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NDQ_004459 | how can bats benefit from mining? | a. underground mines that are left open may become homes for bats, b. insects are attracted to the mine smells and bats come to eat them, c. bats eat the birds that live in an abandoned mine shaft, d. none of these | a | Lesson: environmental impacts of mining
Mining and the Environment:
Although mining provides people with many needed resources, the environmental costs can be high. Surface mining clears the landscape of trees and soil, and nearby streams and lakes are inundated with sediment. Pollutants from the mined rock, such as h... |
NDQ_004480 | how do scientists discover an extrasolar planet? | a. the temporary dimming of a star as the planet crosses in front of it, b. a stars movement toward and away from us along our line of sight, c. a state-of-the at space telescope, d. all of these | d | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004481 | even though they are so very far away, scientists are excited to find earth-like planets because they would like to find | a. evidence of intelligent life, b. evidence of microbial life, c. a planet that looks like earth, d. none of these | a | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004482 | there have been more than 1800 exoplanets identified and confirmed. | a. true, b. false | a | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004483 | exoplanets orbit a star other than the sun. | a. true, b. false | a | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004484 | what does it mean when a planet is in a stars habitable zone? | a. it has oxygen in its atmosphere, b. it has a day-night cycle and a seasonal cycle that resembles earths, c. it has the right temperature to have liquid water, d. all of the above | c | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004485 | if a planet is not centered on the disk of gas surrounding it, it may mean that | a. the planet does not have a spherical shape, b. there is another planet that is pulling the gas toward it, c. the gas is not behaving like gas in our solar system, d. none of the above | b | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004486 | when did scientists start discovering exoplanets? | a. 1898, b. 1890s, c. 1990s, d. 2000 | c | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004487 | new extrasolar planets are identified very rarely, only about once per decade. | a. true, b. false | b | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004488 | scientists are more likely to detect a giant exoplanet because | a. it has a greater effect on the star it orbits, b. it appears larger in earth-based telescopes, c. giant exoplanets are many times more likely to exist, d. none of these | a | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004489 | according to statistical studies, the milky way galaxy may contain about 100 billion planets. | a. true, b. false | b | Lesson: exoplanets
Extrasolar Planets or Exoplanets:
Since the early 1990s, astronomers have discovered other solar systems, with planets orbiting stars other than our own Sun. These are called "extrasolar planets" or simply exoplanets (see Figure 1.1). Exoplanets are not in our solar system, but are found in other so... |
NDQ_004490 | this element was first discovered in our sun by analyzing the absorption lines. | a. hydrogen, b. helium, c. oxygen, d. carbon | b | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004491 | when edwin hubble measured the distance to other galaxies, he discovered that the galaxies | a. flickered on and off, b. were moving toward us, c. were stationary, d. were moving away from us | d | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004492 | hubbles law states that: | a. the farther away a galaxy is, the faster it is moving away from us, b. the farther away a galaxy is, the slower it is moving away from us, c. the closer a galaxy is, the faster it is moving away from us, d. none of these | a | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004493 | the universe is expanding in three-dimensions. | a. true, b. false | a | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004494 | what is redshift? | a. sound waves are moving away from the observer, b. absorption bands are shifted toward the red end of the spectrum, c. absorption bands are shifted toward the blue end of the spectrum, d. all of the above | b | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004495 | astronomers determine the composition of a star by examining the dark absorption lines. | a. true, b. false | a | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004496 | which example is true about the doppler effect? | a. dopper effect is found only in sound waves, b. as an object moves toward you, the waves spread further apart, and vice versa, c. as an object moves toward you, the waves pack closer together, and vice versa, d. all of the above | c | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004497 | if a galaxy is moving closer to earth, it would have a blueshift. | a. true, b. false | a | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004498 | as the universe expands it is the __________ that is expanding. | a. space between the galaxies, b. entire universe and everything in it, c. space within the galaxies, d. space within atoms and molecules | a | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004499 | as the universe expands, the galaxies are also expanding. | a. true, b. false | b | Lesson: expansion of the universe
Expansion of the Universe:
After discovering that there are galaxies beyond the Milky Way, Edwin Hubble went on to measure the distance to hundreds of other galaxies. His data would eventually show how the universe is changing, and would even yield clues as to how the universe formed.... |
NDQ_004520 | if a miner is standing on a fault, the __________ wall is where his safety helmet would be and the __________ wall is where his steel toed boots would be. | a. tail; head, b. head; tail, c. foot; hanging, d. hanging; foot | d | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004521 | if there is no movement on either side of a fracture, the fracture is called this. | a. a joint, b. a fault, c. a slip, d. a dip | a | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004522 | mountain ranges can uplift on these types of faults. | a. strike-slip faults, b. reverse faults, c. normal faults, d. tensional faults | c | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004523 | if the angle of a fault is inclined relative to the horizontal it is a | a. joint, b. reverse fault, c. dip-slip fault, d. strike-slip fault | c | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004524 | horizontal-appearing layers can have a younger rock below an older rock if they are separated by a thrust fault. | a. true, b. false | a | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004525 | why wont california west of the san andreas fault fall into the pacific ocean? | a. the motion along the fault is horizontal, b. the motion along the fault is thrust, c. that piece of land is being faulted upward, not downward, d. there is too much friction | a | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004526 | strike slip faults result from __________ stresses. | a. compressive, b. diagonal, c. tensional, d. shear | d | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004527 | this type of reverse fault has a plane angle that is nearly horizontal. | a. normal fault, b. thrust fault, c. strike-slip fault, d. dip-slip fault | b | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004528 | at the san andreas fault, the pacific plate is moving north relative to the north american plate. this means that the san andreas is a | a. right-lateral strike-slip fault, b. left-lateral strike-slip fault, c. dip slip fault, d. thrust fault | a | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004529 | in a normal fault, the hanging wall goes up and the footwall goes down. | a. true, b. false | b | Lesson: faults
Fractures:
A rock under enough stress will fracture. There may or may not be movement along the fracture.
