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8,400 | NDQ_003769 | acid rain | how are songbirds affected by acid rain? | null | null | Multiple Choice | a. They are killed when the rain touches their feathers., b. They do not thrive because their food sources die in the acid soils., c. Their eggshells become so thick that the young can’t get out., d. All of these. | b |
8,401 | NDQ_003770 | acid rain | arid regions do not get enough rain to have problems with acid rain. | null | null | Multiple Choice | a. True, b. False | b |
8,402 | NDQ_003771 | adaptation and evolution of populations | a mutation can be: | null | null | Multiple Choice | a. Beneficial, b. Harmful, c. Neutral, d. Any of the above | d |
8,403 | NDQ_003773 | adaptation and evolution of populations | if a region has brown sand and the mice are all brown, if a white mouse is born it | null | null | Multiple Choice | a. Means that there is a gene or genes for white fur in the population., b. Probably will not survive to reproduce., c. Will be favored if white sand blows in and covers the brown sand., d. All of the above. | d |
8,404 | NDQ_003774 | adaptation and evolution of populations | changes in genetic makeup of species over time is known as biological evolution. | null | null | Multiple Choice | a. True, b. False | a |
8,405 | NDQ_003775 | adaptation and evolution of populations | the mechanism for evolution is natural selection. | null | null | Multiple Choice | a. True, b. False | a |
8,406 | NDQ_003776 | adaptation and evolution of populations | a mutation that is harmful, may become beneficial if | null | null | Multiple Choice | a. The population changes., b. The environment changes., c. The genetic makeup of the population changes., d. None of these. | b |
8,407 | NDQ_003777 | adaptation and evolution of populations | in nebraska, natural selection favors deer mice that | null | null | Multiple Choice | a. Contrast with the color of the soil where they live., b. Are able to see over short grass., c. Match the color of the soil where they live., d. None of these | c |
8,408 | NDQ_003778 | adaptation and evolution of populations | an organism is most likely to evolve if its | null | null | Multiple Choice | a. Environment is changing., b. Environment is stable., c. Ancestors experienced a lot of mutations., d. Current individuals experience a lot of mutations. | a |
8,409 | NDQ_003779 | adaptation and evolution of populations | all the genetic variation that a population will have exists within it. | null | null | Multiple Choice | a. True, b. False | b |
8,410 | NDQ_003780 | adaptation and evolution of populations | changes in the genetic makeup of a population may result in | null | null | Multiple Choice | a. A new species., b. A beneficial adaptation., c. A new variety or subspecies., d. All of the above. | d |
8,411 | NDQ_003781 | age of earth | about how old is planet earth? | null | null | Multiple Choice | a. 6,000 years, b. 4.6 million years, c. 4.6 billion years, d. 6.0 billion years | c |
8,412 | NDQ_003782 | age of earth | how have scientists tried to calculate the age of earth? | null | null | Multiple Choice | a. Measure how much sediment a stream deposited in a year and calculate how long it would take to deposit a sediment layer., b. Calculate how long it would take for the Earth to cool to its current temperature from a molten ball., c. Calculate the rate of evolution and determine how long it would take for modern animals to evolve., d. All of these. | d |
8,413 | NDQ_003783 | age of earth | scientists can determine an exact number for the age of earth materials using radioactivity. | null | null | Multiple Choice | a. True, b. False | a |
8,414 | NDQ_003784 | age of earth | this material is thought to have formed when the solar system was forming __________________. | null | null | Multiple Choice | a. Earth’s oldest rocks, b. Meteorites, c. Earth’s atmosphere, d. All of the above | b |
8,415 | NDQ_003785 | age of earth | earths age is calculated using ages from | null | null | Multiple Choice | a. Meteorites, b. Earth’s oldest rocks., c. Lunar rocks., d. All of the above | d |
