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NDQ_004620 | freshwater ecosystems include lakes, ponds, streams and wetlands. | a. true, b. false | a | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004621 | __________________ is the study of bodies of freshwater and the organisms that live there. | a. lakeology, b. oceanography, c. limnology, d. biology | c | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004622 | which of these organisms would you not find in the deep-water zone of a lake? | a. fungi, b. catfish, c. bacteria, d. photosynthesizers | d | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004623 | the sloped side of a lake where sunlight penetrates is the | a. aphotic zone, b. photic zone, c. littoral zone, d. limnetic zone | c | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004624 | wetlands are | a. worthless swamps, b. the only home for some specialized species, c. lands that are at the edges of the ocean, d. all of the above | b | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004625 | marshes are distinctive because | a. they have lots of trees, b. grasses and reeds are common, c. reptiles have high biodiversity, d. all of the above | b | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004626 | swamps are distinctive because | a. they can have freshwater, salt water or a mixture of both, b. they are only infrequently inundated with water, c. they have grasses and reeds, but few trees, d. all of these | a | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004627 | wetlands make up more than 30% of the land in the u.s. but have only 5% of the plant types. | a. true, b. false | b | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004628 | wetlands never contain more than a few trees. | a. true, b. false | b | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004629 | wetlands have important roles in the ecology of an area. for example, they | a. trap and use fertilizer so that it doesnt contaminate another water body, b. naturally purify water, c. are home to many endangered species, d. all of the above | d | Lesson: fresh water ecosystems
Freshwater Ecosystems:
Organisms that live in lakes, ponds, streams, springs or wetlands are part of freshwater ecosystems. These ecosys- tems vary by temperature, pressure (in lakes), the amount of light that penetrates and the type of vegetation that lives there.
Lake Ecosystems:
Lim... |
NDQ_004630 | galaxies can contain billions or trillions of stars. | a. true, b. false | a | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004631 | earth is a part of the _____________. | a. sombrero galaxy, b. milky way galaxy, c. andromeda galaxy, d. pinwheel galaxy | b | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004632 | the closest galaxy to us is the ____________. | a. sombrero galaxy, b. milky way galaxy, c. andromeda galaxy, d. pinwheel galaxy | c | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004633 | which of these is not a type of galaxy? | a. spiral, b. elliptical, c. irregular, d. circular | d | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004634 | what is true about spiral galaxies? | a. they appear as a rotating disk of stars, b. they appear to have a bulge in the middle, c. they have spiral arms, d. all of the above | d | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004635 | the arms in a spiral galaxy tend to be __________ because they contain __________. | a. red; old stars, b. yellow; middle-aged stars, c. blue; young stars, d. all colors; all age stars | c | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004636 | irregular galaxies may be deformed by gravitational attraction to another galaxy. | a. true, b. false | a | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004638 | an elliptical galaxy | a. does not contain dust because the dust has come together to form stars, b. may contain dust if it has collided with another galaxy of similar size, c. is likely to be reddish to yellowish because it contains mostly old stars, d. all of the above | d | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004639 | what is true about dwarf galaxies? | a. they are relatively small and dim, b. they are all irregular in shape, c. they may merge with other galaxies, d. all of the above | a | Lesson: galaxies
Galaxies:
Galaxies are the biggest groups of stars and can contain anywhere from a few million stars to many billions of stars. Every star that is visible in the night sky is part of the Milky Way Galaxy. To the naked eye, the closest major galaxy the Andromeda Galaxy, shown in Figure 1.1 looks like ... |
NDQ_004640 | the geologic time scale was originally based | a. entirely on absolute ages, b. on a mix of relative and absolute ages, c. entirely on relative ages, d. on random events | c | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004641 | time units on the geologic time scale are | a. divided into 10 million year blocks, b. separated by important events in geological or biological history, c. divided using absolute age dates, d. separated by distinctive rock units | b | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004642 | we live in the holocene epoch, as well as the | a. quaternary period, b. cenozoic era, c. phanerozoic eon, d. all of the above | d | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004643 | if earth history is condensed into one calendar year, dinosaurs appear | a. in late february, b. in mid-september, c. in mid-december, d. on the night of december 31st | c | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004644 | if earth history is condensed into one calendar year, the first modern humans appear | a. in late september, b. in mid-november, c. in mid-december, d. on the night of december 31st | d | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004645 | naming time periods makes it easier to talk about them. | a. true, b. false | a | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004646 | about 1/8 of earth history passed before the explosion of life forms in the cambrian. | a. true, b. false | b | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004647 | many of the blocks of time on the geologic time scale were named for | a. nearby towns where the rock layer from that time were found, b. locations in north america, c. the geologists who worked in those rock sections, d. all of these | a | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004648 | eon, era, period, epoch is the order from the largest amount of time to the smallest amount of time. | a. true, b. false | a | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004649 | compared with older time periods, more recent time periods on the geologic time scale | a. are divided into more segments, b. are about as well understood, c. are more difficult to learn about, d. all of these | a | Lesson: geologic time scale
