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8,200
NDQ_003074
earths energy
Sources of energy on Earth include the
null
null
Multiple Choice
a. sun., b. planets internal heat., c. decay of radioactive elements., d. all of the above
d
8,201
NDQ_003075
earths energy
What happens when energy changes form?
null
null
Multiple Choice
a. Some of the energy is lost., b. The amount of energy increases., c. The energy is generally used up., d. The amount of energy remains the same.
d
8,202
NDQ_003076
earths energy
An example of potential energy is a child who is
null
null
Multiple Choice
a. running., b. swimming., c. sitting at the top of a slide., d. none of the above
c
8,203
NDQ_003077
earths energy
An example of kinetic energy is a child who is
null
null
Multiple Choice
a. running., b. swimming., c. sliding down a slide., d. all of the above
d
8,204
NDQ_003078
earths energy
Most electricity used in homes comes from
null
null
Multiple Choice
a. batteries., b. power plants., c. biomass fuels., d. solar energy.
b
8,205
NDQ_003079
earths energy
Which statement is true of all renewable resources?
null
null
Multiple Choice
a. They will never run out., b. They can be used unsustainably., c. They have no drawbacks., d. none of the above
d
8,206
NDQ_003080
earths energy
The energy stored in fossil fuels came originally from
null
null
Multiple Choice
a. rocks., b. magma., c. the sun., d. dinosaurs.
c
8,207
NDQ_003082
nonrenewable energy resources
To be useful, oil must be located in a(n) _________ rock layer and trapped by a(n) _________ rock layer.
null
null
Multiple Choice
a. impermeable, permeable, b. permeable, impermeable, c. impermeable, impermeable, d. permeable, permeable
b
8,208
NDQ_003084
nonrenewable energy resources
Which of the following fuels produces the least amount of carbon dioxide per unit of energy?
null
null
Multiple Choice
a. coal, b. oil, c. natural gas, d. all of these produce the same amount of carbon dioxide.
c
8,209
NDQ_003086
nonrenewable energy resources
Fuel made primarily of methane is called
null
null
Multiple Choice
a. coal, b. petroleum, c. natural gas, d. liquid gas
c
8,210
NDQ_003087
nonrenewable energy resources
The main gases that are a by-product of burning gasoline are
null
null
Multiple Choice
a. water vapor and carbon dioxide, b. carbon dioxide and sulfur compounds, c. sulfur compounds and nitrogen compounds, d. nitrogen compounds and carbon dioxide
a
8,211
NDQ_003090
nonrenewable energy resources
Nuclear power that is currently in use comes from.
null
null
Multiple Choice
a. combustion of uranium atoms, b. splitting uranium atoms, c. fusing uranium atoms, d. breaking electrons away from a uranium atom
b
8,212
NDQ_003095
nonrenewable energy resources
fossil fuel that produces the least pollution when burned
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
d
8,213
NDQ_003098
nonrenewable energy resources
hardest form of coal
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
f
8,214
NDQ_003100
nonrenewable energy resources
solid fossil fuel
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
g
8,215
NDQ_003101
nonrenewable energy resources
Fossil fuels come from the remains of ancient organisms.
null
null
Multiple Choice
a. true, b. false
a
8,216
NDQ_003102
nonrenewable energy resources
element used to produce nuclear power
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
c
8,217
NDQ_003103
nonrenewable energy resources
Hydrocarbons are all liquids, like gasoline.
null
null
Multiple Choice
a. true, b. false
b
8,218
NDQ_003104
nonrenewable energy resources
liquid fossil fuel
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
e
8,219
NDQ_003105
nonrenewable energy resources
main component of natural gas
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
a
8,220
NDQ_003106
nonrenewable energy resources
Oil and gas will fill our needs for a time period on the order of thousands of years.
null
null
Multiple Choice
a. true, b. false
b
8,221
NDQ_003107
nonrenewable energy resources
any compound consisting of carbon and hydrogen
null
null
Multiple Choice
a. methane, b. hydrocarbon, c. uranium, d. natural gas, e. petroleum, f. anthracite, g. coal
b
8,222
NDQ_003108
nonrenewable energy resources
Nuclear power plants produce so much energy because the process is not controlled.
null
null
Multiple Choice
a. true, b. false
b
8,223
NDQ_003109
nonrenewable energy resources
Natural gas is useful as a fuel more-or-less as it comes out of the ground.
null
null
Multiple Choice
a. true, b. false
a
8,224
NDQ_003110
nonrenewable energy resources
Which fossil fuel formed from dead plants that settled to the bottom of swamps millions of years ago?
