEDREGENTS_2004_4_6	Which object is the best conductor of electricity?	a wax crayon	a plastic spoon	a rubber eraser	an iron nail	D
1,630	MCAS_2001_5_17	Why are some rocks smoother and rounder than others?	They have the shapes of the minerals from which they are made.	They were smoothed by the action of wind and water.	They were squeezed up through the soil.	They hardened in rounded pockets of soil.	B
1,631	Mercury_SC_408861	A vaccine can prevent a serious disease. When a new vaccine is developed, it is given to a small group of people. Why would it be important to test each vaccine on a small group of people before everyone can have one?	to figure out how much the vaccine is worth	to determine how the vaccine will affect people	to understand how that disease affects the human body	to find out how many people are affected by the disease	B
1,632	Mercury_SC_415423	When can producers make the most food?	summer, because there is more sunlight	summer, because there is more heat	spring, because there is more rain	spring, because there are more leaves	A
1,633	Mercury_SC_409583	Plants have special tissues that transport food, water, and minerals throughout the plant. What are these tissues similar to in animals?	stomach and intestines	spinal cord and brain	arteries and veins	kidneys and liver	C
1,634	MCAS_2015_5_4	Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils?	Decomposition adds silt to soil.	Decomposition adds water to soil.	Decomposition adds oxygen to soil.	Decomposition adds nutrients to soil.	D
1,635	NAEP_2000_4_S21+3	Beans and coal both have stored energy. Where did the energy come from that is stored in beans and coal?	From the Earth's gravity	From the Sun's light	From the heat in the Earth's core	From the air's carbon dioxide	B
1,636	Mercury_7234693	A metal ball has a constant velocity of zero. Which other quantity must also be zero?	weight of the ball	energy of the ball	acceleration of the ball	inertia of the ball	C
1,637	Mercury_7043855	What geographic obstacle causes water to condense in an air mass as the air mass moves?	forests	oceans	prairies	mountains	D
1,638	NYSEDREGENTS_2007_4_1	If an object is attracted to a magnet, the object is most likely made of	wood	plastic	cardboard	metal	D
1,639	OHAT_2011_5_33	Which explains the pattern of day and night?	Earth orbits the sun.	Earth spins on its axis.	The sun only transmits light energy during the daytime.	The sun only transmits light energy above the equator.	B
1,640	Mercury_405064	Which is the best plan to make the fossil fuel supply last longer?	mine more coal	reduce car pollution	produce more gasoline	reduce electricity use	D
1,641	Mercury_7180338	The stages of evolution of a star are determined by the mass of the star at the beginning of its life cycle. Which stage of evolution is the oldest form of a massive star?	red giant	supernova	neutron star	white dwarf	C
1,642	Mercury_7206080	Which of these best indicates that sediments can be changed into rock?	layers of sandstone	igneous intrusions	lava beds	mountains with gneiss	A
1,643	Mercury_7234570	Carbon cycles through several Earth subsystems. Which sequence most directly leads to the cycling of carbon that can result in the formation of petroleum?	biosphere to lithosphere	atmosphere to lithosphere	hydrosphere to atmosphere	biosphere to atmosphere	A
1,644	Mercury_7234640	Which word best describes the speed of a cart that has a positive velocity and a negative acceleration?	slow	fast	decreasing	increasing	C
1,645	Mercury_7162645	A hurricane is a heat engine which converts one kind of energy into another. Hurricanes convert most of the heat energy into	chemical energy.	electrical energy.	mechanical energy.	potential energy.	C
