Natural Resources

Can be replaced within a human lifetime.

• Nonrenewable resources

• Renewable resources

Materials made in nature that are used by living things are known as...

• resources

• natural resources

• synthetic resources

• conservation

Why is wind considered a renewable energy source?

• Wind will never stop being produced.

• There's a fixed amount of wind.

• Wind energy is not useful.

• We are using wind too quickly.

Geothermal energy is from....

• the sun

• wind

• heat from the core of the earth

• water

Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?

• Hydroelectric

• Biomass

• Wind

• Solar

Which type of alternative energy source is shown in this picture?

• wind

• geothermal

• hydroelectric

• nuclear

Which of the methods of generating electricity does NOT use alternative energy resources?

• Burning coal in a power plant

• Solar panels taking in light energy

• Turbines spinning in a dam

• Drilling wells to reach hot rocks deep inside the earth

Nonrenewable resources:

• Are in limited supply.

• Are very expensive,

• Can be replaced easily.

• Take a long time to replace.

Which of the following are fossil fuels?

• oil, coal, and natural gas

• oil, natural gas, and solar energy

• biomass, solar, and wind energy

• hydroelectric, biomass, and solar energy

Fossil Fuels are a renewable resource.

• True

• False