null
null
Multiple Choice
a. coal, b. crude oil, c. petroleum, d. natural gas
a
8,225
NDQ_003111
nonrenewable energy resources
What happens to crude oil at a refinery?
null
null
Multiple Choice
a. It is separated into different compounds., b. It is removed from rock layers., c. It is heated., d. two of the above
d
8,226
NDQ_003112
nonrenewable energy resources
Which products are made from crude oil?
null
null
Multiple Choice
a. gasoline, b. plastic, c. fertilizer, d. all of the above
d
8,227
NDQ_003113
nonrenewable energy resources
The fossil fuel that is the biggest contributor to global warming is
null
null
Multiple Choice
a. oil., b. coal., c. diesel fuel., d. natural gas.
b
8,228
NDQ_003114
nonrenewable energy resources
Dead organisms turn to fossil fuels when they are exposed to
null
null
Multiple Choice
a. oxygen., b. sulfuric acid., c. heat and pressure., d. underground water.
c
8,229
NDQ_003115
nonrenewable energy resources
Which statement about natural gas is false?
null
null
Multiple Choice
a. It releases no air pollutants when burned., b. It forms at higher temperatures than crude oil., c. It must be processed before it is used as a fuel., d. It produces less carbon dioxide than other fossil fuels.
a
8,230
NDQ_003116
nonrenewable energy resources
What does a properly operating nuclear power plant release into the air?
null
null
Multiple Choice
a. carbon dioxide, b. sulfur dioxide, c. particulates, d. steam
d
8,231
NDQ_003117
nonrenewable energy resources
Fossil fuels are compounds known as hydrocarbons.
null
null
Multiple Choice
a. true, b. false
a
8,232
NDQ_003118
nonrenewable energy resources
Unlike other types of coal, anthracite is igneous rock.
null
null
Multiple Choice
a. true, b. false
b
8,233
NDQ_003119
nonrenewable energy resources
Most of the coal in the United States is found in the Rocky Mountains.
null
null
Multiple Choice
a. true, b. false
b
8,234
NDQ_003120
nonrenewable energy resources
Petroleum formed at the bottom of ancient seas.
null
null
Multiple Choice
a. true, b. false
a
8,235
NDQ_003121
nonrenewable energy resources
The United States produces more oil than it uses.
null
null
Multiple Choice
a. true, b. false
b
8,236
NDQ_003122
nonrenewable energy resources
Burning gasoline leads to smog and ground-level ozone.
null
null
Multiple Choice
a. true, b. false
a
8,237
NDQ_003123
nonrenewable energy resources
Natural gas is obtained from Earths atmosphere.
null
null
Multiple Choice
a. true, b. false
b
8,238
NDQ_003124
nonrenewable energy resources
Most coal contains the element sulfur.
null
null
Multiple Choice
a. true, b. false
a
8,239
NDQ_003125
nonrenewable energy resources
Nuclear energy is a renewable energy resource.
null
null
Multiple Choice
a. true, b. false
b
8,240
NDQ_003126
nonrenewable energy resources
Fuel rods in nuclear power plants are made of carbon.
null
null
Multiple Choice
a. true, b. false
b
8,241
NDQ_003128
renewable energy resources
The primary barrier to solar energy use is that it
null
null
Multiple Choice
a. is not technically feasible, b. causes major pollution problems, c. is too expensive compared to other energy sources, d. all of these
c
8,242
NDQ_003130
renewable energy resources
Hydroelectric plants
null
null
Multiple Choice
a. produce a lot of greenhouse gases, b. create a reservoir that may bury natural or cultural resources, c. release sediment that can bury a landscape, d. produce nitric acid that falls as acid rain
b
8,243
NDQ_003132
renewable energy resources
Wind power
null
null
Multiple Choice
a. comes indirectly from solar energy, b. is cheap to harness on a large scale, c. is welcomed by people everywhere, d. produces a lot of greenhouse gases
a
8,244
NDQ_003133
renewable energy resources
Geothermal energy
null
null
Multiple Choice
a. has extreme safety issues because it is so hot, b. is best where hot water comes to the surface, c. requires cool water be pumped into the ground, d. produces a lot of greenhouse gases
b
8,245
NDQ_003136
renewable energy resources
When energy moves through material, but the material itself does not move, this is
null
null
Multiple Choice
a. radiation, b. convection, c. electromagnetism, d. conduction
d
8,246
NDQ_003141
renewable energy resources
If we could harness it, which of the following energy sources could provide all the energy needed by people around the world for billions of years?