1,646	Mercury_7233450	Which of the following is a crucial piece of evidence supporting scientists' theory of how the continents and the ocean basins formed?	Gravitational forces result in the fusion of small atoms.	A differentiated iron core expresses magnetic properties.	Currents redistribute heat in an unevenly heated liquid.	A stream of charged ions disperses lightweight gases.	C
1,647	NYSEDREGENTS_2007_4_5	What motion causes day and night?	revolution of Earth	revolution of the Moon	rotation of Earth	rotation of the Moon	C
1,648	Mercury_7181580	The axis of Earth is tilted at an angle of 23.5° from the vertical position. Which of the following is the main result of this tilt?	tides	eclipses	length of year	change of seasons	D
1,649	Mercury_7008978	In an earthquake, the primary waves move through	air	water	soil	rock	D
1,650	TIMSS_2011_8_pg87	Which of the following is the major cause of tides?	heating of the oceans by the Sun	gravitational pull of the Moon	earthquakes on the ocean floor	changes in wind direction	B
1,651	NYSEDREGENTS_2005_4_12	A dog opens its mouth and lets its tongue hang out. A human's body produces sweat. These are two ways that organisms may adjust to	cold temperatures	hot temperatures	a shortage of food	a shortage of drinking water	B
1,652	Mercury_7128590	Fires in forests from lightning rid the forest of dead branches and leaves. If the trees survive and the soil remains intact, the forest will experience regrowth to its climax state by which process?	tropism	succession	gradualism	eutrophication	B
1,653	Mercury_SC_409670	A class planted trees and shrubs in an empty dirt lot beside the school. The roots of the plants can help protect the soil. The soil is most likely being protected from what?	a drought	wind erosion	an earthquake	water pollution	B
1,654	Mercury_7064505	In the process of photosynthesis, sunlight is converted into	chemical energy.	nuclear energy.	mechanical energy.	kinetic energy.	A
1,655	Mercury_7268170	Vascular plants have tissue called xylem. Which of these is transported by the xylem?	food made by the plant	water needed by the plant	pollen for plant reproduction	carbon dioxide for photosynthesis	B
1,656	ACTAAP_2009_5_11	If Lisa wants to experiment with bean plants, which of these is the best example of a hypothesis?	Bean plants come in many types.	Fertilizer is good for bean plants.	All bean plants are related to each other.	Fertilizer will make bean plants grow taller.	D
1,657	Mercury_SC_406071	A jeweler melts gold to make jewelry. As the gold melts, the mass	increases.	decreases.	is destroyed.	stays the same.	D
1,658	MCAS_2007_8_5185	Which of the following tools is most useful for tightening a small mechanical fastener?	chisel	pliers	sander	saw	B
1,659	Mercury_7269115	Oil, coal, and natural gas are fossil fuels formed under what conditions?	low temperature and high pressure	high temperature and high pressure	low temperature and low pressure	high temperature and low pressure	B
1,660	NYSEDREGENTS_2016_4_3	Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds	fly south	find food	protect their young	survive the winter	C
1,661	NYSEDREGENTS_2006_4_5	Which tool is used to measure the volume of a liquid?	balance	ruler	thermometer	graduated cylinder	D
1,662	NYSEDREGENTS_2004_4_11	The functions of a plant's roots are to support the plant and	make food	produce fruit	take in water and nutrients	aid in germination	C
1,663	Mercury_406730	All of the inherited traits that are passed to offspring during asexual reproduction come from a single	egg.	sperm.	virus.	parent.	D
1,664	MCAS_2003_8_3	What energy transformation occurs when an electric lamp is turned on?	electrical energy to light and heat energy	light energy to electrical and mechanical energy	heat energy to electrical and light energy	electrical energy to mechanical and heat energy	A
