Lesson 2

Solar energy is energy from the sun.

• True

• False

Reorder how water in a reservoir produces electricity.

• Water forms a reservoir.

• Water turns into kinetic energy as it is released through tunnels.

• A generator spins and produces electricity.

• The water turns a turbine.

Humans have to build a ___ to produce hydroelectric power.

Select the important components of geothermal energy.

• Heats homes.

• Fuels car.

• Generates electricity

• Produces fire.

Select the main sources of renewable energy.

• wind

• fossil fuels

• uranium

• geothermal

• solar

A disadvantage of solar energy is that it can be used only in tectonically active areas.

• True

• False

A disadvantage of solar energy is that it can harm dogs.

• True

• False

____ is not a renewable energy resource.

• Natural Gas

• The Sun

• Moving Water

Select a disadvantage of hydroelectric power

• nonpolluting

• inexpensive

• harmful to organisms