Conservation of Energy Resources

Hydroelectric power produces energy using -

• wind

• moving water

• sunlight

• coal

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Fossil fuels such as oil, coal, and natural gas are formed -

• deep underground

• by the ocean's waves

• from the sun's rays

• on the Earth's surface

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How does the technology shown transform energy?

• Thermal Energy to Mechanical Energy

• Mechanical Energy to Electrical Energy

• Electrical Energy to Radiant Energy

• Radiant Energy to Mechanical Energy

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Looking at the chart below, which two renewable resources provided the U.S. with the most energy in 2019?

• Geothermal and Solar

• Wind and Hydroelectric

• Solar and Wind

• Biofuels and Wood

Looking at the chart. Which nonrenewable resources are formed from the remains of prehistoric plants and animals, and are a source of air pollution?

• hydroelectric, wind, coal

• geothermal, natural gas, coal

• petroleum, natural gas, coal

• nuclear, solar, coal

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According to the chart, most of the energy used in the United States comes from -

• renewable resources

• solar power

• nonrenewable resources

• wind energy

Fossil fuels are considered nonrenewable because they -

• take millions of years to form

• can easily be replaced by humans

• cause pollution when burned

• burn up at a faster rate than renewable resources

What energy transformations are correct? Choose all correct answers.

• solar panel - Radiant to electrical

• wind turbine - Mechanical to radiant

• hydroelectric dam - Mechanical to electrical

• solar panel - mechanical to electrical

• wind turbine - mechanical to electrical

What are 4 HARMFUL consequences of energy use?

• air pollution

• habitat loss

• water pollution

• never replacing renewable resources

• loss of wildlife

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Which will take longest to occur?

• growing new trees after a fire

• converting wind power into electricity

• forming new fossil fuels

• collecting sunlight in solar panels