1,665	Mercury_7218715	Which phase change in the atmosphere forms clouds?	evaporation	freezing	condensation	melting	C
1,666	Mercury_7274330	Where are the most reactive nonmetals located on the periodic table?	the uppermost complete row of the table	the rows at the bottom of the table connecting two sections	the column at the far left side of the table	the second column from the right side of the table	D
1,667	Mercury_SC_401808	Who was a leading authority on continental drift in the early 1900s?	Alfred Wegener	Albert Einstein	Charles Richter	Charles Darwin	A
1,668	NYSEDREGENTS_2006_8_3	In addition to oxygen, which gases make up the largest percentage of Earth's atmosphere?	hydrogen, helium, and water vapor	hydrogen, methane, and ozone	carbon dioxide, water vapor, and nitrogen	carbon dioxide, methane, and helium	C
1,669	AKDE&ED_2012_4_31	For many years, people have been curious about the stars. In the past, people have shared what they knew about the stars through stories and drawings. Which pair of tools would be most helpful for people today to gather and share information about stars?	a notebook and a calculator	a telescope and a computer	a calculator and a microscope	a microscope and a telescope	B
1,670	Mercury_7163888	During a presentation on astronomy, Professor Williams discussed various measurements in space. Which objects was she referring to when she talked about how astronomical units (AU) were determined?	the Sun and Earth	the Moon and Earth	the inner and outer planets	the Sun and the closest star	A
1,671	NCEOGA_2013_5_54	As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?	tropical storms	increase in predators	habitat loss	warmer temperatures	C
1,672	Mercury_SC_400605	The skin of a chameleon can change colors to help it blend with its surroundings. How would this adaptation most likely help a chameleon survive?	by scaring predators away from the chameleon	by attracting prey animals to the chameleon	by sending a signal to other chameleons	by helping the chameleon hide from its predators	D
1,673	Mercury_7120715	A student examines a new watch design. The watch has a small solar cell on its face. The main function of the solar cell is to	reduce the cost of the watch.	provide an energy source for the watch.	make the watch more attractive.	stop the watch from speeding up.	B
1,674	MCAS_2008_8_5715	The presence of which of the following geological features provides the best evidence that glaciers once covered an area?	wide riverbeds	U-shaped valleys	underground caves	groundwater springs	B
1,675	VASoL_2010_5_24	Which of these is a way the people of Virginia can help restore a natural ecosystem?	Burn their trash	Plant native plants	Feed leftover meals to deer	Drain automobile oil into the grass	B
1,676	Mercury_SC_400029	A student wants to figure out how many calories are needed to perform various activities. A list of some everyday activities is made, and the number of calories burned during each activity is recorded. Which method is the best way for the student to display and evaluate the information?	write a paragraph	make a line graph	develop a formula	create a table	D
1,677	Mercury_7086730	Sedimentary deposits formed from organic material tend to include a high amount of	iron.	nickel.	carbon.	silicon.	C
1,678	Mercury_7016100	According to the Big Bang Theory, which element most likely formed first?	carbon dioxide	hydrogen	oxygen	nitrogen	B
1,679	Mercury_SC_408364	Tim and Carla play catch with a ball. Which term describes the motion of a ball?	shape	size	speed	weight	C
1,680	Mercury_SC_401368	Which set of equipment would be best to use when investigating what is found in a sample of pond water?	net, gloves, specimen bags	beaker, calculator, graph paper	microscope, eye dropper, slides	measuring tape, thermometer, clipboard	C

