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9,100 | NDQ_004867 | human evolution | modern humans are in the species | null | null | Multiple Choice | a. Homo sapiens, b. Homo erectus, c. Homo neanderthalensis, d. None of the above | a |
9,101 | NDQ_004868 | human evolution | scientists are certain that our ancestors had a spiritual life at around 32,000 years ago as evidenced by their carved stone figurines. | null | null | Multiple Choice | a. True, b. False | b |
9,102 | NDQ_004869 | human evolution | during the ice ages, humans walked over ________ from the old world to the new world. | null | null | Multiple Choice | a. Water bridges, b. The Bering Strait, c. The Atlantic land bridge, d. The water. | b |
9,103 | NDQ_004880 | igneous rocks | igneous rocks are classified by their | null | null | Multiple Choice | a. Composition and density., b. Density and texture., c. Texture and composition., d. None of these. | c |
9,104 | NDQ_004881 | igneous rocks | what are the properties of mafic rock? | null | null | Multiple Choice | a. High density., b. Dark color., c. Contains olivine., d. All of the above. | d |
9,105 | NDQ_004882 | igneous rocks | ultramafic igneous rocks have the lowest amount of silica of any igneous rocks. | null | null | Multiple Choice | a. True, b. False | a |
9,106 | NDQ_004883 | igneous rocks | the composition of an igneous rock is related to the rocks | null | null | Multiple Choice | a. Crystal size., b. Density., c. Location where it formed., d. All of these. | b |
9,107 | NDQ_004884 | igneous rocks | the mineral quartz is likely to be found in __________ rocks. | null | null | Multiple Choice | a. felsic, b. intermediate, c. mafic, d. ultramafic | a |
9,108 | NDQ_004885 | igneous rocks | granite is a type of felsic rock. | null | null | Multiple Choice | a. True, b. False | a |
9,109 | NDQ_004886 | igneous rocks | which of these minerals or rocks are ultramafic? | null | null | Multiple Choice | a. Komatiite, b. Olivine, c. Peridotite, d. All of the above | d |
9,110 | NDQ_004887 | igneous rocks | if you were trying to identify a light colored igneous rock with tiny crystals, you would look at these rock types | null | null | Multiple Choice | a. Mafic Intrusive, b. Mafic extrusive, c. Felsic intrusive, d. Felsic extrusive | d |
9,111 | NDQ_004888 | igneous rocks | granite and andesite have the same composition but different texture. | null | null | Multiple Choice | a. True, b. False | b |
9,112 | NDQ_004889 | igneous rocks | gabbro and basalt have the same composition but different texture. | null | null | Multiple Choice | a. True, b. False | a |
9,113 | NDQ_004890 | impact of continued global warming | temperature increases are predicted to happen | null | null | Multiple Choice | a. Uniformly around the globe., b. In the polar regions more than in the equatorial regions., c. Only in the polar regions., d. Only in the equatorial regions. | b |
9,114 | NDQ_004891 | impact of continued global warming | if nothing is done to shift society away from using fossil fuels, | null | null | Multiple Choice | a. The rate of increase in emissions will continue to increase., b. The rate of increase in emissions will slow down., c. The emissions rate will remain the same., d. The emissions rate will begin to decrease. | a |
9,115 | NDQ_004892 | impact of continued global warming | water shortages will become a problem in some areas because | null | null | Multiple Choice | a. Drought will become more common and more severe., b. Groundwater resources will be reduced., c. Reduced snowpack and earlier spring will reduce snowmelt as a summer water source., d. All of these. | c |
9,116 | NDQ_004893 | impact of continued global warming | even an increase of global temperature of 1oc would make a difference to earths environment. | null | null | Multiple Choice | a. True, b. False | a |
9,117 | NDQ_004894 | impact of continued global warming | global warming has affected the south pole more than the north pole. | null | null | Multiple Choice | a. True, b. False | b |
9,118 | NDQ_004895 | impact of continued global warming | predictions for what will happen in the future with our climate | null | null | Multiple Choice | a. Are well known and very accurate., b. Are not well known, but the trends are clear., c. Are really unknown, no more than a guess., d. Will never be known. | b |
