Understanding Energy Sources and Uses

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What are renewable energy sources?

Back

Renewable energy sources are energy sources that can be replenished naturally, such as sunlight, wind, and water.

Front

What are nonrenewable energy sources?

Back

Nonrenewable energy sources are energy sources that cannot be replaced once used, such as coal, oil, and natural gas.

Front

What is a generator?

Back

A generator is a device that converts mechanical energy into electrical energy.

Front

What happens when a magnet moves near a coil of wire?

Back

Electric charges flow in the wire.

Front

What is the main function of power lines?

Back

To carry electric current to homes and businesses.

Front

What is solar energy?

Back

Solar energy is energy from the sun that can be converted into electricity or heat.

Front

What is wind energy?

Back

Wind energy is energy generated from the movement of air, which can be converted into electricity.

Front

What is hydroelectric power?

Back

Hydroelectric power is electricity generated by using the energy of flowing water.

Front

What is the role of fossil fuels?

Back

Fossil fuels are used as energy sources for electricity, heating, and transportation.