8,416 | NDQ_003786 | age of earth | lord kelvin calculated earths age at 100 million years. what he didnt know was that | null | null | Multiple Choice | a. Radioactive decay adds heat., b. The cooling rate of Earth materials is slower than he thought., c. Earth started out much hotter than he thought., d. All of these. | a |
8,417 | NDQ_003787 | age of earth | geologists have pieced together earth history using all of the scientific tools available to them. | null | null | Multiple Choice | a. True, b. False | a |
8,418 | NDQ_003788 | age of earth | earth had to be older than 100 million years because of | null | null | Multiple Choice | a. The amount of time it takes one stream to deposit a sediment layer., b. The amount of time it would take for Earth to cool., c. The length of time it would take for organisms to evolve into modern animals., d. The amount of time that passed since the dinosaurs died out. | c |
8,419 | NDQ_003789 | age of earth | many lines of evidence indicate that earth is 4.6 billion years old. | null | null | Multiple Choice | a. True, b. False | a |
8,420 | NDQ_003790 | age of earth | without radiometric dating, scientists would still know the absolute age of earth. | null | null | Multiple Choice | a. True, b. False | b |
8,421 | NDQ_003791 | agriculture and human population growth | which of these statements is true? | null | null | Multiple Choice | a. 10,000 years ago men hunted and fished, while women gathered nuts and vegetables, b. Many anthropologists believe that the carrying capacity of humans without agriculture is about 10 million, c. Advances in our brain capacity, erect posture and use of our hands helped advance the human population, d. All of the above | d |
8,422 | NDQ_003792 | agriculture and human population growth | farmers were able to increase the yield of food plants. | null | null | Multiple Choice | a. True, b. False | a |
8,423 | NDQ_003793 | agriculture and human population growth | agriculture allowed people to | null | null | Multiple Choice | a. Have food all year round, b. Settle down so that they no longer need to carry out all their possessions, c. Store food for when it is difficult to grow, d. All of the above | d |
8,424 | NDQ_003794 | agriculture and human population growth | the industrial revolution was a major historical event that allowed ________________. | null | null | Multiple Choice | a. People to live an agricultural lifestyle., b. Solar energy stored in fossil fuels to do the work that humans had done., c. People to make choices about population growth., d. All of the above | b |
8,425 | NDQ_003795 | agriculture and human population growth | one side benefit of the industrial revolution is that | null | null | Multiple Choice | a. People were free to develop the arts and culture., b. People no longer have to be scared by dark skies at night., c. People were freed from boring dangerous labor., d. None of the above | a |
8,426 | NDQ_003796 | agriculture and human population growth | the use of artificial fertilizers and chemical pesticides has not increased much in the past 50 years. | null | null | Multiple Choice | a. True, b. False | b |
8,427 | NDQ_003797 | agriculture and human population growth | this scientist in the eighteenth century predicted that human population would continue to grow until we had exhausted our resources. | null | null | Multiple Choice | a. Thomas Malthus, b. Thomas Edison, c. Alfred Wegener, d. Louis Leakey | a |
8,428 | NDQ_003798 | agriculture and human population growth | the green revolution has | null | null | Multiple Choice | a. Greatly increased agricultural productivity., b. Allowed the human population to increase by billions more than it would have., c. Use groundwater and fossil fuels in ways that are unsustainable., d. All of the above. | d |
8,429 | NDQ_003799 | agriculture and human population growth | it is possible that earths carrying capacity for humans is around 1 billion. | null | null | Multiple Choice | a. True, b. False | a |
8,430 | NDQ_003800 | agriculture and human population growth | human population is currently | null | null | Multiple Choice | a. Held down by limiting factors., b. Well with the limits of the population that Earth can support., c. Very likely exceeding Earth’s carrying capacity for humans., d. All of the above. | c |