null
null
Multiple Choice
a. wind, b. water, c. biomass, d. geothermal
d
8,247
NDQ_003144
renewable energy resources
Solar energy is used to
null
null
Multiple Choice
a. heat water., b. heat homes., c. generate electricity., d. all of the above
d
8,248
NDQ_003146
renewable energy resources
Possible sources of water power include
null
null
Multiple Choice
a. streams., b. waves., c. tides., d. all of the above
d
8,249
NDQ_003147
renewable energy resources
Wind power has only been harnessed in recent years.
null
null
Multiple Choice
a. true, b. false
b
8,250
NDQ_003148
renewable energy resources
Generally, to harness the power of water flowing in a stream, the stream must be
null
null
Multiple Choice
a. drained., b. dammed., c. depleted., d. destroyed.
b
8,251
NDQ_003149
renewable energy resources
The largest geothermal power planet in the United States is in Iceland.
null
null
Multiple Choice
a. true, b. false
b
8,252
NDQ_003150
renewable energy resources
A wind turbine is a device that uses the energy of wind to
null
null
Multiple Choice
a. grind grain., b. pump water., c. generate electricity., d. all of the above
c
8,253
NDQ_003151
renewable energy resources
Which of the following is an advantage of using biofuels?
null
null
Multiple Choice
a. Growing plants for the fuels uses up carbon dioxide., b. Using the fuels does not produce air pollution., c. Producing the fuels does not require processing., d. all of the above
a
8,254
NDQ_003152
renewable energy resources
To produce electricity, a resource must somehow turn a turbine.
null
null
Multiple Choice
a. true, b. false
a
8,255
NDQ_003153
renewable energy resources
A geothermal power plant generates electricity with
null
null
Multiple Choice
a. melted rock., b. hot water., c. flowing water., d. wave energy.
b
8,256
NDQ_003154
renewable energy resources
The land upstream of a dam may be flooded.
null
null
Multiple Choice
a. true, b. false
a
8,257
NDQ_003155
renewable energy resources
Most of Earths energy comes directly or indirectly from the Sun.
null
null
Multiple Choice
a. true, b. false
a
8,258
NDQ_003156
renewable energy resources
The sun is planet Earths main source of energy.
null
null
Multiple Choice
a. true, b. false
a
8,259
NDQ_003157
renewable energy resources
Solar energy has been used by people only since the late 1900s.
null
null
Multiple Choice
a. true, b. false
b
8,260
NDQ_003158
renewable energy resources
A solar cell consists of many solar panels.
null
null
Multiple Choice
a. true, b. false
b
8,261
NDQ_003159
renewable energy resources
Solar power plants use mirrors to focus sunlight.
null
null
Multiple Choice
a. true, b. false
a
8,262
NDQ_003160
renewable energy resources
The technology needed for most uses of solar energy is expensive.
null
null
Multiple Choice
a. true, b. false
a
8,263
NDQ_003161
renewable energy resources
Streams with wide valleys are best for producing hydroelectric power.
null
null
Multiple Choice
a. true, b. false
b
8,264
NDQ_003162
renewable energy resources
Using water power has no negative effects on the environment.
null
null
Multiple Choice
a. true, b. false
b
8,265
NDQ_003163
renewable energy resources
Wind turbines are inexpensive and long lasting.
null
null
Multiple Choice
a. true, b. false
b
8,266
NDQ_003164
renewable energy resources
Some car engines can run on pure vegetable oil.
null
null
Multiple Choice
a. true, b. false
a
8,267
NDQ_003165
renewable energy resources
Geothermal energy can be used without processing.
null
null
Multiple Choice
a. true, b. false
a
8,268
NDQ_003166
renewable energy resources
fuel made from plants
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
c
8,269
NDQ_003167
renewable energy resources
device that changes sunlight directly to electricity
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
g
8,270
NDQ_003168
renewable energy resources
transfer of energy between two objects that are in contact
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
a
8,271
NDQ_003169
renewable energy resources
transfer of energy through a liquid by currents
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
d
8,272
NDQ_003170
renewable energy resources
source of the suns energy
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
b
8,273
NDQ_003171
renewable energy resources
transfer of energy by waves that can travel through matter or across space
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
f
8,274
NDQ_003172
renewable energy resources
electricity produced by harnessing the energy of flowing water
null
null
Multiple Choice
a. conduction, b. nuclear fusion, c. biofuel, d. convection, e. hydroelectric power, f. radiation, g. solar cell
e
8,275
NDQ_003219
continental drift
To develop the theory of plate tectonics, scientists first had to accept the idea that
null
null
Multiple Choice
a. Earths core consists of molten metals., b. some organisms can cross the oceans., c. Earths continents are able to move., d. all of the above
c
8,276
NDQ_003220
continental drift
Mountain ranges located on both side of the Atlantic Ocean
null
null
Multiple Choice
a. are the same height and width, b. have the same rock types, structures and ages, c. have ancient fossils and coal seams, d. are just separate mountain ranges
b
8,277
NDQ_003221
continental drift
The idea of continental drift was first proposed in the early
null
null
Multiple Choice
a. 1700s., b. 1800s., c. 1900s., d. 2000s.
