Hessa/all_test_questions · Datasets at Hugging Face

Unnamed: 0 int64 0 5.8k	questionID stringlengths 9 10	lessonName stringclasses 201 values	beingAsked stringlengths 5 324	imageName stringclasses 660 values	imagePath stringclasses 660 values	questionType stringclasses 2 values	answerChoices stringlengths 17 476	correctAnswer stringclasses 7 values
3,700	NDQ_004811	history of mesozoic life	there was more oxygen in the mesozoic atmosphere than there is today.	null	null	Multiple Choice	a. True, b. False	a
3,701	NDQ_004812	history of mesozoic life	at the beginning of the mesozoic.	null	null	Multiple Choice	a. Pangaea began to come together., b. Many life forms went extinct., c. Plants and animals diversified and spread., d. All of these.	c
3,702	NDQ_004813	history of mesozoic life	flowering plants evolved during the cretaceous.	null	null	Multiple Choice	a. True, b. False	a
3,703	NDQ_004814	history of mesozoic life	the dinosaurs went entirely extinct.	null	null	Multiple Choice	a. True, b. False	b
3,704	NDQ_004815	history of mesozoic life	evidence that at least some dinosaurs were endotherms includes	null	null	Multiple Choice	a. Their ability to live in harsh environments., b. Evidence that they grew fast and were active., c. Their large brains., d. All of these.	d
3,705	NDQ_004816	history of mesozoic life	mammals appeared near the end of	null	null	Multiple Choice	a. The Cambrian Explosion, b. The Mesozoic Era., c. The Jurassic Epoch., d. The Triassic Epoch.	d
3,706	NDQ_004817	history of mesozoic life	the amniote egg has a shell and contains all the nutrients and water required for the developing embryo.	null	null	Multiple Choice	a. True, b. False	a
3,707	NDQ_004818	history of mesozoic life	the mass extinction that killed the dinosaurs was due to an asteroid impact that	null	null	Multiple Choice	a. Kicked up a massive dust cloud that blocked sunlight and stopped photosynthesis., b. Roasted larger animals., c. Caused acid rain to dissolve plankton shells., d. All of these.	d
3,708	NDQ_004819	history of mesozoic life	the amniote egg was essential for the spread of reptiles because it allowed	null	null	Multiple Choice	a. Eggs to survive and hatch away from water., b. Dinosaurs to hatch from eggs., c. Eggs to survive the asteroid impact and mass extinction., d. All of these.	a
3,709	NDQ_004820	history of paleozoic life	which organisms originated in the paleozoic?	null	null	Multiple Choice	a. Fish, b. Amphibians, c. Arthropods, d. All of the above	d
3,710	NDQ_004821	history of paleozoic life	during which time period did simple plants begin colonizing the land?	null	null	Multiple Choice	a. Ordovician, b. Cambrian, c. Pre Cambrian, d. Carboniferous	a
3,711	NDQ_004822	history of paleozoic life	the cambrian saw a tremendous diversification in life forms because	null	null	Multiple Choice	a. Marine regressions opened up many habitats on land., b. Competition with the Ediacara fauna caused rapid evolution of Cambrian organisms., c. The extent of shallow seas opened up many marine habitats., d. All of these.	c
3,712	NDQ_004823	history of paleozoic life	most of the fossil fuels we burn today originated in __________ swamps, dominated by __________ plants.	null	null	Multiple Choice	a. Cambrian; flowering plants., b. Carboniferous; seed-bearing, c. Carboniferous; flowering, d. Cambrian; seed-bearing	b
3,713	NDQ_004824	history of paleozoic life	for land plants to flourish __________ needed to evolve.	null	null	Multiple Choice	a. Seeds, b. Flowers, c. Insects, d. Puddles of water	a
3,714	NDQ_004825	history of paleozoic life	the only mass extinction in the paleozoic was the one at the end of the permian period.	null	null	Multiple Choice	a. True, b. False	b
3,715	NDQ_004826	history of paleozoic life	which was not one of the proposed causes for mass extinction that defined the end of the permian?	null	null	Multiple Choice	a. Gradual environmental change, b. Changes in the composition of the atmosphere, c. Global warming, d. Intense volcanism	c
3,716	NDQ_004827	history of paleozoic life	the largest increase in diversity and number of living things in earth history was the __________ at the beginning of the __________.	null	null	Multiple Choice	a. Burgess Explosion; Paleozoic, b. Paleozoic Explosion; Cambrian, c. Ediacara Explosion; Cambrian, d. Cambrian Explosion; Paleozoic	d
3,717	NDQ_004828	history of paleozoic life	in the end-of-permian mass extinction	null	null	Multiple Choice	a. About 55% of marine organisms went extinct., b. Species composed of calcium carbonate went extinct at a greater rate than others., c. About 35% of terrestrial vertebrate species went extinct., d. All of these.	b
3,718	NDQ_004829	history of paleozoic life	the organisms that died off in the greatest mass extinction in earth history all died within days or weeks.	null	null	Multiple Choice	a. True, b. False	b
3,719	NDQ_004870	hurricanes	hurricanes are	null	null	Multiple Choice	a. Very large Nor’easters, b. Tropical cyclones, c. Tropical depressions, d. Mid-latitude cyclones	b
3,720	NDQ_004871	hurricanes	for an atlantic hurricane to form and grow	null	null	Multiple Choice	a. Sea surface temperature must be > 28oC., b. Air must begin to rotate around a low pressure., c. Wind shear must be low., d. All of the above	d
3,721	NDQ_004872	hurricanes	how long do hurricanes typically last?	null	null	Multiple Choice	a. 1-2 days, b. 3-5 days, c. 5-10 days, d. 10-12 days	c
3,722	NDQ_004874	hurricanes	the energy to fuel a hurricane comes from latent heat as water vapor condenses.	null	null	Multiple Choice	a. True, b. False	a
3,723	NDQ_004875	hurricanes	the saffir-simpson scale measures hurricane intensity. it	null	null	Multiple Choice	a. It goes from 1 to 10, with 1 being the weakest., b. It goes from 1 to 10, with 1 being the strongest., c. It goes from 1 to 5, with 1 being the weakest., d. It goes from 1 to 5, with 1 being the strongest.	c
3,724	NDQ_004876	hurricanes	the eye of a hurricane is	null	null	Multiple Choice	a. The low pressure center of the storm., b. The high pressure center of the storm., c. A tornado that forms in the center of a cyclone., d. The most intense part of the storm.	a
3,725	NDQ_004877	hurricanes	a hurricane often turns from a northwest track to a northeast track as it moves from the trade winds to the westerlies.	null	null	Multiple Choice	a. True, b. False	a