9,119 | NDQ_004896 | impact of continued global warming | temperatures are rising globally. how much they rise in the future depends on our actions in the next decades. | null | null | Multiple Choice | a. True, b. False | a |
9,120 | NDQ_004897 | impact of continued global warming | the entire increase in global temperatures seen in the past two decades was caused by | null | null | Multiple Choice | a. An increase in the sun’s irradiance., b. An increase in El Nino and La Nino cycles., c. Natural changes in greenhouse gas levels., d. None of these. | d |
9,121 | NDQ_004898 | impact of continued global warming | oceans are becoming more acidic, which means that | null | null | Multiple Choice | a. Organisms with carbonate shells will have a more difficult time growing., b. Marine organisms will move toward the poles., c. Temperatures will increase., d. All of these. | a |
9,122 | NDQ_004899 | impact of continued global warming | a decrease in snow pack can cause a shortage of the summer water supply in many regions. | null | null | Multiple Choice | a. True, b. False | a |
9,123 | NDQ_004900 | impacts of hazardous waste | which of the following is true of mercury pollution? | null | null | Multiple Choice | a. Mercury is a pollutant that easily travels far from where it was released., b. Mercury pollution only comes from manmade sources., c. Mercury pollution primarily affects the reproductive system of mammals., d. Mercury is found in gasoline and paint. | a |
9,124 | NDQ_004901 | impacts of hazardous waste | which of these happened because of the chemicals buried in love canal? | null | null | Multiple Choice | a. Steel drums rusted releasing hazardous waste into the soil, b. Children were developing burns and getting sick, c. Toxic swamps were created by heavy rains, d. All of the above | d |
9,125 | NDQ_004903 | impacts of hazardous waste | the superfund act of 1980 requires | null | null | Multiple Choice | a. The federal government to clean up all toxic waste sites., b. Land that is damaged to be blocked off from the public., c. Just the Love Canal site to be cleaned up., d. Companies to clean up toxic waste sites they are responsible for. | d |
9,126 | NDQ_004904 | impacts of hazardous waste | at love canal, barrels of toxic chemicals were | null | null | Multiple Choice | a. Disposed of properly., b. Surrounded by impermeable materials and buried., c. Buried and covered with soil., d. Left out in the elements. | c |
9,127 | NDQ_004905 | impacts of hazardous waste | at love canal, people were told of the toxic chemicals buried beneath their homes and school when the community was built. | null | null | Multiple Choice | a. True, b. False | b |
9,128 | NDQ_004906 | impacts of hazardous waste | lead poisoning was a problem in the 1970s and 1980s but that has been cleaned up. | null | null | Multiple Choice | a. True, b. False | b |
9,129 | NDQ_004907 | impacts of hazardous waste | groundwater in woburn, massachusetts contained this chemical, which was correlated with increased illnesses, such as leukemia, in children. | null | null | Multiple Choice | a. Methane, b. TCE, c. Carbon Monoxide, d. DDT | b |
9,130 | NDQ_004908 | impacts of hazardous waste | how do cancer cases cause scientists to suspect contamination as the cause? | null | null | Multiple Choice | a. Every case of cancer is likely due to some type of hazardous waste., b. Childhood cancers nearly always indicate hazardous waste contamination., c. A cluster of cancer cases above the normal number causes suspicions., d. Cancers are almost never caused by hazardous waste contamination. | c |
9,131 | NDQ_004909 | impacts of hazardous waste | which age group is the most susceptible to health problems from toxic metals? | null | null | Multiple Choice | a. Children because they are growing rapidly., b. Adults because their bodies are bigger., c. Older people because they are weaker., d. All age groups are equally susceptible. | a |
9,132 | NDQ_004910 | importance of the atmosphere | the atmosphere is composed of 78% __________ and 21% __________. | null | null | Multiple Choice | a. Carbon dioxide; oxygen, b. Oxygen; nitrogen, c. Nitrogen; carbon dioxide, d. Nitrogen; oxygen | d |