8,431 | NDQ_003811 | air quality | all air pollutants are human-made materials. | null | null | Multiple Choice | a. True, b. False | b |
8,432 | NDQ_003812 | air quality | air pollution became more widespread as fossil fuels began to be burned for energy during the | null | null | Multiple Choice | a. American Revolution, b. Green Revolution, c. Industrial Revolution, d. Russian Revolution | c |
8,433 | NDQ_003813 | air quality | air pollution is | null | null | Multiple Choice | a. Released directly into the air., b. The result of chemical reactions., c. Still occurring despite the implementation of the Clean Air Act., d. All of these. | d |
8,434 | NDQ_003814 | air quality | photochemical smog is common in southern california because of | null | null | Multiple Choice | a. The abundance of cars and sunshine., b. The high number of industries., c. The intensive agriculture., d. The dust that blows off the deserts in the east. | a |
8,435 | NDQ_003815 | air quality | as of 2013, the clean air act regulates this many pollutants. | null | null | Multiple Choice | a. 89, b. 189, c. 289, d. 389 | a |
8,436 | NDQ_003816 | air quality | as of 2013, most of the smoggiest cities in the united states were in california. | null | null | Multiple Choice | a. True, b. False | a |
8,437 | NDQ_003817 | air quality | passage of the clean air act of 1970 was a response to | null | null | Multiple Choice | a. Air pollution events in which many people died., b. Awareness of the dangers of photochemical smog., c. Recognition that excess carbon dioxide was raising global temperatures., d. A & B | d |
8,438 | NDQ_003818 | air quality | the six important pollutants that were regulated in the clean air act of 1970 are | null | null | Multiple Choice | a. Carbon dioxide, methane, carbon monoxide, CFCs, water vapor and nitrous oxide, b. Benzene, perchloroethylene, methylene chloride, dioxin, and asbestos., c. Ozone, particulates, sulfur dioxide, nitrogen dioxide, carbon monoxide and lead., d. Cadmium, mercury, lead, chromium, sulfur and silver compounds. | c |
8,439 | NDQ_003819 | air quality | parts of california are especially susceptible to trapping smog due to its | null | null | Multiple Choice | a. Abundant mountain ranges, b. Inversions, c. Dry and wind-free conditions, d. All of these | d |
8,440 | NDQ_003820 | air quality | smog can build up on a winter day because inversions trap pollutants in a cool air mass. | null | null | Multiple Choice | a. True, b. False | a |
8,441 | NDQ_003821 | asteroids | an asteroid is | null | null | Multiple Choice | a. A rock and ice body that has a tail near the Sun., b. A rounded body with craters on it., c. A small rocky body that orbits the Sun., d. None of the above | c |
8,442 | NDQ_003822 | asteroids | asteroids | null | null | Multiple Choice | a. Came together to form the rocky planets., b. Came together to form the Moon., c. Hardly ever venture into the inner solar system., d. All of these. | a |
8,443 | NDQ_003823 | asteroids | asteroids are too small to have impacts with other objects so they dont have craters. | null | null | Multiple Choice | a. True, b. False | b |
8,444 | NDQ_003824 | asteroids | we dont know much about asteroids because they are too small for nasa missions to visit them. | null | null | Multiple Choice | a. True, b. False | b |
8,445 | NDQ_003825 | asteroids | asteroids | null | null | Multiple Choice | a. Are mostly found between the orbits of Jupiter and Saturn., b. Are still being discovered at a high rate., c. Could be added up to equal the mass of a Mars-sized planet., d. All of these. | b |
8,446 | NDQ_003826 | asteroids | the region where asteroids orbit between mars and jupiter is called _________. | null | null | Multiple Choice | a. The cometary zone, b. The near-Earth asteroid zone, c. The Kuiper Belt, d. The asteroid belt | d |
8,447 | NDQ_003827 | asteroids | near-earth asteroids can | null | null | Multiple Choice | a. Cross Earth’s orbit., b. Cause mass extinctions., c. Be over 1 km in diameter., d. All of the above. | d |