3,726	NDQ_004878	hurricanes	hurricanes will die when they	null	null	Multiple Choice	a. Are cut off from their supply of latent heat., b. Move north over cooler water., c. Move over land., d. All of these.	d
3,727	NDQ_004879	hurricanes	hurricane katrina caused so much damage to new orleans because	null	null	Multiple Choice	a. It was the most powerful hurricane ever to strike land., b. It caused the levees that protected the city to break., c. The region had already been weakened by Hurricane Rita., d. It moved very fast and powerfully.	b
3,728	NDQ_005060	local winds	the most important thing to remember about winds is that they blow	null	null	Multiple Choice	a. From low pressure cells to high pressure cells., b. From high pressure cells to low pressure cells., c. From west to east., d. With the global wind belts.	b
3,729	NDQ_005061	local winds	low pressure cells are created by warm air rising.	null	null	Multiple Choice	a. True, b. False	a
3,730	NDQ_005063	local winds	monsoon winds form when	null	null	Multiple Choice	a. A hot low pressure package of air rises above a cold high pressure package of air., b. A cold low pressure package of air rises above a hot high pressure package of air., c. Warm air above the sea rises and sucks in hot air from the land., d. Hot air above land rises and sucks in warm wet air from the sea.	d
3,731	NDQ_005064	local winds	the santa ana winds blow when	null	null	Multiple Choice	a. The Great basin experiences a low pressure and sucks cooler air off the Pacific Ocean., b. Hot dry air from the Southwestern deserts is sucked back toward the Pacific through the mountain passes., c. The Great Basin experiences a high pressure and forces winds back down toward the, d. None of these.	c
3,732	NDQ_005065	local winds	how do chinook winds cause a rainshadow effect on the leeward side of a mountain range?	null	null	Multiple Choice	a. Air descending from the mountains experiences adiabatic heating; as it warms it sucks, b. Air ascending over the mountains stays aloft and is too high to precipitate., c. Air ascending over the mountains experiences adiabatic heating and precipitates on the top of the mountain range., d. None of these	a
3,733	NDQ_005066	local winds	on a mountain and adjacent valley,	null	null	Multiple Choice	a. Mountain breezes occur during the day and valley breezes occur at night., b. Valley breezes occur during the day and mountain breezes occur at night., c. Mountain breezes are caused by warm air rising up the mountain., d. None of these.	b
3,734	NDQ_005067	local winds	in india, summer monsoons	null	null	Multiple Choice	a. Bring much needed rain for drinking and irrigation., b. Bring dry air into the region, which sucks up all the moisture., c. Bring a much increased chance of tornados and hurricanes into the region., d. None of these.	a
3,735	NDQ_005068	local winds	the reason for land and sea breezes, and also monsoon winds is that the ocean has	null	null	Multiple Choice	a. A low specific heat compared to land., b. A high latent heat compared to land., c. A high specific heat compared to land., d. A low latent heat compared to land.	c
3,736	NDQ_005069	local winds	a haboob	null	null	Multiple Choice	a. Is a high wind created in a desert., b. Picks up dust because dirt and sand are exposed., c. Occurs in the downdrafts in front of a thunderstorm., d. All of these.	d
3,737	NDQ_005261	mid latitude cyclones	mid-latitude cyclones form at __________ when the temperature difference between two air masses is __________.	null	null	Multiple Choice	a. The northeastern U.S.; insignificant, b. The Southern Hemisphere; insignificant, c. The polar front; large, d. A squall line; large	c
3,738	NDQ_005262	mid latitude cyclones	in new england and the mid-atlantic , __________ mid-latitude cyclones called __________, are common.	null	null	Multiple Choice	a. Backwards rotating; Southeasters, b. Fierce; Nor’easters, c. Mild; Nor’easters, d. Fierce; Southeasters	b
3,739	NDQ_005263	mid latitude cyclones	mid-latitude cyclones form when	null	null	Multiple Choice	a. Upwelling air in a thunderstorm sucks in warm wet air that begins to rotate counterclockwise., b. Air masses blowing past each other in opposite directions are deflected by Coriolis and, c. Hot air in the ocean rises and begins to spin due to Coriolis, building strength as it moves over the sea surface., d. None of these.	b
3,740	NDQ_005264	mid latitude cyclones	most winter storms in the middle latitudes are mid-latitude cyclones.	null	null	Multiple Choice	a. True, b. False	a
3,741	NDQ_005265	mid latitude cyclones	as the winds in a cyclone rotate	null	null	Multiple Choice	a. The air rises and cools creating clouds and precipitation., b. They collapse inward and spin faster and faster., c. It loses energy and dissipates within minutes to an hour., d. None of these.	a
3,742	NDQ_005266	mid latitude cyclones	in the southern hemisphere a cyclone would rotate clockwise.	null	null	Multiple Choice	a. True, b. False	a
3,743	NDQ_005267	mid latitude cyclones	about 10 noreasters strike the eastern seaboard each year.	null	null	Multiple Choice	a. True, b. False	b
3,744	NDQ_005268	mid latitude cyclones	in 1993, a noreaster hit the entire eastern seaboard of the united states called the	null	null	Multiple Choice	a. Storm of the Millennium, b. Storm of the Year, c. Storm of the Century, d. The Biggest Storm Ever	c
3,745	NDQ_005320	modern biodiversity	the enormous number of species is due to	null	null	Multiple Choice	a. The tremendous variety of habitats that organisms have evolved to fill., b. The ability of an individual to change to meet a challenge., c. The fact that we have been looking for them., d. All of these.	a
3,746	NDQ_005322	modern biodiversity	each organism is adapted to survive in a specific environment.	null	null	Multiple Choice	a. True, b. False	a
3,747	NDQ_005323	modern biodiversity	if you live in the developed world, you have probably seen around half of the species that exist on earth.	null	null	Multiple Choice	a. True, b. False	b
3,748	NDQ_005324	modern biodiversity	to avoid being eaten, a plant can do any of the following except	null	null	Multiple Choice	a. Grow spines., b. Run away., c. Taste awful., d. Be poisonous.	b
