Front

What is alternative energy?

Back

Energy generated by natural resources that is renewable.

Front

Which alternative energy source is the most efficient?

Back

Wind.

Front

What is solar energy?

Back

Energy that comes from the Sun.

Front

What type of energy does hydroelectric power represent?

Back

Energy generated from the movement of water.

Front

What is natural gas?

Back

A fossil fuel that is used for heating and electricity.

Front

What are renewable energy sources?

Back

Energy sources that can be replenished naturally, such as solar, wind, and hydro.

Front

What is the main advantage of using wind energy?

Back

It is a clean and renewable source of energy.

Front

What is geothermal energy?

Back

Energy derived from the heat stored beneath the Earth's surface.

Front

What is the difference between renewable and nonrenewable energy?

Back

Renewable energy can be replenished naturally, while nonrenewable energy cannot.

Front

What is biomass energy?

Back

Energy produced from organic materials, such as plant and animal waste.