1,581

Mercury_7206885

Some meteorologists use visual aids such as diagrams, maps, and charts when they present the weather to television viewers. How do different types of visual aids help the viewers understand complex weather phenomena?

by combining knowledge from past reports with new information

by providing information collected by other meteorologists

by checking the accuracy of each part of the weather report

by showing many components that impact the weather

D

1,582

Mercury_7071925

Which renewable energy resource possesses the greatest potential for providing renewable energy to meet the future needs of the southern United States?

tidal

water

solar

coal

C

1,583

Mercury_7011043

A student performs an experiment and the results are shown below: Before- Iron filings are brown, small, and magnetic: Copper sulfate crystals are blue, brittle, and not magnetic. After- The copper formed was reddish, solid, and not magnetic: Iron sulfide solution was colorless and not magnetic. Which statement supports that a chemical reaction took place?

Changes in color occurred.

A new substance was formed.

A physical change in the iron occurred.

The original substances were present after.

B

1,584

Mercury_7090545

In order for rocks to be classified as igneous, the rocks must

solidify at the surface of Earth.

be eroded and deposited in layers.

be formed from magma.

change form when pressure is applied.

C

1,585

Mercury_406548

Which of these is most likely the cause of a father and son having almost identical-sounding voices?

learned behaviors

environmental conditions

inherited characteristics

instinctive characteristics

C

1,586

Mercury_SC_400597

Frog eggs hatch into tadpoles, and then tadpoles gradually develop into frogs. This process is known as

adolescence.

crossbreeding.

regeneration.

metamorphosis.

D

1,587

MCAS_1999_4_30

Many people like to use microwave ovens rather than traditional ovens. The main reason for this is that microwave ovens

take less time to cook food than regular ovens do.

get hotter than regular ovens.

do not leave spattered grease or food on the inside.

cannot overcook food.

A

1,588

Mercury_7168280

When trees are removed from an area in a tropical rainforest, the area experiences an increase in soil erosion. Which statement best explains why removing the trees can lead to soil erosion?

Less bedrock will be available to make soil.

There will be fewer roots to hold the soil in place.

The number of soil-eating insects in the area will increase.

The amount of solar radiation reaching the ground will increase.

B

1,589

MEA_2013_5_6

What information is needed to calculate the speed of a car?

the road conditions and type of tires

the type of engine and the amount of gas used by the engine

the car length and distance traveled

the distance travel

D

1,590

MCAS_2003_5_11

Freda always hangs her wet swimsuit outdoors after getting out of the swimming pool. Which of the following is least likely to affect the rate at which Freda's swimsuit dries?

the heat of the Sun

the speed of the wind

the temperature of the water in the pool

the amount of water vapor in the air

C

1,591

TIMSS_1995_8_I15

Maria collected the gas given off by a glowing piece of charcoal. The gas was then bubbled through a small amount of colorless limewater. Part of Maria's report stated, "After the gas was put into the jar, the limewater gradually changed to a milky white color." This statement is

an observation

a conclusion

a generalization

an assumption of the investigation

A

1,592

NYSEDREGENTS_2009_4_27

Some butterflies live an average of two weeks. This period of time is called a life

process

span

change

cycle

B

1,593

MCAS_2003_8_34

Which two body systems work together to transport oxygen to the cells?

skeletal and respiratory

digestive and respiratory

respiratory and circulatory

respiratory and reproductive

C

1,594

Mercury_7235655

Some localized layers of rock contain the element iridium. Iridium is most often found in space objects such as meteoroids and asteroids. The discovery of these iridium-containing layers has been matched to which phenomena in Earth's history?

tectonic plate separations

mass species extinctions

orbital path changes

magnetic pole reversals

B

1,595

Mercury_SC_401830

Which of these converts electrical energy to light energy?

a star

a flashlight

a campfire

a tea kettle

B

1,596

Mercury_SC_401676

Darwin's theory that animal species can change over time was inspired by his research on which set of islands?

the Philippine Islands

the Virgin Islands

the Hawaiian Islands

the Galapagos Islands

D

1,597

Mercury_7186813

An athlete is running a race. The athlete's body needs energy. Which organelle(s) in the athlete's cells supply the energy for cellular functions?

Golgi apparatus

mitochondrion

ribosome

nucleus

B

1,598

Mercury_SC_406712

Which of these would best help a scientist discover a new planet?

making a model of outer space

asking questions to other scientists

collecting information about planets

looking at the night sky with a telescope

D

1,599

VASoL_2009_3_3

Which of these lists has only products that come from plants?

Paper, spices, and fibers

Wool, lumber, and butter

Medicines, leather, and milk

Cotton, rubber, and eggs

A

1,600

Mercury_7267890

Why is some food dehydrated for astronauts to eat in space?

to make the food less messy to eat

to preserve the food for extended flights

to increase the food's nutritional content

to keep the food from floating off the plate

B

1,601

MCAS_2006_9_15

Perfume sprayed from a bottle spreads more easily in a warm room of 25°C than in a cool room of 15°C. Which of the following correctly compares perfume molecules at 25°C to those at 15°C?

At 25°C, they have more mass.

At 25°C, they are moving faster.

At 25°C, they have less kinetic energy.

At 25°C, they are decreasing in volume.