8,448 | NDQ_003828 | asteroids | an asteroid the size of mars hit earth sending fragments of earth into space to create the moon. | null | null | Multiple Choice | a. True, b. False | a |
8,449 | NDQ_003829 | asteroids | an asteroid could cause humans to go extinct. | null | null | Multiple Choice | a. True, b. False | a |
8,450 | NDQ_003830 | asteroids | scientists are interested in asteroids because many | null | null | Multiple Choice | a. Contain very valuable gemstones., b. Contain precious metals., c. Are representatives of the earliest solar system., d. Could have primitive life forms. | c |
8,451 | NDQ_003831 | availability of natural resources | which factor affects resource availability? | null | null | Multiple Choice | a. Supply, b. Price, c. Politics, d. All of the above | d |
8,452 | NDQ_003832 | availability of natural resources | if a nation is wealthy, it can determine the price of a resource. | null | null | Multiple Choice | a. True, b. False | b |
8,453 | NDQ_003833 | availability of natural resources | nonrenewable resources | null | null | Multiple Choice | a. Are usually quite limited in abundance., b. Are extremely valuable., c. May be extremely abundant., d. Are rarely very valuable. | c |
8,454 | NDQ_003834 | availability of natural resources | overconsumption is the recognition that people in developed countries use many more natural resources than people in developing countries. | null | null | Multiple Choice | a. True, b. False | a |
8,455 | NDQ_003835 | availability of natural resources | discarding an item costs natural resources and contributes to pollution. | null | null | Multiple Choice | a. True, b. False | a |
8,456 | NDQ_003836 | availability of natural resources | another word for electronic waste is ___________. | null | null | Multiple Choice | a. E-waste, b. E-cycle, c. Electro-garbage, d. Electro-trash. | a |
8,457 | NDQ_003837 | availability of natural resources | a nation with a lot of neodymium may __________ that resource to other countries that will __________ it. | null | null | Multiple Choice | a. Export; export, b. Export; import, c. Import; export, d. Import; import | b |
8,458 | NDQ_003838 | availability of natural resources | electronic waste generated in developed nations | null | null | Multiple Choice | a. Is disposed of safely., b. Is not valuable to anyone., c. Exposes people in developing nations to hazardous compounds., d. None of these. | c |
8,459 | NDQ_003839 | availability of natural resources | since natural resources are distributed fairly evenly around the planet, nations can usually obtain what they need. | null | null | Multiple Choice | a. True, b. False | b |
8,460 | NDQ_003840 | availability of natural resources | if a resource becomes scarce, the result may be | null | null | Multiple Choice | a. A rise in price of that resource., b. Interest in finding more of that resource., c. War., d. All of these. | d |
8,461 | NDQ_003851 | bathymetric evidence for seafloor spreading | very flat areas that make up much of the ocean floor are | null | null | Multiple Choice | a. Plateaus, b. Trenches, c. Abyssal Plains, d. Mid-ocean ridges | c |
8,462 | NDQ_003852 | bathymetric evidence for seafloor spreading | on a bathymetric map where shallower depths are lighter blue and deeper depths are darker blue | null | null | Multiple Choice | a. The light blue gashes are mid-ocean ridges and the dark thin lines are the trenches., b. The mid-ocean ridges are dark blue lines and the trenches are light blue arcs., c. The entire ocean floor appears as a deep blue., d. The deepest depths are along the mid-ocean ridges and the shallowest depths are along the abyssal plains. | a |
8,463 | NDQ_003853 | bathymetric evidence for seafloor spreading | longest chain of mountains in the world. | null | null | Multiple Choice | a. Abyssal plains, b. Trenches, c. Continental margins, d. Mid-ocean ridges | d |
8,464 | NDQ_003854 | bathymetric evidence for seafloor spreading | to map seafloor bathymetry, a research vessel uses an echo sounder, which | null | null | Multiple Choice | a. Uses a sound beam to determine the depth to the seafloor., b. Takes photos of the seafloor and then creates a map from them., c. Carries a crew of three scientists and pilots to map the seafloor., d. Is dropped to the seafloor on a line with the length of the line that is submerged indicating seafloor depth in that area. | a |