3,749	NDQ_005325	modern biodiversity	which of the following is true?	null	null	Multiple Choice	a. About 1 million species are currently alive on Earth., b. About 1 million species are estimated to exist but not have been discovered., c. The amount of biodiversity decreased through Earth history., d. All of the above.	a
3,750	NDQ_005326	modern biodiversity	adaptations	null	null	Multiple Choice	a. Protect organisms from the external environment., b. Allow organisms to gather food., c. Allow organisms to avoid being food., d. All of these.	d
3,751	NDQ_005327	modern biodiversity	reindeer have sponge-like hoofs to walk on snowy ground without slipping. this is an example of	null	null	Multiple Choice	a. A habitat, b. Biodiversity, c. An adaptation, d. A predator	c
3,752	NDQ_005328	modern biodiversity	the zebras dark stripes confuse predators and help keep it from being eaten.	null	null	Multiple Choice	a. True, b. False	a
3,753	NDQ_005329	modern biodiversity	scientists have discovered every organism that lives on earth.	null	null	Multiple Choice	a. True, b. False	b
3,754	NDQ_005410	observations and experiments	to test a hypothesis, we can	null	null	Multiple Choice	a. Figure out what we believe to be true., b. Do experiments with multiple independent variables., c. Gather data using scientific method., d. All of the above	c
3,755	NDQ_005411	observations and experiments	which tools do scientists use to observe other planets?	null	null	Multiple Choice	a. Satellites, b. Microscopes, c. Magnifying glasses, d. All of the above	a
3,756	NDQ_005413	observations and experiments	the factor that is manipulated is the	null	null	Multiple Choice	a. Independent variable, b. Dependent variable, c. Independent factor, d. Dependent factor	a
3,757	NDQ_005414	observations and experiments	a factor that depends on the independent factor is the	null	null	Multiple Choice	a. Independent variable, b. Dependent variable, c. Independent factor, d. Dependent factor	b
3,758	NDQ_005415	observations and experiments	the experiment is on how temperature changes throughout the day. which factor is dependent and which factor is independent?	null	null	Multiple Choice	a. The independent factor is the researcher and the dependent factor is the time of day., b. The independent factor and the dependent factor are both the time of day., c. The independent factor is the time of day and the dependent factor is temperature., d. The independent factor is the time of day and the dependent factor is temperature.	c
3,759	NDQ_005416	observations and experiments	the ________________ is not subjected to the independent variable.	null	null	Multiple Choice	a. Manipulated variable, b. Dependent variable, c. Control group, d. Independent group	c
3,760	NDQ_005417	observations and experiments	if i want to do an experiment to test whether vitamin c helps prevent colds, the control group must	null	null	Multiple Choice	a. Get double the dose of vitamin C, b. Get half the dose of vitamin C, c. Get vitamin C every other day, d. Not be given vitamin C	d
3,761	NDQ_005418	observations and experiments	sometimes a stopwatch is stopped a little early and sometimes it is stopped a little late. what type of error is this?	null	null	Multiple Choice	a. Systematic error, b. Random error, c. Human error, d. Controlled error	b
3,762	NDQ_005419	observations and experiments	a scale always weights samples a little bit high. what type of error is this?	null	null	Multiple Choice	a. Systematic error, b. Random error, c. Human error, d. Controlled error	a
3,763	NDQ_005420	observations and experiments	a researcher has a cold and isnt doing her best work. what type of error is this?	null	null	Multiple Choice	a. Systematic error, b. Random error, c. Experimental error, d. Controlled error	c
3,764	NDQ_005621	predicting weather	what type of model is used to predict the weather?	null	null	Multiple Choice	a. Physical model, b. Mathematical model, c. Conceptual model, d. Weather model	b
3,765	NDQ_005622	predicting weather	which type of scientists predict weather?	null	null	Multiple Choice	a. Climatologists, b. Meteorologists, c. Geologists, d. Geographers	b
3,766	NDQ_005623	predicting weather	the nwp produces the most accurate information and its forecasts are always right.	null	null	Multiple Choice	a. True, b. False	b
3,767	NDQ_005624	predicting weather	computers produce better predictions because they can make many more calculations than people can.	null	null	Multiple Choice	a. True, b. False	a
3,768	NDQ_005625	predicting weather	one reason that weather predictions are much more accurate is that they were 20 years ago is that	null	null	Multiple Choice	a. The weather is less variable and can be more easily predicted., b. We have more years of experience in knowing what kind of weather can happen in each location., c. We now have much more and much better data., d. None of these.	c
3,769	NDQ_005626	predicting weather	a computer model of the weather	null	null	Multiple Choice	a. Calculates what will happen over time in a 3-dimensional grid., b. Predicts farther into the future., c. Is broadcast widely., d. All of these.	d
3,770	NDQ_005627	predicting weather	scientists are now able to predict the weather 5 days from now with as much accuracy as they could predict the weather 2 days hence only two decades ago.	null	null	Multiple Choice	a. True, b. False	a
3,771	NDQ_005628	predicting weather	if a meteorologist sees a hurricane headed for a populated shoreline the best thing to do is	null	null	Multiple Choice	a. Get the prediction verified by other data and other scientists., b. Alert public officials., c. Explain to the media what is happening., d. All of these.	d
3,772	NDQ_005629	predicting weather	an accurate weather forecast	null	null	Multiple Choice	a. Allows people to secure their property and evacuate as needed., b. Requires technology that is not yet available., c. Is something that is available every day for at least a week in the future., d. All of these.	a
3,773	NDQ_005630	predicting weather	weather getting projected further into the future because we have more and better data and supercomputers to do the modeling.	null	null	Multiple Choice	a. True, b. False	a
