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NDQ_004293 | earths internal layer with the highest density is the | a. oceanic crust, b. mantle, c. outer core, d. inner core | d | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004294 | one of the reasons we know that earths core is metallic is | a. the magnetic field, b. core samples that travel through the planet to the surface, c. the attraction of solar wind to our planet, d. moons gravitational attraction to earth | a | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004295 | scientists learn about earths interior from seismic waves, rocks and calculations of density and magnetism. | a. true, b. false | a | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004296 | who wrote a journey to the center of the earth? | a. j.k. rowling, b. alfred wegener, c. jules verne, d. r.l. stein | c | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004297 | which of the following materials is the most dense? | a. metal, b. mafic rock, c. felsic rock, d. mantle rock | a | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004298 | iron and nickel are both magnetic. | a. true, b. false | a | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004299 | we cant travel to the center of the earth in a volcanic tube because the pressure is so great it would close any tube that existed. | a. true, b. false | a | Lesson: earths interior material
Fossils were Parts of Living Organisms:
It wasnt always known that fossils were parts of living organisms. In 1666, a young doctor named Nicholas Steno dissected the head of an enormous great white shark that had been caught by fisherman near Florence, Italy. Steno was struck by the re... |
NDQ_004310 | without earths magnetic field | a. compasses would not work, b. solar winds would strip away ozone from the atmosphere, c. life would be exposed to ultraviolet radiation, d. all of the above | d | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004311 | what generates earths magnetic field? | a. convection in the atmosphere, b. a giant bar magnet inside the planet, c. convection in the liquid outer core, d. solar wind | c | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004312 | earths magnetic field | a. has a north and south pole, b. behaves like iron filings are inside the planet, c. arises due to radiation in the liquid outer core, d. all of these | a | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004313 | sometimes earths magnetic north pole becomes its magnetic south pole and vice versa. | a. true, b. false | a | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004314 | scientists know that the reason the magnetic field flips is this: | a. convection becomes chaotic and reverse direction, b. an asteroid impact disrupts motions in the core, c. excess volcanism causes chaos in the mantle, d. none of these; scientists do now know why this happens | d | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004315 | scientists model magnetic reversals to try to determine why they occur. | a. true, b. false | a | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004316 | the outer core is made of | a. iron alone, b. iron and nickel, c. peridotite, d. peridotite, iron and nickel | b | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004317 | which of these is a possibility for why earths magnetic field has flipped? | a. the convection currents reversed itself, b. an asteroid impact disrupted the motion in the core, c. the heat from the sun, d. both a and b | d | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004318 | earths magnetic field has disappeared for long periods of time in earth history. | a. true, b. false | b | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004319 | without earths magnetic field, complex life could probably not exist. | a. true, b. false | a | Lesson: earths magnetic field
Earths Magnetism:
Earth is surrounded by a magnetic field (Figure 1.1) that behaves as if the planet had a gigantic bar magnet inside of it. Earths magnetic field also has a north and south pole. The magnetic field arises from the convection of molten iron and nickel metals in Earths liqu... |
NDQ_004330 | earths shape is | a. a sphere, b. an oblate spheroid, c. a perfect circle, d. flat | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004331 | between the equator and the north pole is earths | a. northern quartersphere, b. northern halfsphere, c. northern hemisphere, d. northern demisphere | c | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004332 | the planets of the solar system are spherical because of | a. centrifugal force, b. gravity, c. their spin, d. their rock type | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004333 | earths hemispheres are | a. northern and southern, b. eastern and western, c. northeastern and southwestern, d. northern, southern, eastern and western | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004334 | it wasnt until johannes kepler that people realized that earth was round. | a. true, b. false | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004335 | earths shape is a bit squished at the poles and bulges at the equator. | a. true, b. false | a | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004336 | which of these is evidence that the earth is not flat? | a. a ship going out to sea getting smaller as if moves further away from you, b. the shadows of the moon during a lunar eclipse, c. the sun rising and setting as an arc, d. all of the above | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004337 | this ancient civilization knew the earth was round. | a. romans, b. greeks, c. mayans, d. aztecs | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004338 | earths minor axis is the diameter through its poles. | a. true, b. false | a | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004339 | the diameter through the poles is larger than the diameter through the equator. | a. true, b. false | b | Lesson: earths shape
Earths Shape:
Earth is a sphere or, more correctly, an oblate spheroid, which is a sphere that is a bit squished down at the poles and bulges a bit at the Equator. To be more technical, the minor axis (the diameter through the poles) is smaller than the major axis (the diameter through the Equator... |