B

1,602

Mercury_182123

Which of the following is believed to be one cause of global warming?

atmospheric rise of carbon dioxide

hot air from air conditioner exhaust

methane gas escaping from landfills

body heat generated by overpopulation

A

1,603

Mercury_SC_402285

What product was being formed as plants died and sank to the bottom of swamps?

oil

gas

coal

shale

C

1,604

Mercury_SC_400176

What is the approximate length of time it takes the Moon to complete one lunar cycle?

14 days

29 days

180 days

365 days

B

1,605

Mercury_7206360

A line graph is best used when the measured variable is

changing at a constant rate.

nearly equal in several trials.

being compared to a control.

observed at one point in time.

A

1,606

MDSA_2008_5_28

All living things need energy to survive. What is the primary source of energy for all living things?

plants

the sun

water

the wind

B

1,607

NCEOGA_2013_8_23

If a chemical reaction such as photosynthesis begins with 6 atoms of carbon [C], how many atoms of carbon [C] should be in the products?

12 atoms of carbon [C]

6 atoms of carbon [C]

3 atoms of carbon [C]

2 atoms of carbon [C]

B

1,608

Mercury_SC_401167

Which object refracts light?

mirror

silver spoon

foil

glass prism

D

1,609

Mercury_7213693

A gastroenterologist is a doctor who treats problems of the esophagus, stomach, and intestines. Which organ system is cared for by this type of doctor?

circulatory system

muscular system

digestive system

nervous system

C

1,610

Mercury_7267558

Which event becomes more likely during a drought in a prairie ecosystem?

fire

tornado

landslide

earthquake

A

1,611

Mercury_7081235

When scientists publish papers describing the results and conclusions of their experiments, members of the scientific community should

collect their own data and rewrite the paper.

evaluate the evidence in the paper.

accept the paper as fact.

ask the writer to write an alternate paper.

B

1,612

Mercury_SC_408290

Kim lost her hammer outside. When she found it a few months later, some parts of the metal were covered with flaky, brown rust. Which type of change occurred when rust formed on the hammer?

chemical

electrical

thermal

physical

A

1,613

Mercury_7032918

Which human activity has most negatively affected air quality?

burning coal

growing crops

using solar energy cells

constructing nuclear power plants

A

1,614

MCAS_2009_8_7

Most of the bacteria in a forest ecosystem are best classified as which of the following types of organisms?

consumers

decomposers

predators

producers

B

1,615

NCEOGA_2013_5_41

A pencil falls off of a desk. What moves the pencil toward the floor?

mass

friction

gravity

speed

C

1,616

MCAS_2006_5_8

All of the processes listed below cause changes in Earth's surface. Which of the following is the slowest to change Earth's surface?

earthquake activity

landslide

volcanic eruption

weathering

D

1,617

VASoL_2007_5_18

A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was

a conclusion

a fact

an observation

a prediction

D

1,618

VASoL_2009_5_33

What tool is used to determine the mass of an object?

Balance

Meter stick

Thermometer

Graduated cylinder

A

1,619

Mercury_7034860

According to the Periodic Table of the Elements, mercury (Hg) is different from other metals because mercury is

solid at room temperature.

liquid at room temperature.

lighter than all other metals.

heavier than all other metals.

B

1,620

Mercury_7016713

When using more than the recommended amounts of pesticide on farmland, yards, and gardens, what is most likely to occur?

Higher levels of pesticide may be less effective.

The pesticides may break down quickly.

Water supplies can be contaminated by pesticide runoff.

The pesticide will increase the plant production.

