Front

Solar energy

Back

Energy from the Sun; renewable source

Front

Mining activities

Back

removal of coal, copper, and gravel that pollutes land and water

Front

Alternative Fuels (renewable energy)

Back

Other energy sources that are better for the environment.

Front

Renewable resource

Back

A natural resource that can be replaced at the same rate it is consumed.

Front

Rain

Back

Needed to feed groundwater & surface water.

Front

Wind energy

Back

Energy from the kinetic energy of moving air

Front

Stream

Back

What moving water forms

Front

Hydropower

Back

Energy from moving water

Front

Smog

Back

A thick, brown haze formed when certain gases react in sunlight.

Front

Coal

Back

A fossil fuel that must be mined; non-renewable energy source