NDQ_004350 | a total solar eclipse is when | a. the suns shadow completely blocks the moon, b. the moons shadow completely blocks the sun, c. the earths shadow completely blocks the sun, d. the earths shadow completely blocks the moon | b | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004351 | during a solar eclipse | a. the moon passes directly between the earth and the sun, b. the sun passes directly between the earth and moon, c. the earth passes directly between the sun and moon, d. none of the above | a | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004352 | a solar eclipse occurs when the moons shadow completely blocks the sun. | a. true, b. false | a | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004353 | solar eclipses last only a few minutes because the moon casts a small shadow. | a. true, b. false | a | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004354 | during a lunar eclipse, darkness in the middle of the day may cause temperatures to cool and stars to become visible. | a. true, b. false | b | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004355 | a lunar eclipse is when | a. the moon is between the earth and sun, b. the sun is between the earth and moon, c. the earth is in between the sun and moon, d. none of the above | c | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004356 | the inner, cone-shaped part of the shadow, in which all of the light has been blocked. | a. umbrella, b. penumbra, c. umbra, d. pendulum | c | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004357 | which of these is true of a total lunar eclipse? | a. the whole moon enters earths umbra, b. it lasts for hours, c. it can be viewed from any place on earth that has a view of the moon, d. all of these | d | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004358 | the penumbra is the inner, cone-shaped part of the shadow, in which all light has been blocked. | a. true, b. false | b | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004359 | why dont we see a lunar eclipse once each month? | a. there is not a full moon that often, b. earth and moons orbits are not on exactly the same plane, c. there is one each month, but not always in the same location, d. the moon enters earths penumbra each month, but not its umbra | b | Lesson: eclipses
Solar Eclipses:
A solar eclipse occurs when the new Moon passes directly between the Earth and the Sun (Figure 1.1). This casts a shadow on the Earth and blocks Earths view of the Sun. A total solar eclipse occurs when the Moons shadow completely blocks the Sun (Figure 1.2). When only a portion of the... |
NDQ_004371 | the polar regions receive the most solar radiation because their summer days are 6 month long. | a. true, b. false | b | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004372 | in the polar region, the night lasts | a. for 12 hours, b. for 6 days, c. for 6 hours, d. for 6 months | d | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004373 | the number of hours of daylight is equal all year long at the equator. | a. true, b. false | a | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004374 | what causes western europe to be warmer than the rest of europe? | a. the gulf stream, b. the benguela current, c. the arctic current, d. the east australian current | a | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004375 | latitude is the only factor that determines the temperature of a region. | a. true, b. false | b | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004376 | at the equator, the sun is just about directly overhead at midday. | a. true, b. false | a | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004377 | the equatorial region in south america should be hot, but is actually cool. there is a similar zone of cool at nearly the same latitude in africa. what is the reason for these equatorial cool zones? | a. rising warm air causes precipitation and leads to the growth of rainforests, b. high plateaus collect snow and ice so there is high albedo, c. sinking air from higher in the atmosphere brings cool air downward, d. none of these | a | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004378 | what prevents the poles from getting sunlight half the year? | a. earths elliptical orbit, b. the tilt of earths axis of rotation, c. the high albedo of the polar regions, d. none of these | b | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004379 | if a map of temperature displayed stripes parallel to the equator with equal temperatures the distance north and south of the equator, it would mean that only __________ affected temperature. | a. longitude, b. altitude, c. latitude, d. albedo | c | Lesson: effect of latitude on climate
Latitude:
Many factors influence the climate of a region. The most important factor is latitude because different latitudes receive different amounts of solar radiation. The Equator receives the most solar radiation. Days are equally long year-round and the Sun is just about direc... |
NDQ_004380 | which of these can cause lung disease and increased rates of asthma, emphysema, and viral infections? | a. particulates, b. nitrogen oxide, c. sulfur oxide, d. all of the above | d | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004381 | high ozone levels cause | a. diseases of the reproductive system, b. heart and lung disease, c. gastrointestinal diseases, d. all of the above | b | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004382 | in the united states, particulates are responsible for this many deaths a year. | a. 300, b. 3,000, c. 30,000, d. 300,000 | c | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004383 | shutting down vehicle traffic in a region results in a reduction in | a. hospital visits due to asthma, b. gastrointestinal diseases, c. anemia, d. all of the above | a | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004384 | due to air pollution, this disease is increasing, even for people who do not smoke. | a. stroke, b. heart disease, c. asthma, d. lung cancer | d | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004385 | scientists are certain that the increase in air pollution is causing the increase in lung cancer. | a. true, b. false | b | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004386 | a person exposed to air pollution is more likely to get lung cancer. | a. true, b. false | a | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004387 | in poorly ventilated spaces, such as tunnels, this gas can kill people. | a. carbon dioxide, b. lead, c. carbon monoxide, d. methane | c | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004388 | breathing air into which weve emitted pollutants is not much different from throwing trash in our food supply and eating it. | c. true, d. false | a | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004389 | according to one study, no amount of air pollution is safe to breathe. | a. true, b. false | a | Lesson: effects of air pollution on human health
Smog Effects on Human Health:
Human health suffers in locations with high levels of air pollution.
