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8,700 | NDQ_004292 | earths interior material | material that formed in the early solar system is found on earth as | null | null | Multiple Choice | a. Oceanic crust., b. Material that comes to the surface from the mantle., c. Material that comes to the surface from the core., d. Meteorites. | d |
8,701 | NDQ_004293 | earths interior material | earths internal layer with the highest density is the | null | null | Multiple Choice | a. Oceanic crust, b. Mantle, c. Outer core, d. Inner Core | d |
8,702 | NDQ_004294 | earths interior material | one of the reasons we know that earths core is metallic is | null | null | Multiple Choice | a. The magnetic field., b. Core samples that travel through the planet to the surface., c. The attraction of solar wind to our planet., d. Moon’s gravitational attraction to Earth. | a |
8,703 | NDQ_004295 | earths interior material | scientists learn about earths interior from seismic waves, rocks and calculations of density and magnetism. | null | null | Multiple Choice | a. True, b. False | a |
8,704 | NDQ_004296 | earths interior material | who wrote a journey to the center of the earth? | null | null | Multiple Choice | a. Rowling, b. Alfred Wegener, c. Jules Verne, d. Stein | c |
8,705 | NDQ_004297 | earths interior material | which of the following materials is the most dense? | null | null | Multiple Choice | a. Metal, b. Mafic rock, c. Felsic rock, d. Mantle rock | a |
8,706 | NDQ_004298 | earths interior material | iron and nickel are both magnetic. | null | null | Multiple Choice | a. True, b. False | a |
8,707 | NDQ_004299 | earths interior material | we cant travel to the center of the earth in a volcanic tube because the pressure is so great it would close any tube that existed. | null | null | Multiple Choice | a. True, b. False | a |
8,708 | NDQ_004310 | earths magnetic field | without earths magnetic field | null | null | Multiple Choice | a. Compasses would not work, b. Solar winds would strip away ozone from the atmosphere., c. Life would be exposed to ultraviolet radiation, d. All of the above | d |
8,709 | NDQ_004311 | earths magnetic field | what generates earths magnetic field? | null | null | Multiple Choice | a. Convection in the atmosphere., b. A giant bar magnet inside the planet., c. Convection in the liquid outer core, d. Solar wind. | c |
8,710 | NDQ_004312 | earths magnetic field | earths magnetic field | null | null | Multiple Choice | a. Has a north and south pole., b. Behaves like iron filings are inside the planet.., c. Arises due to radiation in the liquid outer core., d. All of these. | a |
8,711 | NDQ_004313 | earths magnetic field | sometimes earths magnetic north pole becomes its magnetic south pole and vice versa. | null | null | Multiple Choice | a. True, b. False | a |
8,712 | NDQ_004314 | earths magnetic field | scientists know that the reason the magnetic field flips is this: | null | null | Multiple Choice | a. Convection becomes chaotic and reverse direction., b. An asteroid impact disrupts motions in the core., c. Excess volcanism causes chaos in the mantle., d. None of these; scientists do now know why this happens. | d |
8,713 | NDQ_004315 | earths magnetic field | scientists model magnetic reversals to try to determine why they occur. | null | null | Multiple Choice | a. True, b. False | a |
8,714 | NDQ_004316 | earths magnetic field | the outer core is made of | null | null | Multiple Choice | a. Iron alone, b. Iron and nickel, c. Peridotite, d. Peridotite, iron and nickel | b |
8,715 | NDQ_004317 | earths magnetic field | which of these is a possibility for why earths magnetic field has flipped? | null | null | Multiple Choice | a. The convection currents reversed itself, b. An asteroid impact disrupted the motion in the core, c. The heat from the sun, d. Both a and b | d |
8,716 | NDQ_004318 | earths magnetic field | earths magnetic field has disappeared for long periods of time in earth history. | null | null | Multiple Choice | a. True, b. False | b |
8,717 | NDQ_004319 | earths magnetic field | without earths magnetic field, complex life could probably not exist. | null | null | Multiple Choice | a. True, b. False | a |
8,718 | NDQ_004330 | earths shape | earths shape is | null | null | Multiple Choice | a. A sphere., b. An oblate spheroid., c. A perfect circle., d. Flat. | b |
8,719 | NDQ_004331 | earths shape | between the equator and the north pole is earths | null | null | Multiple Choice | a. Northern quartersphere., b. Northern halfsphere., c. Northern hemisphere., d. Northern demisphere. | c |