Joints:
If there is no movement on either side of a fracture, the fracture is called a joint. The rocks below show horizontal and vertical jointing. These joints formed when the confining stress w... |
NDQ_004541 | which of these can buffer flooding? | a. vegetation, b. wetlands, c. levees, d. all of the above | d | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004542 | a levee that protects the land near a river from flooding | a. may cause there to be flooding upstream or downstream, b. may cause there to be flooding downstream only, c. may protect the entire river from flooding, d. will keep that land safe from flooding as long as it is kept in working order | a | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004543 | a raised structure designed to hold back the waters of a stream or river in case of a flood. | a. river, b. levee, c. dam, d. none of the above | c | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004544 | this river flooded sometimes causes extreme floods in the midwestern u.s. | a. the sacramento river, b. the colorado river, c. the des moines river, d. the mississippi river | d | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004545 | flooding is often worse when vegetation is cleared. | a. true, b. false | a | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004546 | floods are relatively recent phenomenon, only occurring since humans have altered the landscape. | a. true, b. false | b | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004547 | the lands downstream from a dam are safe from flooding. | a. true, b. false | b | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004548 | plants reduce flooding by | a. keeping the rainwater from striking the ground, b. slowing the raindrops down so they dont all hit the ground at once, c. allowing the water to flow downhill in its own way, d. all of these | b | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004549 | how did flooding of the nile river help the egyptians? | a. floodwaters were a source of nutrients along the floodplain, b. flooding protected human settlements from invaders, c. flooding moved sediment into the river delta and stopped large waves from coming ashore, d. all of these | a | Lesson: flooding
Causes of Floods:
Floods usually occur when precipitation falls more quickly than water can be absorbed into the ground or carried away by rivers or streams. Waters may build up gradually over a period of weeks, when a long period of rainfall or snowmelt fills the ground with water and raises stream l... |
NDQ_004560 | rocks that deform plastically under compressive stresses crumple into this. | a. plateaus, b. calderas, c. folds, d. valleys | c | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004561 | this type of stress creates folds. | a. tension, b. shearing, c. compression, d. no stress | c | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004562 | an anticline in three dimensions is a basin. | a. true, b. false | b | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004563 | a monocline | a. is a tilted rock layer that is no longer horizontal, b. could be the limb of a syncline, c. could be the limb of an anticline, d. all of the above | d | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004564 | a dome is a structure made when rocks arch upward. | a. true, b. false | a | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004565 | if a dome is eroded away, what are the ages of the rocks from inside to outside. | a. youngest in the inside; oldest in the outside, b. oldest in the inside; youngest in the outside, c. rocks are the same age through the dome, d. random. some old rocks are inside and some are outside | b | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004566 | an anticline has rocks that bend. | a. downward, b. diagonally, c. vertically, d. upward | d | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004567 | the michigan basin is made by rock bending | a. downward, b. diagonally, c. vertically, d. upward | a | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004568 | when rocks are bent into a fold, they may go back to their original shape if the stress is released. | a. true, b. false | b | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004569 | in a syncline, the youngest rocks are outside and the oldest rocks are in the center. | a. true, b. false | b | Lesson: folds
Folds:
Rocks deforming plastically under compressive stresses crumple into folds. They do not return to their original shape. If the rocks experience more stress, they may undergo more folding or even fracture. You can see three types of folds.