3,774	NDQ_005632	pressure and density of the atmosphere	air pressure decreases as the altitude increases.	null	null	Multiple Choice	a. True, b. False	b
3,775	NDQ_005633	pressure and density of the atmosphere	when you are in an airplane, you mostly feel the increase and decrease of altitude in this part of your body?	null	null	Multiple Choice	a. Hands, b. Feet, c. Toes, d. Ear	d
3,776	NDQ_005634	pressure and density of the atmosphere	your ears pop when you ascend in an airplane because	null	null	Multiple Choice	a. Your inner ear holds air at higher atmospheric pressure than the air outside your ear., b. The air inside your ear is pushed through to equalize the pressure., c. Your inner ear holds air at a lower atmospheric pressure than the air outside your ear., d. A & B	d
3,777	NDQ_005635	pressure and density of the atmosphere	what could happen to a capped bottle full of air if it was taken from sea level up to the top of mt. everest?	null	null	Multiple Choice	a. The lower pressure on the inside than on the outside would make it collapse., b. The higher pressure on the inside than on the outside would make it push its cap off., c. The lower temperature on top of the mountain would make it push its cap off., d. The higher temperature on the top of the mountain would make it collapse.	b
3,778	NDQ_005637	pressure and density of the atmosphere	gases at sea level are compressed by the weight of the atmosphere above them.	null	null	Multiple Choice	a. True, b. False	a
3,779	NDQ_005638	pressure and density of the atmosphere	people who climb tall mountains set up camp at higher and higher elevations to get used to the	null	null	Multiple Choice	a. Lower temperature., b. Higher pressure., c. Sparser atmosphere., d. Lack of vegetation.	c
3,780	NDQ_005639	pressure and density of the atmosphere	why is the air denser the closer you are to sea level?	null	null	Multiple Choice	a. The gravitational pull is stronger closer to the center of the Earth., b. Gases weigh more when they are full of water vapor., c. The warmer temperatures at lower elevations make the air denser., d. The atmospheric pressure is lower nearer to sea level.	a
3,781	NDQ_005640	pressure and density of the atmosphere	we are not crushed by air pressure because the molecules inside our bodies are pushing outward as much as the atmosphere is pushing in.	null	null	Multiple Choice	a. True, b. False	a
3,782	NDQ_005771	roles in an ecosystem	coral have a symbiotic relationship with zooxanthellae in which the coral provide food and the zooxanthellae provide a safe home.	null	null	Multiple Choice	a. True, b. False	b
3,783	NDQ_005772	roles in an ecosystem	producers live	null	null	Multiple Choice	a. In the surface of the ocean., b. At hydrothermal vents., c. On land., d. All of these.	d
3,784	NDQ_005773	roles in an ecosystem	herbivores may eat	null	null	Multiple Choice	a. Producers., b. Other herbivores., c. Carnivores., d. All of the above	a
3,785	NDQ_005774	roles in an ecosystem	omnivores only eat organisms from the plant and animal kingdoms.	null	null	Multiple Choice	a. True, b. False	b
3,786	NDQ_005775	roles in an ecosystem	decomposers break apart dead organisms and their waste material to return them as nutrients to the ecosystem.	null	null	Multiple Choice	a. True, b. False	a
3,787	NDQ_005776	roles in an ecosystem	which is a type of scavenger?	null	null	Multiple Choice	a. Lion, b. Hyena, c. Deer, d. Bear	b
3,788	NDQ_005777	roles in an ecosystem	the pollinator-plant relationship is an example of mutualism because	null	null	Multiple Choice	a. The pollinator gets food and the plant is not harmed., b. The pollinator is not harmed and the pollen is spread to other locations., c. The pollen lives off the pollinator until it dies., d. The pollinator gets food and the pollen is spread to other locations.	d
3,789	NDQ_005778	roles in an ecosystem	competition occurs between species that try to use the same resources.	null	null	Multiple Choice	a. True, b. False	a
3,790	NDQ_005779	roles in an ecosystem	symbiosis is	null	null	Multiple Choice	a. A relationship between two interacting species where no one benefits., b. A relationship between two interacting species where one or both benefits., c. A relationship between three interacting species where one benefits., d. None of the above	b
3,791	NDQ_005780	roles in an ecosystem	a tapeworm living in the stomach of a human is a type of which symbiosis:	null	null	Multiple Choice	a. Commensalism, b. Mutualism, c. Parasitism, d. Both A and B	c
3,792	NDQ_005831	scientific community	a hypothesis will not be fully accepted unless it is supported by nearly all scientists.	null	null	Multiple Choice	a. True, b. False	a
3,793	NDQ_005832	scientific community	what will happen after a paper is published?	null	null	Multiple Choice	a. It gets incorporated into other scientists’ research., b. It can be thrown out if it cannot be replicated., c. It will be read by the scientists in that field., d. All of the above.	d
3,794	NDQ_005834	scientific community	science students need to know learn not to fake, hide or eliminate data.	null	null	Multiple Choice	a. True, b. False	a
3,795	NDQ_005835	scientific community	if science is done well, other scientists will undoubtedly accept the work as the truth.	null	null	Multiple Choice	a. True, b. False	b
3,796	NDQ_005836	scientific community	scientific experiments must be able to be replicated to protect the integrity of science.	null	null	Multiple Choice	a. True, b. False	a
3,797	NDQ_005837	scientific community	scientists who are part of a peer review can	null	null	Multiple Choice	a. Recommend or deny a paper for publication, b. Only recommend a paper for publication, c. Only deny a paper for publication, d. Do nothing about the paper for publication	a
3,798	NDQ_005838	scientific community	although a study may take place in a single laboratory, a scientist must present his/her work to:	null	null	Multiple Choice	a. The community of scientists in the field, b. The neighbors, c. Friends, d. Family members	a
3,799	NDQ_005839	scientific community	published scientific studies are very likely to be accurate because they	null	null	Multiple Choice	a. Are based on the beliefs of the scientists who published them., b. Are almost certain to have been done using scientific method., c. Were performed by scientists., d. All of these.	b