8,465 | NDQ_003855 | bathymetric evidence for seafloor spreading | the study of underwater depth of lake or ocean floor. | null | null | Multiple Choice | a. Geomorphology, b. Climatology, c. Bathymetry, d. Glaciology | c |
8,466 | NDQ_003856 | bathymetric evidence for seafloor spreading | from the bottom of the deepest trench to the top of the highest mountain, the relief of the pacific ocean basin totals nearly 70,000 feet. | null | null | Multiple Choice | a. True, b. False | a |
8,467 | NDQ_003857 | bathymetric evidence for seafloor spreading | this is the transition from the land to the deep sea. | null | null | Multiple Choice | a. Continental Drift, b. Continental Shelf, c. Continental Rise, d. Continental Margin | d |
8,468 | NDQ_003858 | bathymetric evidence for seafloor spreading | earths tallest mountain from base to top is | null | null | Multiple Choice | a. Everest, b. Mauna Kea, c. Chimborazo, d. McKinley | b |
8,469 | NDQ_003859 | bathymetric evidence for seafloor spreading | the continental shelf is made up of the continental margin, continental slope and continental rise. | null | null | Multiple Choice | a. True, b. False | b |
8,470 | NDQ_003860 | bathymetric evidence for seafloor spreading | the deepest canyon in the ocean floor. | null | null | Multiple Choice | a. Hellenic Trench, b. Philippine Trench, c. Marianas Trench, d. Japan Trench | c |
8,471 | NDQ_003861 | big bang | the big bang theory is a hypothesis that states that all matter and energy were at one time compressed into a small volume and then ____________. | null | null | Multiple Choice | a. Imploded, b. Expanded outward, c. Stayed compressed, d. None of the above | b |
8,472 | NDQ_003862 | big bang | the first stars didnt form until about 4 billion years after the big bang. | null | null | Multiple Choice | a. True, b. False | b |
8,473 | NDQ_003863 | big bang | according to the big bang theory, the universe began | null | null | Multiple Choice | a. 1 billion years ago, b. 3.7 billion years ago, c. 13.7 billion years ago, d. 23.7 billion years ago | c |
8,474 | NDQ_003864 | big bang | at the time of the big bang and just after | null | null | Multiple Choice | a. All the matter and energy of the universe was compressed into a point., b. After a few seconds, protons, neutrons and electrons formed., c. After a few minutes, hydrogen formed., d. All of the above. | d |
8,475 | NDQ_003865 | big bang | during the immediate aftermath of the big bang, hydrogen nuclei collided and fused into __________ nuclei. | null | null | Multiple Choice | a. Oxygen, b. Carbon, c. Helium, d. Potassium | c |
8,476 | NDQ_003866 | big bang | in the early universe, matter was held together by which force? | null | null | Multiple Choice | a. Gravity, b. Centrifugal, c. Inertia, d. Attractive | a |
8,477 | NDQ_003867 | big bang | scientists have discovered the temperature of space is 3oc. | null | null | Multiple Choice | a. True, b. False | b |
8,478 | NDQ_003868 | big bang | which of the following is true? | null | null | Multiple Choice | a. The temperature of space in the universe is 0 Kelvin., b. A tiny amount of heat left over from the Big Bang is spread around the universe., c. Galaxies and the space between them are the same temperature., d. There is no evidence for the Big Bang beyond the expanding universe. | b |
8,479 | NDQ_003869 | big bang | at the farthest edges of what scientists can see, there are | null | null | Multiple Choice | a. Galaxies that formed not long after the Big Bang., b. Galaxies that formed recently., c. No things that astronomers can identify., d. Nothing but blobs of gas and dust. | a |
8,480 | NDQ_003870 | big bang | its very difficult to determine scientifically what existed before the big bang because there is no evidence. | null | null | Multiple Choice | a. True, b. False | a |
8,481 | NDQ_003901 | carbon cycle and climate | which statement is not true about carbon? | null | null | Multiple Choice | a. It is the most common element in the human body, b. Diamonds are made of carbon, c. It is part of CO2, d. Fats contain carbon | a |