Monocline:
A monocline is a simple bend in the rock layers... |
NDQ_004570 | earth formed | a. at the same time as the other planets, b. about 500 million years later than the sun, c. at the same time as the moon, d. all of the above | a | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004571 | scientists think that meteorite bombardment was extremely common on the early earth because | a. the outer planets have lots of impact craters, b. earth has lots of ancient impact craters, c. the moon has lots of ancient impact craters, d. all of the above | c | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004572 | due to gravity, planetoids got larger and larger until they became planets. | a. true, b. false | a | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004573 | which is not a reason why earth was molten in its early days? | a. gravitational contraction, b. radioactive decay, c. the sun, d. bombardment by asteroids | c | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004574 | there was more radioactive decay early in earth history than now because many radioactive elements have long half lives. | a. true, b. false | b | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004575 | differentiation | a. caused earth to have a metal core, b. took place when earth was molten, c. allowed lighter elements to rise to the surface, d. all of these | d | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004576 | earths first crust probably | a. was made of light minerals, like the moons, b. recycled into the mantle due to vigorous convection, c. resembled modern continental crust, d. all of these | b | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004577 | what material helps scientists describe the geologic composition of early earth? | a. zircon crystals, b. meteorites, c. lunar rocks, d. all of the above | d | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004578 | the oldest materials geologists found on earth thus far are | a. zircon crystals in ancient rocks, b. diamonds from kimberlite pipes, c. exposed gabbro in the oceanic crust, d. cooled metal fragments from the core | a | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004579 | gravity releases energy when material is squeezed so hard that the pressure swells. | a. true, b. false | a | Lesson: formation of earth
Formation of Earth:
Earth formed at the same time as the other planets. The history of Earth is part of the history of the Solar System.
Planets Form:
Earth came together (accreted) from the cloud of dust and gas known as the solar nebula nearly 4.6 billion years ago, the same time the Sun... |
NDQ_004580 | apollo astronauts brought back a rock from the moon that is | a. unknown and unknowable, b. the same age as the formation of the solar system, c. 100 million years younger than the formation of the solar system, d. 1 billion years older than the formation of the solar system | c | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004581 | the size of the moon is comparable to the planet ___________. | a. jupiter, b. mercury, c. mars, d. saturn | b | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004582 | the moon is similar in composition as the planet | a. earth, b. mars, c. uranus, d. neptune | a | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004583 | the story of how the moon formed had to account for | a. carbon isotope ratios indicating that earth and moon formed in the same part of the solar system, b. the similar size of earth and moons cores, c. earths faster than expected spin, d. all of these | c | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004584 | the moon formed at the same time earth formed. | a. true, b. false | b | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004585 | the ________ ratios of moon and earth indicate that they originated in the same part of the solar system. | a. hydrogen isotope, b. oxygen isotope, c. neon isotope, d. dust | b | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004586 | moons story began when | a. a tremendous number of asteroids hit earth, b. the sun flung material out into this part of space, c. earth split into two equal bodies, d. a mars-sized asteroid hit earth | d | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004587 | the material that came together to form the moon was flung into space from | a. earth, b. the sun, c. jupiter, d. none of these | a | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004588 | the genesis rock is a piece of the moons original crust. | a. true, b. false | a | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004589 | in the early solar system, there was a lot of debris asteroids, comets and planetoids - flying around. | a. true, b. false | a | Lesson: formation of the moon
How the Moon Formed:
One of the most unique features of planet Earth is its large Moon. Unlike the only other natural satellites orbiting an inner planet, those of Mars, the Moon is not a captured asteroid. Understanding the Moons birth and early history reveals a great deal about Earths ... |
NDQ_004590 | the solar system formed nearly _________ years ago | a. 100 billion, b. 5 million, c. 5 billion, d. 3 thousand | c | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004591 | the major bodies of the solar system formed | a. at the same time, b. in this order: sun, inner planets, outer planets, asteroids, comets, c. in this order: asteroids, comets, sun, outer planets, inner planets, d. from a black hole | b | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004592 | a nebula is | a. a newly formed star, b. the material that was left over from the big bang, c. a giant cloud of dust and gas, d. none of these | c | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004593 | the nebular was drawn together by gravity, which released kinetic energy. | a. true, b. false | b | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004594 | the sun formed in the center of the nebula because | a. most of the clouds mass migrated to the center, b. the density at the center was extreme, c. hydrogen and helium were present and nuclear fusion began, d. all of these | d | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004595 | the planets formed because | a. clumps of material continued to collide due to gravity, b. the burning sun flung molten material off into orbit, c. solid material precipitated out of the gases that