Front

What type of energy is produced when water passes through turbines in a dam?

Back

Electrical energy.

Front

What type of energy increases the temperature of water when heated by a stove?

Back

Thermal energy.

Front

What material is best for constructing a device that converts mechanical energy from falling water into electrical energy?

Back

Copper wire.

Front

Why are fossil fuels considered nonrenewable resources?

Back

They take a long period of time to form.

Front

Which of the following is an example of using nonrenewable energy?

Back

A power plant that burns coal.

Front

What is renewable energy?

Back

Energy that is collected from resources that are naturally replenished, such as sunlight, wind, and water.

Front

What is the main source of thermal energy in our homes?

Back

Heating systems, such as furnaces or stoves.

Front

What is the role of turbines in energy production?

Back

Turbines convert kinetic energy from moving water or air into mechanical energy, which can then be converted into electrical energy.

Front

What is an example of a renewable energy source?

Back

Solar energy.

Front

What is the difference between renewable and nonrenewable energy sources?

Back

Renewable sources can be replenished naturally, while nonrenewable sources are finite and take a long time to form.