Renewable Energy

Renewable energy sources do not _________ as we use them.

• cost money

• run out

• smell good

Energy from the sun can be used directly or changed to ______________.

• chemical energy

• electrical energy

Hydropower means that _________ is being used for energy.

• wind

• sun

• water

Plants store the energy they get from the sun as chemical energy in their ________.

• cells

• roots

• stems

Biomass is a renewable energy source because new plants can be ___________ many times in the same place.

• replanted

• moved

• discovered

Hydropower relies on _____________ to create motion, such as a wheel running.

• still water

• flowing water

Wind energy is completely ___________ because it is produced continually by nature.

• nonrenewable

• renewable

Solar energy has many benefits, but one downfall is....

• it is too hot

• it costs too much money

• it is not available at night