Pollutants and Their Effects:
Different pollutants have different health effects: Lead is the most common toxic material and is responsible for lead poisoning. Carbon mo... |
NDQ_004410 | if you live in a desert, the best car to buy to avoid a hot interior is one that is | a. white, b. yellow, c. blue, d. black | a | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004411 | radiation transfers energy by electromagnetic waves. | a. true, b. false | a | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004412 | the law of conservation of energy states that energy | a. cannot be created, b. cannot be destroyed, c. can change forms, d. all of the above | d | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004413 | violet light has the longest wavelengths for visible light. | a. true, b. false | b | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004414 | plants convert solar energy to chemical energy. | a. true, b. false | a | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004415 | the measure of how well a surface reflects light: | a. mirroring, b. albedo, c. refraction, d. prism | b | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004416 | a snow field has a low albedo. | a. true, b. false | b | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004417 | why would it be adaptive for a snake to see infrared energy? | a. as a reptile, it can then know where to go to warm up on cold mornings, b. as an animal, it can avoid locations where infrared radiation is high, c. as a predator, it is better able to locate a prey animal if it can see its body heat, d. none of these | c | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004418 | this breaks up light into different wavelengths, separating light into different colors. | a. mirror, b. prism, c. glass, d. screen | b | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004419 | which two items radiate energy? | a. a mirror and a prism, b. the moon and jupiter, c. the moon and the sun, d. the sun and a light bulb | d | Lesson: electromagnetic energy in the atmosphere
Energy:
Energy travels through space or material. This is obvious when you stand near a fire and feel its warmth or when you pick up the handle of a metal pot even though the handle is not sitting directly on the hot stove. Invisible energy waves can travel through air,... |
NDQ_004420 | what are two ways that energy can be conserved? | a. use less energy, b. create more energy, as needed, c. use energy more efficiently, d. use less energy and use energy more efficiently | a | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004421 | in 2004, the united states used most of its energy on ________________. | a. transportation, b. residential use, c. industrial use, d. commercial use | a | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004422 | which of these are ways we can use less energy in our homes? | a. turn off lights when not in a room, b. only run appliances when necessary, c. use a fan instead of an air conditioner, d. all of the above | d | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004423 | if you are driving, you can use energy more efficiently if you drive ___________. | a. above 90 miles per hour, b. below 55 miles per hour, c. above 55 miles per hour, d. between 60 and 70 miles per hour | b | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004424 | in a business, it is possible to conserve energy by | a. using incandescent lights, b. setting thermostats to turn off when buildings are empty, c. keeping appliances plugged in so they are ready to go on monday morning, d. all of these | b | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004425 | conserving energy is cleaner and cheaper than finding new energy. | a. true, b. false | a | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004426 | why is it good to conserve energy? | a. sources of energy that are limited will be available in the future, b. it is much cheaper to conserve energy than to develop new energy sources, c. energy that is not used does not produce pollution, d. all of these | d | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004427 | which type of light is more energy efficient? | a. incandescent lights, b. lead bulbs, c. compact fluorescent bulbs, d. none of these | c | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004428 | to be energy efficient at home | a. use old appliances, even if they no longer run well, b. make sure your home is well insulated, c. keep the heat (or air conditioning) on when you are not home so that you dont have to crank it up when you return, d. all of these | b | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004429 | using energy more efficiently will help our energy resources last a longer time. | a. true, b. false | a | Lesson: energy conservation
Conserving Energy:
Everyone can reduce their use of energy resources and the pollution the resources cause by conserving energy. Conservation means saving resources by using them more efficiently, using less of them, or not using them at all. You can read below about some of the ways you ca... |