3,700

NDQ_004811

history of mesozoic life

there was more oxygen in the mesozoic atmosphere than there is today.

null

Multiple Choice

a. True, b. False

a

3,701

NDQ_004812

history of mesozoic life

at the beginning of the mesozoic.

null

Multiple Choice

a. Pangaea began to come together., b. Many life forms went extinct., c. Plants and animals diversified and spread., d. All of these.

c

3,702

NDQ_004813

history of mesozoic life

flowering plants evolved during the cretaceous.

null

Multiple Choice

a. True, b. False

a

3,703

NDQ_004814

history of mesozoic life

the dinosaurs went entirely extinct.

null

Multiple Choice

a. True, b. False

b

3,704

NDQ_004815

history of mesozoic life

evidence that at least some dinosaurs were endotherms includes

null

Multiple Choice

a. Their ability to live in harsh environments., b. Evidence that they grew fast and were active., c. Their large brains., d. All of these.

d

3,705

NDQ_004816

history of mesozoic life

mammals appeared near the end of

null

Multiple Choice

a. The Cambrian Explosion, b. The Mesozoic Era., c. The Jurassic Epoch., d. The Triassic Epoch.

d

3,706

NDQ_004817

history of mesozoic life

the amniote egg has a shell and contains all the nutrients and water required for the developing embryo.

null

Multiple Choice

a. True, b. False

a

3,707

NDQ_004818

history of mesozoic life

the mass extinction that killed the dinosaurs was due to an asteroid impact that

null

Multiple Choice

a. Kicked up a massive dust cloud that blocked sunlight and stopped photosynthesis., b. Roasted larger animals., c. Caused acid rain to dissolve plankton shells., d. All of these.

d

3,708

NDQ_004819

history of mesozoic life

the amniote egg was essential for the spread of reptiles because it allowed

null

Multiple Choice

a. Eggs to survive and hatch away from water., b. Dinosaurs to hatch from eggs., c. Eggs to survive the asteroid impact and mass extinction., d. All of these.

a

3,709

NDQ_004820

history of paleozoic life

which organisms originated in the paleozoic?

null

Multiple Choice

a. Fish, b. Amphibians, c. Arthropods, d. All of the above

d

3,710

NDQ_004821

history of paleozoic life

during which time period did simple plants begin colonizing the land?

null

Multiple Choice

a. Ordovician, b. Cambrian, c. Pre Cambrian, d. Carboniferous

a

3,711

NDQ_004822

history of paleozoic life

the cambrian saw a tremendous diversification in life forms because

null

Multiple Choice

a. Marine regressions opened up many habitats on land., b. Competition with the Ediacara fauna caused rapid evolution of Cambrian organisms., c. The extent of shallow seas opened up many marine habitats., d. All of these.

c

3,712

NDQ_004823

history of paleozoic life

most of the fossil fuels we burn today originated in __________ swamps, dominated by __________ plants.

null

Multiple Choice

a. Cambrian; flowering plants., b. Carboniferous; seed-bearing, c. Carboniferous; flowering, d. Cambrian; seed-bearing

b

3,713

NDQ_004824

history of paleozoic life

for land plants to flourish __________ needed to evolve.

null

Multiple Choice

a. Seeds, b. Flowers, c. Insects, d. Puddles of water

a

3,714

NDQ_004825

history of paleozoic life

the only mass extinction in the paleozoic was the one at the end of the permian period.

null

Multiple Choice

a. True, b. False

b

3,715

NDQ_004826

history of paleozoic life

which was not one of the proposed causes for mass extinction that defined the end of the permian?

null

Multiple Choice

a. Gradual environmental change, b. Changes in the composition of the atmosphere, c. Global warming, d. Intense volcanism

c

3,716

NDQ_004827

history of paleozoic life

the largest increase in diversity and number of living things in earth history was the __________ at the beginning of the __________.

null

Multiple Choice

a. Burgess Explosion; Paleozoic, b. Paleozoic Explosion; Cambrian, c. Ediacara Explosion; Cambrian, d. Cambrian Explosion; Paleozoic

d

3,717

NDQ_004828

history of paleozoic life

in the end-of-permian mass extinction

null

Multiple Choice

a. About 55% of marine organisms went extinct., b. Species composed of calcium carbonate went extinct at a greater rate than others., c. About 35% of terrestrial vertebrate species went extinct., d. All of these.

b

3,718

NDQ_004829

history of paleozoic life

the organisms that died off in the greatest mass extinction in earth history all died within days or weeks.

null

Multiple Choice

a. True, b. False

b

3,719

NDQ_004870

hurricanes

hurricanes are

null

Multiple Choice

a. Very large Nor’easters, b. Tropical cyclones, c. Tropical depressions, d. Mid-latitude cyclones

b

3,720

NDQ_004871

hurricanes

for an atlantic hurricane to form and grow

null

Multiple Choice

a. Sea surface temperature must be > 28oC., b. Air must begin to rotate around a low pressure., c. Wind shear must be low., d. All of the above

d

3,721

NDQ_004872

hurricanes

how long do hurricanes typically last?

null

Multiple Choice

a. 1-2 days, b. 3-5 days, c. 5-10 days, d. 10-12 days

c

3,722

NDQ_004874

hurricanes

the energy to fuel a hurricane comes from latent heat as water vapor condenses.

null

Multiple Choice

a. True, b. False

a

3,723

NDQ_004875

hurricanes

the saffir-simpson scale measures hurricane intensity. it

null

Multiple Choice

a. It goes from 1 to 10, with 1 being the weakest., b. It goes from 1 to 10, with 1 being the strongest., c. It goes from 1 to 5, with 1 being the weakest., d. It goes from 1 to 5, with 1 being the strongest.