C

1,621

Mercury_7241098

According to the fossil record, when did episodes of rapid speciation commonly take place?

while Earth's continents were joined

while Earth's habitats were stable

before major climatic changes

following mass extinctions

D

1,622

Mercury_SC_408656

A deer inherits some of its features from its parents. Other features come from its environment. Which feature would a deer most likely inherit from its parents?

a long scar

brown eyes

missing teeth

a broken antler

B

1,623

ACTAAP_2008_7_12

What is the smallest structural and functional unit of the nervous system?

brain

organ

neuron

spinal cord

C

1,624

Mercury_182438

Male peacocks have large brightly colored tail feathers. What is the most likely reason for this?

to attract potential mates

to distract potential predators

to help catch food

to preserve warmth

A

1,625

MCAS_2005_5_16

In a city, the daily high and low 16 temperatures for a month are best represented by which of the following?

flow chart

line graph

pictograph

pie chart

B

1,626

Mercury_7159198

Drew was measuring the growth of a vine that can grow almost 31 cm a day. Which would be the best way to record his data of the growth over a period of a day?

a bar graph

a line graph

a pie graph

a picture graph

B

1,627

Mercury_7216230

All of the following are functions of a cell membrane except

surrounding and protecting the contents of the cell.

releasing waste products from the cell.

producing energy for cell processes.

allowing gases to enter the cell.

C

1,628

Mercury_401597

Which characteristic will a baby chimpanzee inherit from its parents?

fur color

hunting skills

feeding behavior

sleeping routine

A

1,629

NYSEDREGENTS_2004_4_6

Which object is the best conductor of electricity?

a wax crayon

a plastic spoon

a rubber eraser

an iron nail

D

1,630

MCAS_2001_5_17

Why are some rocks smoother and rounder than others?

They have the shapes of the minerals from which they are made.

They were smoothed by the action of wind and water.

They were squeezed up through the soil.

They hardened in rounded pockets of soil.

B

1,631

Mercury_SC_408861

A vaccine can prevent a serious disease. When a new vaccine is developed, it is given to a small group of people. Why would it be important to test each vaccine on a small group of people before everyone can have one?

to figure out how much the vaccine is worth

to determine how the vaccine will affect people

to understand how that disease affects the human body

to find out how many people are affected by the disease

B

1,632

Mercury_SC_415423

When can producers make the most food?

summer, because there is more sunlight

summer, because there is more heat

spring, because there is more rain

spring, because there are more leaves

A

1,633

Mercury_SC_409583

Plants have special tissues that transport food, water, and minerals throughout the plant. What are these tissues similar to in animals?

stomach and intestines

spinal cord and brain

arteries and veins

kidneys and liver

C

1,634

MCAS_2015_5_4

Which of the following statements best explains how the decomposition of plant and animal matter helps to form rich soils?

Decomposition adds silt to soil.

Decomposition adds water to soil.

Decomposition adds oxygen to soil.

Decomposition adds nutrients to soil.

D

1,635

NAEP_2000_4_S21+3

Beans and coal both have stored energy. Where did the energy come from that is stored in beans and coal?

From the Earth's gravity

From the Sun's light

From the heat in the Earth's core

From the air's carbon dioxide

B

1,636

Mercury_7234693

A metal ball has a constant velocity of zero. Which other quantity must also be zero?

weight of the ball

energy of the ball

acceleration of the ball

inertia of the ball

C

1,637

Mercury_7043855

What geographic obstacle causes water to condense in an air mass as the air mass moves?

forests

oceans

prairies

mountains

D

1,638

NYSEDREGENTS_2007_4_1

If an object is attracted to a magnet, the object is most likely made of

wood

plastic

cardboard

metal

D

1,639

OHAT_2011_5_33

Which explains the pattern of day and night?

Earth orbits the sun.

Earth spins on its axis.

The sun only transmits light energy during the daytime.

The sun only transmits light energy above the equator.