8,720 | NDQ_004332 | earths shape | the planets of the solar system are spherical because of | null | null | Multiple Choice | a. Centrifugal force., b. Gravity., c. Their spin., d. Their rock type. | b |
8,721 | NDQ_004333 | earths shape | earths hemispheres are | null | null | Multiple Choice | a. Northern and southern, b. Eastern and western, c. Northeastern and southwestern, d. Northern, southern, eastern and western | b |
8,722 | NDQ_004334 | earths shape | it wasnt until johannes kepler that people realized that earth was round. | null | null | Multiple Choice | a. True, b. False | b |
8,723 | NDQ_004335 | earths shape | earths shape is a bit squished at the poles and bulges at the equator. | null | null | Multiple Choice | a. True, b. False | a |
8,724 | NDQ_004336 | earths shape | which of these is evidence that the earth is not flat? | null | null | Multiple Choice | a. A ship going out to sea getting smaller as if moves further away from you., b. The shadows of the moon during a lunar eclipse., c. The sun rising and setting as an arc., d. All of the above | b |
8,725 | NDQ_004337 | earths shape | this ancient civilization knew the earth was round. | null | null | Multiple Choice | a. Romans, b. Greeks, c. Mayans, d. Aztecs | b |
8,726 | NDQ_004338 | earths shape | earths minor axis is the diameter through its poles. | null | null | Multiple Choice | a. True, b. False | a |
8,727 | NDQ_004339 | earths shape | the diameter through the poles is larger than the diameter through the equator. | null | null | Multiple Choice | a. True, b. False | b |
8,728 | NDQ_004350 | eclipses | a total solar eclipse is when | null | null | Multiple Choice | a. The Sun’s shadow completely blocks the Moon, b. The Moon’s shadow completely blocks the Sun, c. The Earth’s shadow completely blocks the Sun, d. The Earth’s shadow completely blocks the Moon | b |
8,729 | NDQ_004351 | eclipses | during a solar eclipse | null | null | Multiple Choice | a. The Moon passes directly between the Earth and the Sun, b. The Sun passes directly between the Earth and Moon, c. The Earth passes directly between the Sun and Moon, d. None of the above | a |
8,730 | NDQ_004352 | eclipses | a solar eclipse occurs when the moons shadow completely blocks the sun. | null | null | Multiple Choice | a. True, b. False | a |
8,731 | NDQ_004353 | eclipses | solar eclipses last only a few minutes because the moon casts a small shadow. | null | null | Multiple Choice | a. True, b. False | a |
8,732 | NDQ_004354 | eclipses | during a lunar eclipse, darkness in the middle of the day may cause temperatures to cool and stars to become visible. | null | null | Multiple Choice | a. True, b. False | b |
8,733 | NDQ_004355 | eclipses | a lunar eclipse is when | null | null | Multiple Choice | a. The Moon is between the Earth and Sun., b. The Sun is between the Earth and Moon., c. The Earth is in between the Sun and Moon., d. None of the above. | c |
8,734 | NDQ_004356 | eclipses | the inner, cone-shaped part of the shadow, in which all of the light has been blocked. | null | null | Multiple Choice | a. Umbrella, b. Penumbra, c. Umbra, d. Pendulum | c |
8,735 | NDQ_004357 | eclipses | which of these is true of a total lunar eclipse? | null | null | Multiple Choice | a. The whole moon enters Earth’s umbra., b. It lasts for hours., c. It can be viewed from any place on Earth that has a view of the Moon., d. All of these. | d |
8,736 | NDQ_004358 | eclipses | the penumbra is the inner, cone-shaped part of the shadow, in which all light has been blocked. | null | null | Multiple Choice | a. True, b. False | b |
8,737 | NDQ_004359 | eclipses | why dont we see a lunar eclipse once each month? | null | null | Multiple Choice | a. There is not a full moon that often., b. Earth and Moon’s orbits are not on exactly the same plane., c. There is one each month, but not always in the same location., d. The Moon enters Earth’s penumbra each month, but not its umbra. | b |
8,738 | NDQ_004371 | effect of latitude on climate | the polar regions receive the most solar radiation because their summer days are 6 month long. | null | null | Multiple Choice | a. True, b. False | b |
8,739 | NDQ_004372 | effect of latitude on climate | in the polar region, the night lasts | null | null | Multiple Choice | a. For 12 hours, b. For 6 days, c. For 6 hours, d. For 6 months | d |
8,740 | NDQ_004373 | effect of latitude on climate | the number of hours of daylight is equal all year long at the equator. | null | null | Multiple Choice | a. True, b. False | a |