The Geologic Time Scale:
To be able to discuss Earth history, scientists needed some way to refer to the time periods in which events happened and organisms lived. With the information they collected from fossil evidence and using Stenos principles, they created a listing of rock layers fro... |
NDQ_004650 | force per unit area that is placed on an object. | a. strain, b. pressure, c. stress, d. deformation | c | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004651 | a rocks response to stress depends on | a. the type of rock and the type of stress, b. the surrounding temperature, c. the amount of time the rock is under stress, d. all of the above | d | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004652 | rocks that are pulled apart are under | a. tension, b. shearing, c. compression, d. confining | a | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004653 | parallel forces moving in opposite directions are | a. tension, b. shear, c. compression, d. confining stress | b | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004654 | a sudden stress is more likely to make a rock fracture than a show increasing stress. | a. true, b. false | a | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004655 | stress that causes a material to change its shape is called | a. elasticity, b. plasticity, c. fracture, d. deformation | d | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004656 | rock that returns to its original shape when the stress is removed. | a. fracture, b. plastic deformation, c. elastic deformation, d. shearing | c | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004657 | rocks that break under a lot of stress. | a. fracture, b. plastic deformation, c. elastic deformation, d. shearing | a | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004658 | tension occurs at divergent boundaries. | a. true, b. false | a | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004659 | this type of stress occurs at convergent boundaries. | a. shearing, b. compression, c. tension, d. no stress | b | Lesson: geological stresses
Causes and Types of Stress:
Stress is the force applied to an object. In geology, stress is the force per unit area that is placed on a rock. Four types of stresses act on materials. A deeply buried rock is pushed down by the weight of all the material above it. Since the rock cannot move, ... |
NDQ_004660 | california is the best developed location in the u.s. for geothermal energy because | a. it is geologically active and heat sources are close to the surface, b. the state has the technology to drill deeply to get to the hot rock, c. it is the location of yellowstone national park, d. none of these | a | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004661 | where does geothermal energy come from? | a. outer space, b. earths internal heat, c. the water cycle, d. the sun | b | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004662 | to harness geothermal energy, | a. plants must be built where hot water rises to the surface, b. cool water is pumped to depth and warm water is pumped back up, c. steam rises to spin a turbine, d. all of these | d | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004663 | electricity is generated at a hydrothermal plant when | a. hot water passes downstream through a turbine, b. hot water travels through pipes and into homes for heat and electricity, c. steam from a geothermal well spins a turbine, d. none of these | c | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004664 | geothermal energy creates greenhouse gases and other pollutants. | a. true, b. false | b | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004665 | at any geothermal plant, the energy will run out as cold water cools the hot rock. | a. true, b. false | b | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004666 | this country gets about one fourth of its electricity from geothermal sources. | a. china, b. turkey, c. iceland, d. nigeria | c | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004667 | geothermal energy | a. is useful as it is harnessed, b. must be processed, c. must be stored before use, d. all of the above | a | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004668 | the likely source of heat for the largest geothermal plant in california is a large magma chamber. | a. true, b. false | a | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004669 | in some locations, hot rocks are too deep to be used for geothermal energy. | a. true, b. false | a | Lesson: geothermal power
Geothermal Energy:
The heat that is used for geothermal power may come to the surface naturally as hot springs or geysers, like The Geysers in northern California. Where water does not naturally come to the surface, engineers may pump cool water into the ground. The water is heated by the hot ... |
NDQ_004670 | where are glaciers found? | a. antarctica and greenland only, b. every continent except australia, c. every continent except antarctica and greenland, d. australia only | b | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004671 | large glaciers that cover a larger area than just a valley, possibly an entire mountain range or region. | a. continental glacier, b. alpine glacier, c. ice caps, d. valley glacier | c | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004672 | a deep crack in the glacier that forms as a result of ice movement. | a. glacial breakage, b. crack, c. bergshrund, d. crevasse | d | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004673 | the lower part of the glacier where the amount of snow and ice that melts off is the | a. zone of accumulation, b. zone of ablation, c. equilibrium line, d. none of these | b | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004674 | when a glacier no longer moves, it is called an ice sheet. | a. true, b. false | a | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004675 | whether an ice sheet is a glacier depends on | a. the amount in the field, b. how steep the slope is, c. the roughness of the ground surface, d. all of the above | d | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004676 | how do glaciers move? | a. by plastic flow at the bottom where the pressure is high, b. at the bottom where meltwater lubricates it, c. from extremely fast to nearly no movement, d. all of the above | d | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004677 | glacier national park has lost many of its active glaciers because | a. temperatures in that region have been rising, b. plate tectonics is moving the region into a warmer location, c. people are ruining them with their hiking and atv riding, d. none of the above | a | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004678 | glaciers are a resource because | a. they are a source of water in the summer, b. they provide energy as the water turns from snow to glacial ice, c. they cover up vast mineral resources that are exposed when they melt, d. gold dust and other valuable minerals land on glaciers and can be mined | a | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004679 | gem glacier in glacier national park is no longer moving, but it is still a glacier. | a. true, b. false | b | Lesson: glaciers
Where are the Glaciers:
Nearly all glacial ice, 99%, is contained in ice sheets in the polar regions, particularly Antarctica and Greenland. Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects. Every continent, except Australia,... |
NDQ_004680 | global average temperatures are increasing and we are already seeing the effects of this. | a. true, b. false | a | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004681 | temperatures have been rising since __________, but the __________ is increasing. | a. the beginning of the pleistocene; rate of increase, b. earth began; rate of decrease, c. plants evolved; rate of decrease, d. the end of the pleistocene; rate of increase | d | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004682 | _________ is the largest emitter of greenhouse gases, but ________ is the largest per capita emitter. | a. japan, the european union, b. china; the united states, c. the united states; china, d. the european union; japan | b | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004683 | when ice caps melt, the sea level decreases. | a. true, b. false | b | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004684 | warmer temperatures are causing coral reefs to | a. turn white, b. turn red, c. grow more rapidly, d. grow higher in the water | a | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004685 | burning fossil fuels adds greenhouse gases to the air. | a. true, b. false | a | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004686 | which of these is affected by global warming? | a. mating and migration of birds, b. glaciers, c. plant life, d. all of the above | d | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004687 | permafrost is melting, but its extent is increasing. | a. true, b. false | b | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004688 | to find a location that it is more suited to in temperature, a species will | a. move uphill, b. move downhill, c. move to a different ecosystem, d. move to a different continent | a | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004689 | in california and elsewhere, warmer temperatures are causing | a. more snow in the winter, b. more rain year-round, c. changes in the ecology of the state, d. all of these | c | Lesson: global warming
Global Warming:
With more greenhouse gases trapping heat, average annual global temperatures are rising. This is known as global warming.
Increasing Temperatures:
While temperatures have risen since the end of the Pleistocene, 10,000 years ago, this rate of increase has been more rapid in the ... |
NDQ_004700 | gravitational force depends on _____________. | a. the mass of the objects, b. the distance of the objects, c. the volume of the objects, d. both a and b | d | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004701 | the greater an objects mass, the greater the force of attraction. | a. true, b. false | a | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004702 | the farther the distance between two objects, the greater the attraction. | a. true, b. false | b | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004703 | this famous scientist was first to discover the principal of gravity. | a. galileo galilei, b. sir isaac newton, c. albert einstein, d. erwin schrodinger | b | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004705 | which of these planets experiences the weakest gravitational pull to the sun? | a. venus, b. mercury, c. jupiter, d. neptune | d | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004706 | which of these planets experiences the strongest gravitational pull from the sun? | a. earth, b. mercury, c. mars, d. venus | b | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004707 | which of the planets in our solar system has the greatest gravitational pull? | a. neptune, b. uranus, c. saturn, d. jupiter | d | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004708 | if you are on the top of a mountain and drop an apple, it will fall to the ground, even though the apple is gravitationally attracted to you. why? | a. earth is larger and has a much stronger gravitational pull, b. apples always fall down, c. centrifugal forces pull the apple to the earth and that is stronger than your gravitational pull, d. none of these | a | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004709 | the planets are all really far from the sun, but they continue to orbit the star because | a. the sun and the planets are all really large, b. the suns gravity increases with distance from it, c. centrifugal forces continue to operate even when two objects are too far for gravity, d. space has fibers that keep the planets orbiting the sun | a | Lesson: gravity in the solar system
The Role of Gravity:
Isaac Newton first described gravity as the force that causes objects to fall to the ground and also the force that keeps the Moon circling Earth instead of flying off into space in a straight line. Newton defined the Universal Law of Gravitation, which states t... |