B

1,640

Mercury_405064

Which is the best plan to make the fossil fuel supply last longer?

mine more coal

reduce car pollution

produce more gasoline

reduce electricity use

D

1,641

Mercury_7180338

The stages of evolution of a star are determined by the mass of the star at the beginning of its life cycle. Which stage of evolution is the oldest form of a massive star?

red giant

supernova

neutron star

white dwarf

C

1,642

Mercury_7206080

Which of these best indicates that sediments can be changed into rock?

layers of sandstone

igneous intrusions

lava beds

mountains with gneiss

A

1,643

Mercury_7234570

Carbon cycles through several Earth subsystems. Which sequence most directly leads to the cycling of carbon that can result in the formation of petroleum?

biosphere to lithosphere

atmosphere to lithosphere

hydrosphere to atmosphere

biosphere to atmosphere

A

1,644

Mercury_7234640

Which word best describes the speed of a cart that has a positive velocity and a negative acceleration?

slow

fast

decreasing

increasing

C

1,645

Mercury_7162645

A hurricane is a heat engine which converts one kind of energy into another. Hurricanes convert most of the heat energy into

chemical energy.

electrical energy.

mechanical energy.

potential energy.

C

1,646

Mercury_7233450

Which of the following is a crucial piece of evidence supporting scientists' theory of how the continents and the ocean basins formed?

Gravitational forces result in the fusion of small atoms.

A differentiated iron core expresses magnetic properties.

Currents redistribute heat in an unevenly heated liquid.

A stream of charged ions disperses lightweight gases.

C

1,647

NYSEDREGENTS_2007_4_5

What motion causes day and night?

revolution of Earth

revolution of the Moon

rotation of Earth

rotation of the Moon

C

1,648

Mercury_7181580

The axis of Earth is tilted at an angle of 23.5° from the vertical position. Which of the following is the main result of this tilt?

tides

eclipses

length of year

change of seasons

D

1,649

Mercury_7008978

In an earthquake, the primary waves move through

air

water

soil

rock

D

1,650

TIMSS_2011_8_pg87

Which of the following is the major cause of tides?

heating of the oceans by the Sun

gravitational pull of the Moon

earthquakes on the ocean floor

changes in wind direction

B

1,651

NYSEDREGENTS_2005_4_12

A dog opens its mouth and lets its tongue hang out. A human's body produces sweat. These are two ways that organisms may adjust to

cold temperatures

hot temperatures

a shortage of food

a shortage of drinking water

B

1,652

Mercury_7128590

Fires in forests from lightning rid the forest of dead branches and leaves. If the trees survive and the soil remains intact, the forest will experience regrowth to its climax state by which process?

tropism

succession

gradualism

eutrophication

B

1,653

Mercury_SC_409670

A class planted trees and shrubs in an empty dirt lot beside the school. The roots of the plants can help protect the soil. The soil is most likely being protected from what?

a drought

wind erosion

an earthquake

water pollution

B

1,654

Mercury_7064505

In the process of photosynthesis, sunlight is converted into

chemical energy.

nuclear energy.

mechanical energy.

kinetic energy.

A

1,655

Mercury_7268170

Vascular plants have tissue called xylem. Which of these is transported by the xylem?

food made by the plant

water needed by the plant

pollen for plant reproduction

carbon dioxide for photosynthesis

B

1,656

ACTAAP_2009_5_11

If Lisa wants to experiment with bean plants, which of these is the best example of a hypothesis?

Bean plants come in many types.

Fertilizer is good for bean plants.

All bean plants are related to each other.

Fertilizer will make bean plants grow taller.

D

1,657

Mercury_SC_406071

A jeweler melts gold to make jewelry. As the gold melts, the mass

increases.

decreases.

is destroyed.

stays the same.

D

1,658

MCAS_2007_8_5185

Which of the following tools is most useful for tightening a small mechanical fastener?

chisel

pliers

sander

saw

B

1,659

Mercury_7269115

Oil, coal, and natural gas are fossil fuels formed under what conditions?

low temperature and high pressure

high temperature and high pressure

low temperature and low pressure

high temperature and low pressure

B

1,660

NYSEDREGENTS_2016_4_3

Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds

fly south

find food

protect their young

survive the winter

C

1,661

NYSEDREGENTS_2006_4_5

Which tool is used to measure the volume of a liquid?

balance

ruler

thermometer

graduated cylinder

D

1,662

NYSEDREGENTS_2004_4_11

The functions of a plant's roots are to support the plant and

make food

produce fruit

take in water and nutrients

aid in germination

C

1,663

Mercury_406730

All of the inherited traits that are passed to offspring during asexual reproduction come from a single

egg.

sperm.

virus.

parent.