9,133 | NDQ_004911 | importance of the atmosphere | photosynthesis helps plants create __________ from __________. | null | null | Multiple Choice | a. Food energy; solar energy, b. Solar energy; food energy, c. Sugar; carbon dioxide gas, d. Carbon dioxide gas; sugar | a |
9,134 | NDQ_004912 | importance of the atmosphere | the atmosphere is a reservoir for water. | null | null | Multiple Choice | a. True, b. False | a |
9,135 | NDQ_004913 | importance of the atmosphere | in space, no one can hear you scream, because there is not medium for the sound waves to travel through | null | null | Multiple Choice | a. True, b. False | a |
9,136 | NDQ_004914 | importance of the atmosphere | the ozone molecule is made of | null | null | Multiple Choice | a. Two water molecules, b. Three oxygen atoms, c. One carbon dioxide molecule with a water molecule, d. Two oxygen atoms with one water molecule | b |
9,137 | NDQ_004915 | importance of the atmosphere | the red chlorophyll hotspots on the chlorophyll map are directly related to the excess nutrients in those areas. | null | null | Multiple Choice | a. True, b. False | a |
9,138 | NDQ_004916 | importance of the atmosphere | without oxygen in the atmosphere, there would be | null | null | Multiple Choice | a. No plants., b. No animals., c. No plants or animals., d. No difference in life forms. | b |
9,139 | NDQ_004917 | importance of the atmosphere | what is the relationship between photosynthesis in plants and the respiration of animals? | null | null | Multiple Choice | a. Plants use CO2 and produce O2; animals use O2 and produce CO2., b. Plants use O2 and produce CO2; animals use CO2 and produce O2., c. Plants use nitrogen and produce water vapor; animals use water vapor and produce nitrogen., d. Plants use water vapor and produce nitrogen; animals use nitrogen and produce water vapor. | a |
9,140 | NDQ_004918 | importance of the atmosphere | what would happen if there were no greenhouse gases in the atmosphere? | null | null | Multiple Choice | a. Temperatures would be frigid all the time and the ice ages would return., b. Temperatures would be extremely hot all the time., c. Temperatures would be frigid at night and scorching in the day., d. Ultraviolet radiation from the sun would fry all live on the surface. | c |
9,141 | NDQ_004919 | importance of the atmosphere | how does the atmosphere protect us from the sun? | null | null | Multiple Choice | a. Ozone in the lower atmosphere absorbs all wavelengths of electromagnetic radiation from the sun., b. Greenhouse gases in the atmosphere absorb solar radiation to block out the harmful rays., c. Greenhouse gases in the upper atmosphere absorb heat from the planet and block out harmful radiation., d. Ozone in the upper atmosphere absorbs the highest energy ultraviolet radiation coming | d |
9,142 | NDQ_004920 | importance of the oceans | how are oceans important? | null | null | Multiple Choice | a. They keep Earth’s temperature the same., b. They are a small part of the water cycle., c. They provide lots of habitats so that they have a lot of different species of organisms., d. All of the above | c |
9,143 | NDQ_004921 | importance of the oceans | biodiversity is the total mass of living organisms in a region. | null | null | Multiple Choice | a. True, b. False | b |
9,144 | NDQ_004922 | importance of the oceans | which of the following is not true? | null | null | Multiple Choice | a. Oceans give Earth a more moderate climate., b. Without oceans there would be less evaporation and so less precipitation on Earth., c. Without oceans, Earth would have much less biodiversity., d. Earth is an enormous reservoir for water. | b |
9,145 | NDQ_004923 | importance of the oceans | which of the following is true? | null | null | Multiple Choice | a. Water changes temperature more quickly than land., b. Water changes temperature more quickly than the atmosphere., c. Water changes temperature more slowly than land., d. None of these. | c |
9,146 | NDQ_004924 | importance of the oceans | temperature range is smaller on land near a large water body than on land far from a large water body. | null | null | Multiple Choice | a. True, b. False | a |
