Energy Sources

Where does most of the Earth's energy come from?

• electricity

• fossil fuels

• the moon

• the sun

Which are fossil fuels?

• oil

• coal

• water

• light

• natural gas

Which energy sources are renewable?

• gas

• coal

• wind

• wood

• oil

Some energy resources are called fossil fuels because ___

• They are found in rocks on our Earth's surface.

• They are sources of energy like wind, water, and sunlight.

• They come from plants and animals that have been buried for millions of years.

• They can be taken from plants and animals that are alive today.

What is a harmful result of burning coal to produce electricity?

• It can cause air pollution.

• It can cause evaporation.

• It can cause soil erosion.

• It can cause condensation.

Which energy source is nonrenewable?

• Wind

• Natural Gas

• Moving Water

• Solar

Which kind of light would be better to use so that we can conserve resources?

• Lights that use gas to work.

• Lights that use oil to work.

• Lights that use electricity to work.

• Lights that use solar energy to work.

Dams and lakes are built to create energy with this natural resource. What is it?

• Solar

• Gas

• Wind

• Water

Which are renewable energy sources?

• water

• wind

• coal

• sunlight

• natural gas

Fossil fuels are usually found _____

• below ground

• in the atmosphere

• on mountain peaks

• near the ocean surface