c

3,724

NDQ_004876

hurricanes

the eye of a hurricane is

null

Multiple Choice

a. The low pressure center of the storm., b. The high pressure center of the storm., c. A tornado that forms in the center of a cyclone., d. The most intense part of the storm.

a

3,725

NDQ_004877

hurricanes

a hurricane often turns from a northwest track to a northeast track as it moves from the trade winds to the westerlies.

null

Multiple Choice

a. True, b. False

a

3,726

NDQ_004878

hurricanes

hurricanes will die when they

null

Multiple Choice

a. Are cut off from their supply of latent heat., b. Move north over cooler water., c. Move over land., d. All of these.

d

3,727

NDQ_004879

hurricanes

hurricane katrina caused so much damage to new orleans because

null

Multiple Choice

a. It was the most powerful hurricane ever to strike land., b. It caused the levees that protected the city to break., c. The region had already been weakened by Hurricane Rita., d. It moved very fast and powerfully.

b

3,728

NDQ_005060

local winds

the most important thing to remember about winds is that they blow

null

Multiple Choice

a. From low pressure cells to high pressure cells., b. From high pressure cells to low pressure cells., c. From west to east., d. With the global wind belts.

b

3,729

NDQ_005061

local winds

low pressure cells are created by warm air rising.

null

Multiple Choice

a. True, b. False

a

3,730

NDQ_005063

local winds

monsoon winds form when

null

Multiple Choice

a. A hot low pressure package of air rises above a cold high pressure package of air., b. A cold low pressure package of air rises above a hot high pressure package of air., c. Warm air above the sea rises and sucks in hot air from the land., d. Hot air above land rises and sucks in warm wet air from the sea.

d

3,731

NDQ_005064

local winds

the santa ana winds blow when

null

Multiple Choice

a. The Great basin experiences a low pressure and sucks cooler air off the Pacific Ocean., b. Hot dry air from the Southwestern deserts is sucked back toward the Pacific through the mountain passes., c. The Great Basin experiences a high pressure and forces winds back down toward the, d. None of these.

c

3,732

NDQ_005065

local winds

how do chinook winds cause a rainshadow effect on the leeward side of a mountain range?

null

Multiple Choice

a. Air descending from the mountains experiences adiabatic heating; as it warms it sucks, b. Air ascending over the mountains stays aloft and is too high to precipitate., c. Air ascending over the mountains experiences adiabatic heating and precipitates on the top of the mountain range., d. None of these

a

3,733

NDQ_005066

local winds

on a mountain and adjacent valley,

null

Multiple Choice

a. Mountain breezes occur during the day and valley breezes occur at night., b. Valley breezes occur during the day and mountain breezes occur at night., c. Mountain breezes are caused by warm air rising up the mountain., d. None of these.

b

3,734

NDQ_005067

local winds

in india, summer monsoons

null

Multiple Choice

a. Bring much needed rain for drinking and irrigation., b. Bring dry air into the region, which sucks up all the moisture., c. Bring a much increased chance of tornados and hurricanes into the region., d. None of these.

a

3,735

NDQ_005068

local winds

the reason for land and sea breezes, and also monsoon winds is that the ocean has

null

Multiple Choice

a. A low specific heat compared to land., b. A high latent heat compared to land., c. A high specific heat compared to land., d. A low latent heat compared to land.

c

3,736

NDQ_005069

local winds

a haboob

null

Multiple Choice

a. Is a high wind created in a desert., b. Picks up dust because dirt and sand are exposed., c. Occurs in the downdrafts in front of a thunderstorm., d. All of these.

d

3,737

NDQ_005261

mid latitude cyclones

mid-latitude cyclones form at __________ when the temperature difference between two air masses is __________.

null

Multiple Choice

a. The northeastern U.S.; insignificant, b. The Southern Hemisphere; insignificant, c. The polar front; large, d. A squall line; large

c

3,738

NDQ_005262

mid latitude cyclones

in new england and the mid-atlantic , __________ mid-latitude cyclones called __________, are common.

null

Multiple Choice

a. Backwards rotating; Southeasters, b. Fierce; Nor’easters, c. Mild; Nor’easters, d. Fierce; Southeasters

b

3,739

NDQ_005263

mid latitude cyclones

mid-latitude cyclones form when

null

Multiple Choice

a. Upwelling air in a thunderstorm sucks in warm wet air that begins to rotate counterclockwise., b. Air masses blowing past each other in opposite directions are deflected by Coriolis and, c. Hot air in the ocean rises and begins to spin due to Coriolis, building strength as it moves over the sea surface., d. None of these.

b

3,740

NDQ_005264

mid latitude cyclones

most winter storms in the middle latitudes are mid-latitude cyclones.

null

Multiple Choice

a. True, b. False

a

3,741

NDQ_005265

mid latitude cyclones

as the winds in a cyclone rotate

null

Multiple Choice

a. The air rises and cools creating clouds and precipitation., b. They collapse inward and spin faster and faster., c. It loses energy and dissipates within minutes to an hour., d. None of these.

a

3,742

NDQ_005266

mid latitude cyclones

in the southern hemisphere a cyclone would rotate clockwise.

null

Multiple Choice

a. True, b. False

a

3,743

NDQ_005267

mid latitude cyclones

about 10 noreasters strike the eastern seaboard each year.

null

Multiple Choice

a. True, b. False

b

3,744

NDQ_005268

mid latitude cyclones

in 1993, a noreaster hit the entire eastern seaboard of the united states called the

null

Multiple Choice

a. Storm of the Millennium, b. Storm of the Year, c. Storm of the Century, d. The Biggest Storm Ever

c

3,745

NDQ_005320

modern biodiversity

the enormous number of species is due to

null

Multiple Choice

a. The tremendous variety of habitats that organisms have evolved to fill., b. The ability of an individual to change to meet a challenge., c. The fact that we have been looking for them., d. All of these.