8,741 | NDQ_004374 | effect of latitude on climate | what causes western europe to be warmer than the rest of europe? | null | null | Multiple Choice | a. The Gulf Stream, b. The Benguela Current, c. The Arctic Current, d. The East Australian Current | a |
8,742 | NDQ_004375 | effect of latitude on climate | latitude is the only factor that determines the temperature of a region. | null | null | Multiple Choice | a. True, b. False | b |
8,743 | NDQ_004376 | effect of latitude on climate | at the equator, the sun is just about directly overhead at midday. | null | null | Multiple Choice | a. True, b. False | a |
8,744 | NDQ_004377 | effect of latitude on climate | the equatorial region in south america should be hot, but is actually cool. there is a similar zone of cool at nearly the same latitude in africa. what is the reason for these equatorial cool zones? | null | null | Multiple Choice | a. Rising warm air causes precipitation and leads to the growth of rainforests., b. High plateaus collect snow and ice so there is high albedo., c. Sinking air from higher in the atmosphere brings cool air downward., d. None of these. | a |
8,745 | NDQ_004378 | effect of latitude on climate | what prevents the poles from getting sunlight half the year? | null | null | Multiple Choice | a. Earth’s elliptical orbit., b. The tilt of Earth’s axis of rotation., c. The high albedo of the polar regions., d. None of these. | b |
8,746 | NDQ_004379 | effect of latitude on climate | if a map of temperature displayed stripes parallel to the equator with equal temperatures the distance north and south of the equator, it would mean that only __________ affected temperature. | null | null | Multiple Choice | a. Longitude, b. Altitude, c. Latitude, d. Albedo | c |
8,747 | NDQ_004380 | effects of air pollution on human health | which of these can cause lung disease and increased rates of asthma, emphysema, and viral infections? | null | null | Multiple Choice | a. Particulates, b. Nitrogen oxide, c. Sulfur oxide, d. All of the above. | d |
8,748 | NDQ_004381 | effects of air pollution on human health | high ozone levels cause | null | null | Multiple Choice | a. Diseases of the reproductive system, b. Heart and lung disease, c. Gastrointestinal diseases, d. All of the above. | b |
8,749 | NDQ_004382 | effects of air pollution on human health | in the united states, particulates are responsible for this many deaths a year. | null | null | Multiple Choice | a. 300, b. 3,000, c. 30,000, d. 300,000 | c |
8,750 | NDQ_004383 | effects of air pollution on human health | shutting down vehicle traffic in a region results in a reduction in | null | null | Multiple Choice | a. Hospital visits due to asthma, b. Gastrointestinal diseases, c. Anemia, d. All of the above | a |
8,751 | NDQ_004384 | effects of air pollution on human health | due to air pollution, this disease is increasing, even for people who do not smoke. | null | null | Multiple Choice | a. Stroke, b. Heart disease, c. Asthma, d. Lung cancer | d |
8,752 | NDQ_004385 | effects of air pollution on human health | scientists are certain that the increase in air pollution is causing the increase in lung cancer. | null | null | Multiple Choice | a. True, b. False | b |
8,753 | NDQ_004386 | effects of air pollution on human health | a person exposed to air pollution is more likely to get lung cancer. | null | null | Multiple Choice | a. True, b. False | a |
8,754 | NDQ_004387 | effects of air pollution on human health | in poorly ventilated spaces, such as tunnels, this gas can kill people. | null | null | Multiple Choice | a. Carbon dioxide, b. Lead, c. Carbon monoxide, d. Methane | c |
8,755 | NDQ_004388 | effects of air pollution on human health | breathing air into which weve emitted pollutants is not much different from throwing trash in our food supply and eating it. | null | null | Multiple Choice | a. True, b. False | a |
8,756 | NDQ_004389 | effects of air pollution on human health | according to one study, no amount of air pollution is safe to breathe. | null | null | Multiple Choice | a. True, b. False | a |
8,757 | NDQ_004410 | electromagnetic energy in the atmosphere | if you live in a desert, the best car to buy to avoid a hot interior is one that is | null | null | Multiple Choice | a. White, b. Yellow, c. Blue, d. Black | a |
8,758 | NDQ_004411 | electromagnetic energy in the atmosphere | radiation transfers energy by electromagnetic waves. | null | null | Multiple Choice | a. True, b. False | a |
8,759 | NDQ_004412 | electromagnetic energy in the atmosphere | the law of conservation of energy states that energy | null | null | Multiple Choice | a. cannot be created, b. cannot be destroyed, c. can change forms, d. All of the above | d |