9,147 | NDQ_004925 | importance of the oceans | oceans moderate earths temperature by | null | null | Multiple Choice | a. Absorbing heat near the equator and moving it nearer to the poles., b. Absorbing heat near the Tropic of Cancer in the summer and moving it near the Tropic of Capricorn in the winter., c. Absorbing heat near the Tropic of Capricorn in the summer and moving it near the Tropic of Capricorn in the winter., d. None of these. | a |
9,148 | NDQ_004926 | importance of the oceans | the oceans important to the water cycle because most evaporation comes from and precipitation falls on the oceans. | null | null | Multiple Choice | a. True, b. False | a |
9,149 | NDQ_004927 | importance of the oceans | how are oceans important to climate? | null | null | Multiple Choice | a. They distribute heat around the planet., b. They moderate climate within a region., c. They lessen the temperature range of nearby lands., d. All of the above. | d |
9,150 | NDQ_004928 | importance of the oceans | marine life | null | null | Multiple Choice | a. Is not as abundant or diverse as terrestrial life., b. Supplies us with food and oxygen., c. Is less well adapted to its habitats than terrestrial life., d. All of these. | b |
9,151 | NDQ_004929 | importance of the oceans | the range of temperatures on earth is much less than the range in temperatures on mercury. | null | null | Multiple Choice | a. True, b. False | a |
9,152 | NDQ_004930 | influences on weathering | igneous rocks weather faster than most other rocks because they formed in conditions that are the most different from surface conditions. | null | null | Multiple Choice | a. True, b. False | b |
9,153 | NDQ_004931 | influences on weathering | limestone weathers relatively rapidly because | null | null | Multiple Choice | a. It forms at greater depth and is less stable than rocks that form near the surface., b. It dissolves in weak acids., c. It has lots of fractures, which expose it to weathering., d. None of the above | b |
9,154 | NDQ_004932 | influences on weathering | a rock will weather more quickly in which climate | null | null | Multiple Choice | a. Hot and dry, b. Cold and wet, c. Cold and dry, d. Hot and wet | d |
9,155 | NDQ_004933 | influences on weathering | water helps weathering because | null | null | Multiple Choice | a. It increases the temperature., b. It increases the number of chemical reactions., c. It increases the amount of oxygen that’s available for oxidation., d. It increases the difference in weathering between different types of minerals. | b |
9,156 | NDQ_004934 | influences on weathering | how is aluminum ore made? | null | null | Multiple Choice | a. Intense chemical weathering removes soluble minerals and leaves aluminum oxide., b. Exposed aluminum is oxidized in air., c. Chemical reactions on tree roots concentrate aluminum oxide., d. Aluminum oxide precipitates out of saline water and onto a lake bed. | a |
9,157 | NDQ_004935 | influences on weathering | chemical reactions proceed more rapidly at higher temperatures. | null | null | Multiple Choice | a. True, b. False | a |
9,158 | NDQ_004936 | influences on weathering | climate is determined by | null | null | Multiple Choice | a. Temperature, b. Precipitation, c. Temperature & precipitation, d. None of these | a |
9,159 | NDQ_004937 | influences on weathering | when a less resistant mineral dissolves, more resistant mineral grains are released from rock. | null | null | Multiple Choice | a. True, b. False | a |
9,160 | NDQ_004938 | influences on weathering | precipitation increases both mechanical and chemical weathering. | null | null | Multiple Choice | a. True, b. False | a |
9,161 | NDQ_004939 | influences on weathering | quartz sand is very common on beaches. why might that be? | null | null | Multiple Choice | a. Quartz is light so it floats downstream to the beaches more easily., b. The other minerals are so heavy they fall to the bottom of a stream and don’t make it to the beach., c. Quartz is resistant to weathering so it is left after the other minerals are gone., d. Quartz is easily weathered so it is weathered out and transported to the beach. | c |
9,162 | NDQ_004940 | inner vs. outer planets | which of these is not an inner planet? | null | null | Multiple Choice | a. Venus, b. Mars, c. Jupiter, d. Earth | c |
9,163 | NDQ_004941 | inner vs. outer planets | together, all of the planets equal the mass of the sun. | null | null | Multiple Choice | a. True, b. False | b |