NDQ_004710 | which is a greenhouse gas? | a. carbon dioxide, b. water vapor, c. ozone, d. all of the above | d | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004711 | volcanic eruptions, decomposition of plant material, respiration, and fossil fuel burning all release this greenhouse gas. | a. carbon dioxide, b. methane, c. nitrous oxide, d. ozone | a | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004712 | how is the atmosphere like a greenhouse? | a. greenhouse gases reflect sunlight like the walls of a greenhouse, b. water vapor condenses into clouds like droplets condense on greenhouse walls, c. greenhouse gases trap heat like the walls of a greenhouse, d. none of the above | c | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004713 | energy that comes off of earths surface, | a. is directly radiated into space, b. is absorbed by greenhouse gases in the atmosphere, c. is altered so that it becomes cooler in the atmosphere, d. a & b | d | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004714 | all greenhouse gases are emitted by natural processes. | a. true, b. false | b | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004715 | which of these is the most abundant greenhouse gas? | a. carbon dioxide, b. methane, c. nitrous oxide, d. ozone | a | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004716 | one cfc-12 molecule traps 10,600 times as much heat as one co2 molecule. | a. true, b. false | a | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004717 | atmospheric greenhouse gas levels are increasing due to human activities. | c. true, d. false | a | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004718 | greenhouse effect is | a. bad for earth because it is warming us up too much, b. bad for earth because it moderates our temperature, c. a natural phenomenon that is important for making earth habitable, d. none of these | c | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004719 | what happens when greenhouse gas levels in the atmosphere increase? | a. nothing, b. the atmosphere traps more heat, c. the atmosphere traps less heat, d. none of the above | b | Lesson: greenhouse effect
The Greenhouse Effect:
The exception to Earths temperature being in balance is caused by greenhouse gases. But first the role of greenhouse gases in the atmosphere must be explained. Greenhouse gases warm the atmosphere by trapping heat. Some of the heat that radiates out from the ground is t... |
NDQ_004722 | in an aquifer, pore spaces above this line do not contain water and below this line do contain water. | a. impermeable layer, b. bedrock, c. water table, d. spring | c | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004723 | in a drought, the water table | a. will not change, b. will do something random. its not possible to know what it will do, c. will go up, d. will go down | d | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004724 | people have learned to tap groundwater sources that were previously out of reach by | a. finding springs, b. drilling wells, c. using streams, d. none of these | b | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004725 | if you were going to drill a well into an aquifer it would be a shorter distance to drill down into a valley than down into a hill. | a. true, b. false | a | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004726 | the surface of a stream is | a. the top of the water table, b. the bottom of the water table, c. where a spring runs in, d. none of these | a | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004727 | in a desert, water only runs in streambeds (called washes) during a large rainstorm. why do streams not run in washes all the time? | a. there is never an aquifer below a desert, b. a desert stream is like other streams; there is water when there is rain or snowmelt, c. the water table is too deep and does not intercept the streambed, d. none of these | c | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004728 | all springs flow all year round. | a. true, b. false | b | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004729 | to be a good aquifer, the only important quality for a rock to have is high porosity. | a. true, b. false | b | Lesson: groundwater aquifers
Features of an Aquifer:
To be a good aquifer, the rock in the aquifer must have good: porosity: small spaces between grains permeability: connections between pores To reach an aquifer, surface water infiltrates downward into the ground through tiny spaces or pores in the rock. The water tr... |
NDQ_004731 | wells may go completely dry if they are not deep enough to reach in a lowered water table. | a. true, b. false | a | Lesson: groundwater depletion
Groundwater Overuse:
Some aquifers are overused; people pump out more water than is replaced. As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy. Wells may go completely dry if they are not deep enough to reach int... |
NDQ_004732 | which of these regions has intense droughts and reduced groundwater levels? | a. northeast, b. pacific northwest, c. midwest, d. south | d | Lesson: groundwater depletion
Groundwater Overuse:
Some aquifers are overused; people pump out more water than is replaced. As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy. Wells may go completely dry if they are not deep enough to reach int... |
NDQ_004733 | this aquifer supplies one-third of the irrigation water in the united states. | a. hetch-hetchy, b. ogallala, c. quabbin, d. none of the above | b | Lesson: groundwater depletion
Groundwater Overuse:
Some aquifers are overused; people pump out more water than is replaced. As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy. Wells may go completely dry if they are not deep enough to reach int... |
NDQ_004734 | land in some places, like the san joaquin valley of california, has undergone subsidence, which is due to | a. too much farming, b. the aging of the groundwater aquifer, c. a change from drip irrigation to overhead sprinklers for irrigation, d. overpumping groundwater | d | Lesson: groundwater depletion
Groundwater Overuse:
Some aquifers are overused; people pump out more water than is replaced. As the water is pumped out, the water table slowly falls, requiring wells to be dug deeper, which takes more money and energy. Wells may go completely dry if they are not deep enough to reach int... |
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