8,760 | NDQ_004413 | electromagnetic energy in the atmosphere | violet light has the longest wavelengths for visible light. | null | null | Multiple Choice | a. True, b. False | b |
8,761 | NDQ_004414 | electromagnetic energy in the atmosphere | plants convert solar energy to chemical energy. | null | null | Multiple Choice | a. True, b. False | a |
8,762 | NDQ_004415 | electromagnetic energy in the atmosphere | the measure of how well a surface reflects light: | null | null | Multiple Choice | a. Mirroring, b. Albedo, c. Refraction, d. Prism | b |
8,763 | NDQ_004416 | electromagnetic energy in the atmosphere | a snow field has a low albedo. | null | null | Multiple Choice | a. True, b. False | b |
8,764 | NDQ_004417 | electromagnetic energy in the atmosphere | why would it be adaptive for a snake to see infrared energy? | null | null | Multiple Choice | a. As a reptile, it can then know where to go to warm up on cold mornings., b. As an animal, it can avoid locations where infrared radiation is high., c. As a predator, it is better able to locate a prey animal if it can “see” its body heat., d. None of these. | c |
8,765 | NDQ_004418 | electromagnetic energy in the atmosphere | this breaks up light into different wavelengths, separating light into different colors. | null | null | Multiple Choice | a. Mirror, b. Prism, c. Glass, d. Screen | b |
8,766 | NDQ_004419 | electromagnetic energy in the atmosphere | which two items radiate energy? | null | null | Multiple Choice | a. A mirror and a prism, b. The moon and Jupiter, c. The moon and the sun, d. The sun and a light bulb | d |
8,767 | NDQ_004420 | energy conservation | what are two ways that energy can be conserved? | null | null | Multiple Choice | a. Use less energy, b. Create more energy, as needed., c. Use energy more efficiently, d. Use less energy and use energy more efficiently. | a |
8,768 | NDQ_004421 | energy conservation | in 2004, the united states used most of its energy on ________________. | null | null | Multiple Choice | a. Transportation, b. Residential use, c. Industrial use, d. Commercial use | a |
8,769 | NDQ_004422 | energy conservation | which of these are ways we can use less energy in our homes? | null | null | Multiple Choice | a. Turn off lights when not in a room, b. Only run appliances when necessary, c. Use a fan instead of an air conditioner, d. All of the above | d |
8,770 | NDQ_004423 | energy conservation | if you are driving, you can use energy more efficiently if you drive ___________. | null | null | Multiple Choice | a. Above 90 miles per hour, b. Below 55 miles per hour, c. Above 55 miles per hour, d. Between 60 and 70 miles per hour | b |
8,771 | NDQ_004424 | energy conservation | in a business, it is possible to conserve energy by | null | null | Multiple Choice | a. Using incandescent lights., b. Setting thermostats to turn off when buildings are empty., c. Keeping appliances plugged in so they are ready to go on Monday morning., d. All of these. | b |
8,772 | NDQ_004425 | energy conservation | conserving energy is cleaner and cheaper than finding new energy. | null | null | Multiple Choice | a. True, b. False | a |
8,773 | NDQ_004426 | energy conservation | why is it good to conserve energy? | null | null | Multiple Choice | a. Sources of energy that are limited will be available in the future., b. It is much cheaper to conserve energy than to develop new energy sources., c. Energy that is not used does not produce pollution., d. All of these. | d |
8,774 | NDQ_004427 | energy conservation | which type of light is more energy efficient? | null | null | Multiple Choice | a. Incandescent Lights, b. LEAD bulbs, c. Compact fluorescent bulbs, d. None of these. | c |
8,775 | NDQ_004428 | energy conservation | to be energy efficient at home | null | null | Multiple Choice | a. Use old appliances, even if they no longer run well., b. Make sure your home is well insulated., c. Keep the heat (or air conditioning, d. All of these. | b |
8,776 | NDQ_004429 | energy conservation | using energy more efficiently will help our energy resources last a longer time. | null | null | Multiple Choice | a. True, b. False | a |
8,777 | NDQ_004430 | energy from biomass | which of the following can be used as biofuel? | null | null | Multiple Choice | a. Almond shells., b. Algae, c. Corn., d. All of these. | d |
8,778 | NDQ_004431 | energy from biomass | compared to other forms of renewable energy, biomass energy | null | null | Multiple Choice | a. Is less reliable., b. Burns more cleanly, with less greenhouse gas emissions., c. Can be processed into a liquid for use in cars., d. All of these. | c |