a

3,746

NDQ_005322

modern biodiversity

each organism is adapted to survive in a specific environment.

null

Multiple Choice

a. True, b. False

a

3,747

NDQ_005323

modern biodiversity

if you live in the developed world, you have probably seen around half of the species that exist on earth.

null

Multiple Choice

a. True, b. False

b

3,748

NDQ_005324

modern biodiversity

to avoid being eaten, a plant can do any of the following except

null

Multiple Choice

a. Grow spines., b. Run away., c. Taste awful., d. Be poisonous.

b

3,749

NDQ_005325

modern biodiversity

which of the following is true?

null

Multiple Choice

a. About 1 million species are currently alive on Earth., b. About 1 million species are estimated to exist but not have been discovered., c. The amount of biodiversity decreased through Earth history., d. All of the above.

a

3,750

NDQ_005326

modern biodiversity

adaptations

null

Multiple Choice

a. Protect organisms from the external environment., b. Allow organisms to gather food., c. Allow organisms to avoid being food., d. All of these.

d

3,751

NDQ_005327

modern biodiversity

reindeer have sponge-like hoofs to walk on snowy ground without slipping. this is an example of

null

Multiple Choice

a. A habitat, b. Biodiversity, c. An adaptation, d. A predator

c

3,752

NDQ_005328

modern biodiversity

the zebras dark stripes confuse predators and help keep it from being eaten.

null

Multiple Choice

a. True, b. False

a

3,753

NDQ_005329

modern biodiversity

scientists have discovered every organism that lives on earth.

null

Multiple Choice

a. True, b. False

b

3,754

NDQ_005410

observations and experiments

to test a hypothesis, we can

null

Multiple Choice

a. Figure out what we believe to be true., b. Do experiments with multiple independent variables., c. Gather data using scientific method., d. All of the above

c

3,755

NDQ_005411

observations and experiments

which tools do scientists use to observe other planets?

null

Multiple Choice

a. Satellites, b. Microscopes, c. Magnifying glasses, d. All of the above

a

3,756

NDQ_005413

observations and experiments

the factor that is manipulated is the

null

Multiple Choice

a. Independent variable, b. Dependent variable, c. Independent factor, d. Dependent factor

a

3,757

NDQ_005414

observations and experiments

a factor that depends on the independent factor is the

null

Multiple Choice

a. Independent variable, b. Dependent variable, c. Independent factor, d. Dependent factor

b

3,758

NDQ_005415

observations and experiments

the experiment is on how temperature changes throughout the day. which factor is dependent and which factor is independent?

null

Multiple Choice

a. The independent factor is the researcher and the dependent factor is the time of day., b. The independent factor and the dependent factor are both the time of day., c. The independent factor is the time of day and the dependent factor is temperature., d. The independent factor is the time of day and the dependent factor is temperature.

c

3,759

NDQ_005416

observations and experiments

the ________________ is not subjected to the independent variable.

null

Multiple Choice

a. Manipulated variable, b. Dependent variable, c. Control group, d. Independent group

c

3,760

NDQ_005417

observations and experiments

if i want to do an experiment to test whether vitamin c helps prevent colds, the control group must

null

Multiple Choice

a. Get double the dose of vitamin C, b. Get half the dose of vitamin C, c. Get vitamin C every other day, d. Not be given vitamin C

d

3,761

NDQ_005418

observations and experiments

sometimes a stopwatch is stopped a little early and sometimes it is stopped a little late. what type of error is this?

null

Multiple Choice

a. Systematic error, b. Random error, c. Human error, d. Controlled error

b

3,762

NDQ_005419

observations and experiments

a scale always weights samples a little bit high. what type of error is this?

null

Multiple Choice

a. Systematic error, b. Random error, c. Human error, d. Controlled error

a

3,763

NDQ_005420

observations and experiments

a researcher has a cold and isnt doing her best work. what type of error is this?

null

Multiple Choice

a. Systematic error, b. Random error, c. Experimental error, d. Controlled error

c

3,764

NDQ_005621

predicting weather

what type of model is used to predict the weather?

null

Multiple Choice

a. Physical model, b. Mathematical model, c. Conceptual model, d. Weather model

b

3,765

NDQ_005622

predicting weather

which type of scientists predict weather?

null

Multiple Choice

a. Climatologists, b. Meteorologists, c. Geologists, d. Geographers

b

3,766

NDQ_005623

predicting weather

the nwp produces the most accurate information and its forecasts are always right.

null

Multiple Choice

a. True, b. False

b

3,767

NDQ_005624

predicting weather

computers produce better predictions because they can make many more calculations than people can.

null

Multiple Choice

a. True, b. False

a

3,768

NDQ_005625

predicting weather

one reason that weather predictions are much more accurate is that they were 20 years ago is that

null

Multiple Choice

a. The weather is less variable and can be more easily predicted., b. We have more years of experience in knowing what kind of weather can happen in each location., c. We now have much more and much better data., d. None of these.

c

3,769

NDQ_005626

predicting weather

a computer model of the weather

null

Multiple Choice

a. Calculates what will happen over time in a 3-dimensional grid., b. Predicts farther into the future., c. Is broadcast widely., d. All of these.

d

3,770

NDQ_005627

predicting weather

scientists are now able to predict the weather 5 days from now with as much accuracy as they could predict the weather 2 days hence only two decades ago.

null

Multiple Choice

a. True, b. False

a

3,771

NDQ_005628

predicting weather

if a meteorologist sees a hurricane headed for a populated shoreline the best thing to do is

null

Multiple Choice

a. Get the prediction verified by other data and other scientists., b. Alert public officials., c. Explain to the media what is happening., d. All of these.

d

3,772

NDQ_005629

predicting weather

an accurate weather forecast

null

Multiple Choice

a. Allows people to secure their property and evacuate as needed., b. Requires technology that is not yet available., c. Is something that is available every day for at least a week in the future., d. All of these.

a

3,773

NDQ_005630

predicting weather

weather getting projected further into the future because we have more and better data and supercomputers to do the modeling.