NDQ_004430 | which of the following can be used as biofuel? | a. almond shells, b. algae, c. corn, d. all of these | d | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004431 | compared to other forms of renewable energy, biomass energy | a. is less reliable, b. burns more cleanly, with less greenhouse gas emissions, c. can be processed into a liquid for use in cars, d. all of these | c | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004433 | fossil fuels burn cleaner than biofuels. | a. true, b. false | b | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004434 | cow manure can be a source of methane gas, which can be converted to electricity. | a. true, b. false | a | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004435 | the considerations needed when using biomass for fuel includes | a. many crops need fertilizers to grow, which can become pollutants, b. some crops emit no greenhouse gases when burned, c. crops are more efficient than wastes as biofuels, d. all of these | a | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004436 | to create biomass energy, breakdown of the ______ of plants is needed. | a. mitochondria, b. cell walls, c. cytoplasm, d. nucleus | b | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004437 | biomass from which sugars are released and fermented create fuel. | a. true, b. false | a | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004438 | wood has been one of the oldest fuels used for warmth or to cook food. | a. true, b. false | a | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004439 | why is algae considered a better option as source of biofuels than corn? | a. algae is easier to convert to a usable fuel, b. algae can be grown in locations where crops cant, c. algae can thrive on waste, d. all of the above | d | Lesson: energy from biomass
Biomass:
Biomass is the material that comes from plants and animals that were recently living. Biomass can be burned directly, such as setting fire to wood. For as long as humans have had fire, people have used biomass for heating and cooking. People can also process biomass to make fuel, c... |
NDQ_004440 | the most commonly used energy resource in the u.s. is | a. oil, b. coal, c. natural gas, d. none of the above | a | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004441 | all of the energy resources listed in question 1 are nonrenewable resources. | a. true, b. false | a | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004442 | examples of renewable energy resources include | a. wind energy, b. solar energy, c. biomass energy, d. all of the above | d | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004443 | in the u.s., the most commonly used renewable energy resource is solar energy. | a. true, b. false | b | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004444 | people in the u.s. use far more energy per person than people in any other country. | a. true, b. false | a | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004446 | the worlds top five oil-consuming nations include all of the following except | a. india, b. japan, c. canada, d. china | c | Lesson: energy use
Use of Energy Resources:
Look at the circle graph in the Figure 1.1. It shows that oil is the single most commonly used energy resource in the U.S., followed by natural gas, and then by coal. All of these energy resources are nonrenewable. Nonrenewable resources are resources that are limited in sup... |
NDQ_004450 | the damage done by surface mining includes | a. clearing the landscape of trees and soil, b. erosion of sediments into streams and lakes, c. pollutants and acids flow outward from mines, d. all of these | d | 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_004451 | this product of mining can change the composition of nearby streams and lakes | a. water, b. precious metals, c. acids, d. all of the above | c | 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_004452 | acid flowing from coal mines in missouri polluted the water and land. | a. true, b. false | 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_004453 | older mines must also be reclaimed by u.s. law. | a. true, b. false | b | 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_004454 | reclamation of a mine area may include | a. filling pits with sediment, reshaping the land and planting vegetation, b. putting a cap on the mine and leaving, c. planting vegetation over the mine, d. none of these. reclamation is not a goal of most mine owners | 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_004455 | personal electronics are full of metals and other substances that come from mining. | a. true, b. false | 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_004456 | how does mining affect streams and lakes? | a. they may become full of sediment, b. they may become full of pollutants, c. they may become full of acid, d. all of these | d | 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_004457 | heavy metals are among the pollutants that can come off a mine. | a. true, b. false | 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_004458 | according to u.s. law, a mine region | a. may be left as it is when the mining is complete, b. must be restored to its natural state, c. may be capped and left alone, d. none of these | b | 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... |
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