materials in the environment that are useful to people

• nonrenewable energy
• conservation
• natural resources
• solar energy

the wise use and protection of natural resources

• natural resources
• green
• renewable energy
• conservation

Geothermal energy uses ----------------- to produce electricity.

• steam wells
• corn
• the sun
• the wind

What form of alternative energy uses the sun?

• Wind power
• hydroelectric power
• geothermal power
• solar power

What form of alternative energy uses plants and animal waste and turns it into sugar and then liquid fuel?

• geothermal power
• biomass power
• solar power
• hydroelectric power

What form of alternative energy uses a dam?

• hydroelectric power
• geothermal power
• biomass power
• solar power

What form of alternative energy uses the heat from the earth?

• solar power
• geothermal power
• biomass power
• wind power

Which natural resource is a renewable energy resource?

• coal
• oil (petroleum)
• natural gas
• sun

What alternative energy resource could be harmful to the environment which fish live in?

• biomass power
• wind power
• geothermal power
• hydroelectric power

Which alternative energy resource can be harmful to birds?

• biomass energy
• geothermal energy
• wind energy
• solar energy