9,164 | NDQ_004942 | inner vs. outer planets | why is earths natural satellite unique among the inner planets? | null | null | Multiple Choice | a. No other inner planet has a satellite., b. No other inner planet has a large, planet-like satellite., c. No other inner planet has a captured asteroid for a satellite., d. None of the above. | b |
9,165 | NDQ_004943 | inner vs. outer planets | the inner planets are made of | null | null | Multiple Choice | a. An igneous rock mantle with an iron core., b. Iron and nickel metal in the mantle and core., c. A metal core with a metamorphic and igneous rock mantle., d. A metamorphic rock mantle and an igneous rock core. | a |
9,166 | NDQ_004944 | inner vs. outer planets | all of the inner planets were geologically active at some time in their history. | null | null | Multiple Choice | a. True, b. False | a |
9,167 | NDQ_004945 | inner vs. outer planets | the outer planets are called the _________ and the inner planets are called the __________. | null | null | Multiple Choice | a. Rocky planets; Gas giants, b. Gassy planets; rocky planets, c. Gas giants; terrestrial planets, d. Large planets; small planets | c |
9,168 | NDQ_004946 | inner vs. outer planets | gas giants are primarily made up of _________________. | null | null | Multiple Choice | a. Helium and lithium, b. Oxygen and carbon dioxide, c. Carbon dioxide and methane, d. Hydrogen and helium | d |
9,169 | NDQ_004947 | inner vs. outer planets | saturn is unique in the solar system because it is the only planet with rings. | null | null | Multiple Choice | a. True, b. False | b |
9,170 | NDQ_004948 | inner vs. outer planets | compared to the outer planets, the inner planets have | null | null | Multiple Choice | a. Slower orbits., b. Slower spin., c. Few or no satellites., d. All of the above. | d |
9,171 | NDQ_004949 | inner vs. outer planets | planetary rings are made up of | null | null | Multiple Choice | a. Metal, b. Dust and small rocks, c. Gases and ices, d. All of the above | b |
9,172 | NDQ_004950 | interior of the sun | what two elements make up the sun? | null | null | Multiple Choice | a. Oxygen and Carbon, b. Zeon and Neon, c. Boron and Iron, d. Helium and Hydrogen | d |
9,173 | NDQ_004951 | interior of the sun | the sun is made of ______, a fourth state of matter made of__________. | null | null | Multiple Choice | a. Plasma; superheated gas with a negative electrical charge, b. Plasma; superheated gas with a positive electrical charge, c. Liquoid; superheated liquid with a neutral electrical charge, d. Liquioid; superheated liquid with a negative electrical charge | b |
9,174 | NDQ_004952 | interior of the sun | the sun is a ball of material with no layers and no outer boundary. | null | null | Multiple Choice | a. True, b. False | b |
9,175 | NDQ_004953 | interior of the sun | the suns energy | null | null | Multiple Choice | a. Is generated by the fusion of helium into hydrogen., b. Moves outward away from the center., c. Is released by nuclear fission., d. All of the above. | b |
9,176 | NDQ_004954 | interior of the sun | the photosphere is | null | null | Multiple Choice | a. The region of the Sun that emits sunlight., b. Hotter than the rest of the Sun., c. The solid surface of the Sun., d. All of these. | a |
9,177 | NDQ_004955 | interior of the sun | when the moon blocks out the sun in a solar eclipse, we can still see the corona. | null | null | Multiple Choice | a. True, b. False | a |
9,178 | NDQ_004956 | interior of the sun | a particle of light is called a ______________. | null | null | Multiple Choice | a. Proton, b. Electron, c. Photon, d. Futon | c |
9,179 | NDQ_004957 | interior of the sun | which section of the sun helps create the solar flares and sunspots? | null | null | Multiple Choice | a. Convection zone, b. Radiative zone, c. Chromosphere, d. Corona layer | a |
9,180 | NDQ_004958 | interior of the sun | the temperature of the sun is highest in the central plasma core. | null | null | Multiple Choice | a. True, b. False | a |
9,181 | NDQ_004959 | interior of the sun | in the radiative zone, | null | null | Multiple Choice | a. Convection currents rise and fall rapidly., b. Nuclear fusion takes place, but at a lower rate than in the core., c. Photons move very slowly as they are absorbed and released by other particles., d. All of these. | c |
