Earth's Natural Resources

Which is not a source of alternative energy?

• nuclear energy

• wind energy

• solar energy

• fossil fuels

Fossils are usually created from the soft parts of an organism.

• True

• False

A material that formed from ancient organisms and is used today as a source of energy is a(n)_________.

• fossil fuel

• fissile material

• sediment

• alternative energy source

a solar cell uses the power of the Sun to produce electricity.

• True

• False

Which is why fossil fuels are considered nonrenewable resources?

• Fossil fuels are essential to civilization.

• Fossil fuels cannot be replaced fast enough for future use.

• Fossil fuels are easily renewed.

• Fossil fuels are alternative energy sources.

Electricity produced from flowing water is called__________.

• geothermal energy

• hydroelectricity

• thermal energy

• nuclear energy

Wind, moving water, solar energy, and geothermal energy are all__________.

• nonrenewable resources

• free energy sources

• fossil fuels

• alternative energy sources

The overuse of fossil fuels leads to______________.

• flooding

• pollution

• fertile soil

• good crops

Which is not a resource that is burned to heat our homes and give us electricity.

• natural gas

• coal

• plastic

• oil

How are fossil fuels formed?

• Heat and pressure turn animal and plant remains into fuels.

• Scientists collect fossils and turn them into fuels.

• One the surface of Earth, wind and rain turn fossils into fuels.

• Fossils sink into swamps and take between five and ten years to turn into fuels.