What are nonrenewable energy resources?

• Resources that can be replenished naturally over time

• Resources that cannot be replenished naturally over time

• Resources that are always available and never run out

• Resources that are only used in renewable energy technologies

List four examples of nonrenewable energy resources.

• Coal, Oil, Natural Gas, Nuclear Energy

• Solar, Wind, Hydroelectric, Geothermal

• Biomass, Tidal, Wave, Hydrogen

• Wood, Peat, Charcoal, Ethanol

Choose the letter of each resource that is considered to be a fossil fuel.

• tree

• uranium

• oil

• coal

Is the following sentence true or false? Although fossil fuels are evenly distributed throughout Earth, they only represent ten percent of total energy consumed.

• True

• False

What are some advantages and disadvantages of using fossil fuels as a source of energy?

• Fossil fuels are abundant and provide a stable energy source, but they contribute to pollution and climate change.

• Fossil fuels are renewable and environmentally friendly, but they are expensive to extract.

• Fossil fuels are cheap and clean, but they are not widely available.

• Fossil fuels are the only source of energy that does not impact the environment.

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An energy resource that can be replaced in a reasonably short period of time is called a(n) _______ resource.

• renewable

• non-renewable

• fossil fuel

• nuclear

Choose the letter of each sentence that is true about renewable energy resources.

• Wind and solar energy are both renewable energy resources.

• Renewable energy resources are always more efficient than nonrenewable resources.

• Renewable energy resources can be used to generate electricity and to heat homes.

• Magma generates most renewable energy, either directly or indirectly.

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One energy conversion that takes place during the generation of hydroelectric power is:

• conversion of kinetic energy to electrical energy

• conversion of thermal energy to electrical energy

• conversion of chemical energy to electrical energy

• conversion of nuclear energy to electrical energy

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Is the following sentence true or false? One disadvantage of hydroelectric power is that it is among the most expensive energy sources.

• True

• False

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For numbers 10 through 15, match the letter of each renewable energy source to its description.

• Mirrors concentrate sunlight to produce electricity.

• geothermal

• Water pumped below ground is converted to steam.

• wind

• Energy is obtained from flowing water.

• Biomass

• Chemical energy of wood is converted

• hydroelectric

• Kinetic energy of moving air is converted into rotational energy of a turbine.

• solar