9,182 | NDQ_004981 | introduction to groundwater | the amount of water that is available to enter groundwater in a region is this. | null | null | Multiple Choice | a. Capillary Action, b. Discharge, c. Well water, d. Recharge | d |
9,183 | NDQ_004982 | introduction to groundwater | water moves through pores from wet soil to dry areas by | null | null | Multiple Choice | a. Recharge, b. Solvency, c. Capillary action, d. Aquifericity | c |
9,184 | NDQ_004983 | introduction to groundwater | unconfined aquifers are open to the surface. | null | null | Multiple Choice | a. True, b. False | a |
9,185 | NDQ_004984 | introduction to groundwater | which is an example of a discharge area? | null | null | Multiple Choice | a. Water table, b. Stream, c. Well, d. None of these | b |
9,186 | NDQ_004985 | introduction to groundwater | if a shallow well runs dry, a deeper well will likely tap another aquifer. | null | null | Multiple Choice | a. True, b. False | a |
9,187 | NDQ_004986 | introduction to groundwater | when did most fossil water enter its aquifer? | null | null | Multiple Choice | a. Around the end of the ice ages., b. During the ice ages., c. During the time of the dinosaurs., d. At the time massive amounts of water were first formed on Earth. | a |
9,188 | NDQ_004987 | introduction to groundwater | are there aquifers in desert areas? | null | null | Multiple Choice | a. No, it is too dry., b. Yes, they are found near the surface just as in wet areas., c. Yes, but only deep ones., d. No, aquifers are in mountainous areas. | c |
9,189 | NDQ_004988 | introduction to groundwater | most groundwater has been in an aquifer for millennia. | null | null | Multiple Choice | a. True, b. False | b |
9,190 | NDQ_004989 | introduction to groundwater | access to groundwater can only be gotten from wells. | null | null | Multiple Choice | a. True, b. False | b |
9,191 | NDQ_004990 | intrusive and extrusive igneous rocks | igneous extrusive rocks exhibit | null | null | Multiple Choice | a. No visible crystals., b. Mostly microscopic crystals with perhaps a few larger crystals., c. Mostly larger crystals with a few microscopic crystals filling in the spaces between them., d. Larger crystals, all visible with the naked eye. | b |
9,192 | NDQ_004991 | intrusive and extrusive igneous rocks | to create a large mountain range of igneous intrusive rocks requires | null | null | Multiple Choice | a. Magma to flow over the surface and to pile up in mountains., b. Magma to cool beneath ocean water and then the ocean to move elsewhere., c. Magma to cool deep in the crust and then for the plutons to be uplifted., d. None of these | c |
9,193 | NDQ_004992 | intrusive and extrusive igneous rocks | igneous intrusive rock has visible crystals because it cools and solidifies slowly. | null | null | Multiple Choice | a. True, b. False | a |
9,194 | NDQ_004993 | intrusive and extrusive igneous rocks | a pluton is a large igneous rock that cooled inside the crust. | null | null | Multiple Choice | a. True, b. False | a |
9,195 | NDQ_004994 | intrusive and extrusive igneous rocks | a rock texture that indicates the presence of gas bubbles. | null | null | Multiple Choice | a. Porphyritic, b. Vesicular, c. Intrusive, d. Extrusive | b |
9,196 | NDQ_004995 | intrusive and extrusive igneous rocks | a rock texture in which visible crystals are found in a matrix of tiny crystals. | null | null | Multiple Choice | a. Porphyritic, b. Vesicular, c. Intrusive, d. Extrusive | a |
9,197 | NDQ_004996 | intrusive and extrusive igneous rocks | which of these igneous rocks cooled so quickly that crystals did not form, creating a natural glassy look? | null | null | Multiple Choice | a. Pumice, b. Basalt, c. Granite, d. Obsidian | b |
9,198 | NDQ_004997 | intrusive and extrusive igneous rocks | which of these igneous rock types have a vesicular texture? | null | null | Multiple Choice | a. Pumice, b. Basalt, c. Granite, d. Obsidian | a |
9,199 | NDQ_004998 | intrusive and extrusive igneous rocks | if a rock is cooling in a magma chamber for a while and then suddenly erupts it will have a porphyritic texture. | null | null | Multiple Choice | a. True, b. False | a |
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