c
8,278
NDQ_003222
continental drift
Scientists didnt accept the continental drift idea because
null
null
Multiple Choice
a. there was almost no evidence for it, b. Wegener was not liked and no one listened to him, c. there were many other ways to explain the evidence, d. none of these
d
8,279
NDQ_003223
continental drift
Magnetic minerals in volcanic rock point to
null
null
Multiple Choice
a. the current north magnetic pole, b. the north magnetic pole at the time they crystallized, c. the north magnetic pole on the adjacent continent., d. none of these
b
8,280
NDQ_003224
continental drift
Evidence for continental drift comes from ancient
null
null
Multiple Choice
a. magnetic compasses., b. maps of Pangaea., c. coal seams., d. all of the above
c
8,281
NDQ_003225
continental drift
Wegeners idea is correctly referred to as
null
null
Multiple Choice
a. the continental drift hypothesis, b. the continental drift theory, c. the plate tectonics hypothesis, d. the plate tectonics theory
a
8,282
NDQ_003226
continental drift
Wegener observed that the Appalachian Mountains in eastern North America matched mountain ranges in
null
null
Multiple Choice
a. western North America., b. South America., c. Greenland., d. Africa.
c
8,283
NDQ_003227
continental drift
What was Wegeners continental drift idea?
null
null
Multiple Choice
a. The continents have always been located at their current locations., b. The continents are moving slowly together from their current locations., c. The continents have moved slowly apart to their current locations., d. None of these
c
8,284
NDQ_003228
continental drift
What was Alfred Wegeners role in the development of the theory of plate tectonics?
null
null
Multiple Choice
a. He proposed the hypothesis of continental drift., b. He provided evidence that continents have moved., c. He identified magnetic evidence for plate tectonics., d. two of the above
d
8,285
NDQ_003230
continental drift
In Pangaea, the present continent of South America was attached to present-day
null
null
Multiple Choice
a. Australia., b. Eurasia., c. Africa., d. India.
c
8,286
NDQ_003231
continental drift
region of magnetic force surrounding a magnet
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
f
8,287
NDQ_003233
continental drift
evidence for continental drift identified after Wegeners death
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
c
8,288
NDQ_003236
continental drift
hypothesis that continents move over Earths surface
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
d
8,289
NDQ_003237
continental drift
evidence for continental drift identified by Wegener
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
b
8,290
NDQ_003239
continental drift
Similar fossil records across continents was evidence for continental drift.
null
null
Multiple Choice
a. true, b. false
a
8,291
NDQ_003240
continental drift
former supercontinent that consisted of all the present continents
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
e
8,292
NDQ_003241
continental drift
The magnetic north pole and geographic north pole are in the same location.
null
null
Multiple Choice
a. true, b. false
b
8,293
NDQ_003242
continental drift
theory that explains how continents can drift
null
null
Multiple Choice
a. plate tectonics, b. fossils, c. magnetite crystals, d. continental drift, e. Pangaea, f. magnetic field
a
8,294
NDQ_003244
continental drift
If an ancient coral reef is found in the arctic it means that the continent it is on has drifted.
null
null
Multiple Choice
a. true, b. false
a
8,295
NDQ_003246
continental drift
The continents have never all been together as a single whole continent.
null
null
Multiple Choice
a. true, b. false
b
8,296
NDQ_003247
continental drift
The locations of ancient climate zones provide evidence for continental drift.
null
null
Multiple Choice
a. true, b. false
a
8,297
NDQ_003252
continental drift
The theory of plate tectonics was developed before the idea of continental drift.
null
null
Multiple Choice
a. true, b. false
b
8,298
NDQ_003253
continental drift
Wegener believed that all the continents were once joined together.
null
null
Multiple Choice
a. true, b. false
a
8,299
NDQ_003254
continental drift
Wegeners hypothesis of continental drift was widely accepted as soon as it was introduced.
null
null
Multiple Choice
a. true, b. false
b