8,779 | NDQ_004433 | energy from biomass | fossil fuels burn cleaner than biofuels. | null | null | Multiple Choice | a. True, b. False | b |
8,780 | NDQ_004434 | energy from biomass | cow manure can be a source of methane gas, which can be converted to electricity. | null | null | Multiple Choice | a. True, b. False | a |
8,781 | NDQ_004435 | energy from biomass | the considerations needed when using biomass for fuel includes | null | null | Multiple Choice | a. Many crops need fertilizers to grow, which can become pollutants., b. Some crops emit no greenhouse gases when burned., c. Crops are more efficient than wastes as biofuels., d. All of these. | a |
8,782 | NDQ_004436 | energy from biomass | to create biomass energy, breakdown of the ______ of plants is needed. | null | null | Multiple Choice | a. Mitochondria, b. Cell walls, c. Cytoplasm, d. Nucleus | b |
8,783 | NDQ_004437 | energy from biomass | biomass from which sugars are released and fermented create fuel. | null | null | Multiple Choice | a. True, b. False | a |
8,784 | NDQ_004438 | energy from biomass | wood has been one of the oldest fuels used for warmth or to cook food. | null | null | Multiple Choice | a. True, b. False | a |
8,785 | NDQ_004439 | energy from biomass | why is algae considered a better option as source of biofuels than corn? | null | null | Multiple Choice | a. Algae is easier to convert to a usable fuel., b. Algae can be grown in locations where crops can’t., c. Algae can thrive on waste., d. All of the above. | d |
8,786 | NDQ_004440 | energy use | the most commonly used energy resource in the u.s. is | null | null | Multiple Choice | a. oil., b. coal., c. natural gas., d. none of the above | a |
8,787 | NDQ_004441 | energy use | all of the energy resources listed in question 1 are nonrenewable resources. | null | null | Multiple Choice | a. true, b. false | a |
8,788 | NDQ_004442 | energy use | examples of renewable energy resources include | null | null | Multiple Choice | a. wind energy., b. solar energy., c. biomass energy., d. all of the above | d |
8,789 | NDQ_004443 | energy use | in the u.s., the most commonly used renewable energy resource is solar energy. | null | null | Multiple Choice | a. true, b. false | b |
8,790 | NDQ_004444 | energy use | people in the u.s. use far more energy per person than people in any other country. | null | null | Multiple Choice | a. true, b. false | a |
8,791 | NDQ_004446 | energy use | the worlds top five oil-consuming nations include all of the following except | null | null | Multiple Choice | a. India., b. Japan., c. Canada., d. China. | c |
8,792 | NDQ_004450 | environmental impacts of mining | the damage done by surface mining includes | null | null | Multiple Choice | a. Clearing the landscape of trees and soil., b. Erosion of sediments into streams and lakes., c. Pollutants and acids flow outward from mines., d. All of these. | d |
8,793 | NDQ_004451 | environmental impacts of mining | this product of mining can change the composition of nearby streams and lakes | null | null | Multiple Choice | a. Water, b. Precious metals, c. Acids, d. All of the above | c |
8,794 | NDQ_004452 | environmental impacts of mining | acid flowing from coal mines in missouri polluted the water and land. | null | null | Multiple Choice | a. True, b. False | a |
8,795 | NDQ_004453 | environmental impacts of mining | older mines must also be reclaimed by u.s. law. | null | null | Multiple Choice | a. True, b. False | b |
8,796 | NDQ_004454 | environmental impacts of mining | reclamation of a mine area may include | null | null | Multiple Choice | a. Filling pits with sediment, reshaping the land and planting vegetation., b. Putting a cap on the mine and leaving., c. Planting vegetation over the mine., d. Reclamation is not a goal of most mine owners. | a |
8,797 | NDQ_004455 | environmental impacts of mining | personal electronics are full of metals and other substances that come from mining. | null | null | Multiple Choice | a. True, b. False | a |
8,798 | NDQ_004456 | environmental impacts of mining | how does mining affect streams and lakes? | null | null | Multiple Choice | a. They may become full of sediment., b. They may become full of pollutants., c. They may become full of acid., d. All of these. | d |
8,799 | NDQ_004457 | environmental impacts of mining | heavy metals are among the pollutants that can come off a mine. | null | null | Multiple Choice | a. True, b. False | a |
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