8,482 | NDQ_003902 | carbon cycle and climate | you breathe in oxygen and breathe out carbon dioxide. | null | null | Multiple Choice | a. True, b. False | a |
8,483 | NDQ_003903 | carbon cycle and climate | the waste product of photosynthesis is | null | null | Multiple Choice | a. Glucose, b. Carbon dioxide, c. Oxygen, d. All of the above | c |
8,484 | NDQ_003904 | carbon cycle and climate | respiration and photosynthesis are gas exchange processes with the exchange being between co2 and o2. | null | null | Multiple Choice | a. True, b. False | a |
8,485 | NDQ_003905 | carbon cycle and climate | in photosynthesis, plants change this into chemical energy that plants and animals can use as food. | null | null | Multiple Choice | a. Sunlight, b. Oxygen, c. Sugar, d. All of the above | a |
8,486 | NDQ_003907 | carbon cycle and climate | this is an example of a carbon source. | null | null | Multiple Choice | a. Forest, b. Ocean, c. Fault, d. Volcano | d |
8,487 | NDQ_003908 | carbon cycle and climate | the amount of carbon dioxide in the atmosphere is very low, but small changes make a big difference. | null | null | Multiple Choice | a. True, b. False | a |
8,488 | NDQ_003909 | carbon cycle and climate | some things are sinks for co2 until they are burned or warmed and then they become sources, including: | null | null | Multiple Choice | a. Forests, b. Fossil fuels, c. Oceans, d. All of these | d |
8,489 | NDQ_003910 | carbon cycle and climate | on mauna loa volcano in the pacific ocean, co2 content has changed from __________ in 1958 to around __________ in 2014. | null | null | Multiple Choice | a. 316 ppm; 400 ppm, b. 316 ppm; 350 ppm, c. 416 ppm; 420 ppm, d. 416 ppm; 500 ppm | a |
8,490 | NDQ_003911 | causes of air pollution | most air pollutants come from | null | null | Multiple Choice | a. Burning fossil fuels, b. Solar panels, c. Wind turbines, d. None of the above | a |
8,491 | NDQ_003912 | causes of air pollution | emission control devices placed on power plants to comply with the clean air act have ______________________________ coming from a smokestack. | null | null | Multiple Choice | a. Reduced the amount of greenhouse gases coming, b. Increased the amount of acid rain-causing chemicals, c. Reduced the amount of pollution that we see, d. All of the above | c |
8,492 | NDQ_003913 | causes of air pollution | nearly half of all air pollution comes from | null | null | Multiple Choice | a. Factories, b. Power plants, c. Transportation, d. Burning wood | c |
8,493 | NDQ_003914 | causes of air pollution | if fossil fuels like coal and petroleum are not pure they may | null | null | Multiple Choice | a. Produce only greenhouse gases., b. Produce more pollutants., c. Produce more ozone directly., d. All of these. | b |
8,494 | NDQ_003915 | causes of air pollution | when coal is burned, this highly toxic element can also be emitted. | null | null | Multiple Choice | a. Mercury, b. Sulfur, c. Oxygen, d. Water | a |
8,495 | NDQ_003917 | causes of air pollution | burning trees produces most of the same pollutants as burning fossil fuels. | null | null | Multiple Choice | a. True, b. False | a |
8,496 | NDQ_003918 | causes of air pollution | burning forests increases greenhouse gases by releasing _____________. | null | null | Multiple Choice | a. Nitrogen, b. Oxygen, c. Methane, d. Carbon dioxide | d |
8,497 | NDQ_003919 | causes of air pollution | volatile organic compounds enter the atmosphere by | null | null | Multiple Choice | a. Evaporation, b. Mixing with water vapor, c. Biomass burning, d. All of the above | a |
8,498 | NDQ_003920 | causes of air pollution | slash-and-burn can lead to these pollutants: | null | null | Multiple Choice | a. Carbon dioxide, b. Methane, c. Particulates, d. All of these. | d |
8,499 | NDQ_003931 | characteristics and origins of life | which is not a characteristic of all life? | null | null | Multiple Choice | a. Be organic, b. Have a metabolism, c. Be capable of replication/reproduction, d. Have a heartbeat | d |
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