Review unit 8 and 9

The energy that is stored in objects is known as ..... energy

• kinetic

• potential

• heat

• light

Chemical potential energy is stored in food , ......... and ...........

• batteries and fuels

• fuels and light

• light and batteries

• batteries and water

Geothermal energy is derived from …

• the sun

• the Earth's internal heat

• water

• the wind

Which of these is an example of a renewable energy source?

• coal

• natural gas

• wind

• oil

What is the main source of energy used in hydroelectric power?

• Coal

• Water

• Wind

• Natural gas

What is the main advantage of renewable energy sources?

• They are always available

• They are cheaper than fossil fuels

• They do not produce greenhouse gases

• They are easier to transport

When a log burns in a fireplace, which type of energy is primarily being released?

• Heat energy

• Kinetic energy

• Chemical energy

• Potential energy

Which type of energy is stored in food and is released when the food is digested?

• Chemical energy

• Potential energy

• Kinetic energy

• Sound energy

What form of energy is stored in a battery?

• Chemical energy

• Potential energy

• Kinetic energy

• Sound energy

Which of the following is a renewable source of energy?

• Wind

• Coal

• Natural gas

• Oil