null

Multiple Choice

a. True, b. False

a

3,774

NDQ_005632

pressure and density of the atmosphere

air pressure decreases as the altitude increases.

null

Multiple Choice

a. True, b. False

b

3,775

NDQ_005633

pressure and density of the atmosphere

when you are in an airplane, you mostly feel the increase and decrease of altitude in this part of your body?

null

Multiple Choice

a. Hands, b. Feet, c. Toes, d. Ear

d

3,776

NDQ_005634

pressure and density of the atmosphere

your ears pop when you ascend in an airplane because

null

Multiple Choice

a. Your inner ear holds air at higher atmospheric pressure than the air outside your ear., b. The air inside your ear is pushed through to equalize the pressure., c. Your inner ear holds air at a lower atmospheric pressure than the air outside your ear., d. A & B

d

3,777

NDQ_005635

pressure and density of the atmosphere

what could happen to a capped bottle full of air if it was taken from sea level up to the top of mt. everest?

null

Multiple Choice

a. The lower pressure on the inside than on the outside would make it collapse., b. The higher pressure on the inside than on the outside would make it push its cap off., c. The lower temperature on top of the mountain would make it push its cap off., d. The higher temperature on the top of the mountain would make it collapse.

b

3,778

NDQ_005637

pressure and density of the atmosphere

gases at sea level are compressed by the weight of the atmosphere above them.

null

Multiple Choice

a. True, b. False

a

3,779

NDQ_005638

pressure and density of the atmosphere

people who climb tall mountains set up camp at higher and higher elevations to get used to the

null

Multiple Choice

a. Lower temperature., b. Higher pressure., c. Sparser atmosphere., d. Lack of vegetation.

c

3,780

NDQ_005639

pressure and density of the atmosphere

why is the air denser the closer you are to sea level?

null

Multiple Choice

a. The gravitational pull is stronger closer to the center of the Earth., b. Gases weigh more when they are full of water vapor., c. The warmer temperatures at lower elevations make the air denser., d. The atmospheric pressure is lower nearer to sea level.

a

3,781

NDQ_005640

pressure and density of the atmosphere

we are not crushed by air pressure because the molecules inside our bodies are pushing outward as much as the atmosphere is pushing in.

null

Multiple Choice

a. True, b. False

a

3,782

NDQ_005771

roles in an ecosystem

coral have a symbiotic relationship with zooxanthellae in which the coral provide food and the zooxanthellae provide a safe home.

null

Multiple Choice

a. True, b. False

b

3,783

NDQ_005772

roles in an ecosystem

producers live

null

Multiple Choice

a. In the surface of the ocean., b. At hydrothermal vents., c. On land., d. All of these.

d

3,784

NDQ_005773

roles in an ecosystem

herbivores may eat

null

Multiple Choice

a. Producers., b. Other herbivores., c. Carnivores., d. All of the above

a

3,785

NDQ_005774

roles in an ecosystem

omnivores only eat organisms from the plant and animal kingdoms.

null

Multiple Choice

a. True, b. False

b

3,786

NDQ_005775

roles in an ecosystem

decomposers break apart dead organisms and their waste material to return them as nutrients to the ecosystem.

null

Multiple Choice

a. True, b. False

a

3,787

NDQ_005776

roles in an ecosystem

which is a type of scavenger?

null

Multiple Choice

a. Lion, b. Hyena, c. Deer, d. Bear

b

3,788

NDQ_005777

roles in an ecosystem

the pollinator-plant relationship is an example of mutualism because

null

Multiple Choice

a. The pollinator gets food and the plant is not harmed., b. The pollinator is not harmed and the pollen is spread to other locations., c. The pollen lives off the pollinator until it dies., d. The pollinator gets food and the pollen is spread to other locations.

d

3,789

NDQ_005778

roles in an ecosystem

competition occurs between species that try to use the same resources.

null

Multiple Choice

a. True, b. False

a

3,790

NDQ_005779

roles in an ecosystem

symbiosis is

null

Multiple Choice

a. A relationship between two interacting species where no one benefits., b. A relationship between two interacting species where one or both benefits., c. A relationship between three interacting species where one benefits., d. None of the above

b

3,791

NDQ_005780

roles in an ecosystem

a tapeworm living in the stomach of a human is a type of which symbiosis:

null

Multiple Choice

a. Commensalism, b. Mutualism, c. Parasitism, d. Both A and B

c

3,792

NDQ_005831

scientific community

a hypothesis will not be fully accepted unless it is supported by nearly all scientists.

null

Multiple Choice

a. True, b. False

a

3,793

NDQ_005832

scientific community

what will happen after a paper is published?

null

Multiple Choice

a. It gets incorporated into other scientists’ research., b. It can be thrown out if it cannot be replicated., c. It will be read by the scientists in that field., d. All of the above.

d

3,794

NDQ_005834

scientific community

science students need to know learn not to fake, hide or eliminate data.

null

Multiple Choice

a. True, b. False

a

3,795

NDQ_005835

scientific community

if science is done well, other scientists will undoubtedly accept the work as the truth.

null

Multiple Choice

a. True, b. False

b

3,796

NDQ_005836

scientific community

scientific experiments must be able to be replicated to protect the integrity of science.

null

Multiple Choice

a. True, b. False

a

3,797

NDQ_005837

scientific community

scientists who are part of a peer review can

null

Multiple Choice

a. Recommend or deny a paper for publication, b. Only recommend a paper for publication, c. Only deny a paper for publication, d. Do nothing about the paper for publication

a

3,798

NDQ_005838

scientific community

although a study may take place in a single laboratory, a scientist must present his/her work to:

null

Multiple Choice

a. The community of scientists in the field, b. The neighbors, c. Friends, d. Family members

a

3,799

NDQ_005839

scientific community

published scientific studies are very likely to be accurate because they

null

Multiple Choice

a. Are based on the beliefs of the scientists who published them., b. Are almost certain to have been done using scientific method., c. Were performed by scientists., d. All of these.

b