orbited the sun, d. none of these | a | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004596 | the planets are sorted by density outward from the sun because of | a. centrifugal force, b. angular momentum, c. the planetary orbits, d. gravity | d | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004597 | the inner planets are made primarily of | a. dense rock and metal, b. gases and ices, c. hydrogen, helium, water, ammonia and methane, d. all of the above | a | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004598 | the nebular hypothesis explains why | a. the planets orbit the sun in different planes, b. the oldest rocks scientists have dated are about the same age, c. half the planets revolve clockwise and half the opposite, d. all of these | b | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004599 | materials that on earth are liquids or gases are solids in the outer planets. | a. true, b. false | a | Lesson: formation of the sun and planets
Formation of the Solar System:
The most widely accepted explanation of how the solar system formed is called the nebular hypothesis. According to this hypothesis, the Sun and the planets of our solar system formed about 4.6 billion years ago from the collapse of a giant cloud o... |
NDQ_004600 | fossil fuels are compounds of _________________. | a. nitrogen and carbon, b. nitrogen and hydrogen, c. carbon and hydrogen, d. calcium and nitrogen | c | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004601 | hydrocarbons in solid form are called _________________. | a. coal, b. petroleum, c. crude oil, d. natural gas | a | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004602 | hydrocarbons in gas form are called __________________. | a. coal, b. petroleum, c. natural gas, d. crude oil | c | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004603 | how do fossil fuels form? | a. biological remains are buried beneath masses of sediment and exposed to high heat and, b. dinosaurs are buried in hot tar, adding their bodies to the mass of fossil fuel, c. plants die in swamps and their bodies are converted to fossil fuels, d. none of these | a | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004604 | what is the original source of energy for fossil fuels? | a. the sun, b. heat from the core, c. heat from burial by sediments, d. food for the animals | a | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004605 | plants use solar energy to create | a. new plants, b. larger bodies, c. carbon compounds, d. all of the above | d | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004606 | methane is a molecule made with one carbon and _____ hydrogen atoms. | a. one, b. two, c. three, d. four | d | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004607 | fossil fuels are a very poor source of energy. | a. true, b. false | b | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004608 | what is the biggest downside our dependence on fossil fuels for energy? | a. they are found almost everywhere, b. they are non-renewable, c. they are extremely expensive, d. they are found below ground | b | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004609 | most of the fossil fuels we use today formed hundreds of millions of years ago. | a. true, b. false | a | Lesson: fossil fuel formation
Formation of Fossil Fuels:
Can you name some fossils? How about dinosaur bones or dinosaur footprints? Animal skeletons, teeth, shells, coprolites (otherwise known as feces), or any other remains or traces from a living creature that becomes rock is a fossil. The same processes that forme... |
NDQ_004610 | being nonrenewable resources, fossil fuels will last on the order of decades for coal and centuries for oil and natural gas. | a. true, b. false | b | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004611 | oil from shale is different from oil from petroleum because it is | a. much purer, b. very easy to extract and refine, c. is collected in shale reservoirs, d. is dispersed through rock | d | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004612 | although petroleum, coal and natural gas will eventually run out, tar sands and oil shale will be available for centuries at no more cost than traditional sources of fossil fuels. | a. true, b. false | b | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004613 | if people everyone in the developed world froze their use of oil at its current level the annual amount of oil used would not increase. | a. true, b. false | b | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004614 | much of the concern about the dangers of fracking is due to | a. the distance the oil must travel from where it is obtained to where it is used, b. the chemicals that are in the fracking fluids, c. the amount of rock disturbed at the land surface, d. all of the above | b | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004615 | _________ are rocky materials mixed with very thick oil. | a. oil shales, b. tar pits, c. conglomerates, d. tar sands | d | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004616 | as of today, fossil fuel provides about ______ of the worlds energy. | a. 50%, b. 65%, c. 85%, d. 100% | c | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004617 | what is a reason tar sands are strip-mined rather than pumped? | a. tar sands are too thick to pump, b. tar sands are solid and cannot flow, c. tar sands are too watered down to pump, d. none of the above | a | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004618 | the keystone xl pipeline is controversial because the oil it carries could cause environmental damage. | a. true, b. false added | a | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
NDQ_004619 | the environmental consequences of obtaining energy from tar sands include | a. pumping the sands in pipelines that go for thousands of miles, b. freezing the sands so that they can be mined as solids, which uses energy, c. using a lot of water that must be heated, plus caustic chemicals, d. none of the above | c | Lesson: fossil fuel reserves
Fossil Fuel Reserves:
Fossil fuels provide about 85% of the worlds energy at this time. Worldwide fossil fuel usage has increased many times over in the past half century (coal - 2.6x, oil - 8x, natural gas - 14x) because of population increases, because of increases in the number of cars,... |
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