D

1,664

MCAS_2003_8_3

What energy transformation occurs when an electric lamp is turned on?

electrical energy to light and heat energy

light energy to electrical and mechanical energy

heat energy to electrical and light energy

electrical energy to mechanical and heat energy

A

1,665

Mercury_7218715

Which phase change in the atmosphere forms clouds?

evaporation

freezing

condensation

melting

C

1,666

Mercury_7274330

Where are the most reactive nonmetals located on the periodic table?

the uppermost complete row of the table

the rows at the bottom of the table connecting two sections

the column at the far left side of the table

the second column from the right side of the table

D

1,667

Mercury_SC_401808

Who was a leading authority on continental drift in the early 1900s?

Alfred Wegener

Albert Einstein

Charles Richter

Charles Darwin

A

1,668

NYSEDREGENTS_2006_8_3

In addition to oxygen, which gases make up the largest percentage of Earth's atmosphere?

hydrogen, helium, and water vapor

hydrogen, methane, and ozone

carbon dioxide, water vapor, and nitrogen

carbon dioxide, methane, and helium

C

1,669

AKDE&ED_2012_4_31

For many years, people have been curious about the stars. In the past, people have shared what they knew about the stars through stories and drawings. Which pair of tools would be most helpful for people today to gather and share information about stars?

a notebook and a calculator

a telescope and a computer

a calculator and a microscope

a microscope and a telescope

B

1,670

Mercury_7163888

During a presentation on astronomy, Professor Williams discussed various measurements in space. Which objects was she referring to when she talked about how astronomical units (AU) were determined?

the Sun and Earth

the Moon and Earth

the inner and outer planets

the Sun and the closest star

A

1,671

NCEOGA_2013_5_54

As more people have moved to the beach, the sea turtle population has decreased. Which is most likely the cause of this decrease?

tropical storms

increase in predators

habitat loss

warmer temperatures

C

1,672

Mercury_SC_400605

The skin of a chameleon can change colors to help it blend with its surroundings. How would this adaptation most likely help a chameleon survive?

by scaring predators away from the chameleon

by attracting prey animals to the chameleon

by sending a signal to other chameleons

by helping the chameleon hide from its predators

D

1,673

Mercury_7120715

A student examines a new watch design. The watch has a small solar cell on its face. The main function of the solar cell is to

reduce the cost of the watch.

provide an energy source for the watch.

make the watch more attractive.

stop the watch from speeding up.

B

1,674

MCAS_2008_8_5715

The presence of which of the following geological features provides the best evidence that glaciers once covered an area?

wide riverbeds

U-shaped valleys

underground caves

groundwater springs

B

1,675

VASoL_2010_5_24

Which of these is a way the people of Virginia can help restore a natural ecosystem?

Burn their trash

Plant native plants

Feed leftover meals to deer

Drain automobile oil into the grass

B

1,676

Mercury_SC_400029

A student wants to figure out how many calories are needed to perform various activities. A list of some everyday activities is made, and the number of calories burned during each activity is recorded. Which method is the best way for the student to display and evaluate the information?

write a paragraph

make a line graph

develop a formula

create a table

D

1,677

Mercury_7086730

Sedimentary deposits formed from organic material tend to include a high amount of

iron.

nickel.

carbon.

silicon.

C

1,678

Mercury_7016100

According to the Big Bang Theory, which element most likely formed first?

carbon dioxide

hydrogen

oxygen

nitrogen

B

1,679

Mercury_SC_408364

Tim and Carla play catch with a ball. Which term describes the motion of a ball?

shape

size

speed

weight

C

1,680

Mercury_SC_401368

Which set of equipment would be best to use when investigating what is found in a sample of pond water?

net, gloves, specimen bags

beaker, calculator, graph paper

microscope, eye dropper, slides

measuring tape, thermometer, clipboard

C