Energy Review

What is energy?

• The ability to do work.
• Something that takes up space.
• A drink that you can buy.

What is matter?

• When something bothers a person.
• Anything that has mass and takes up space.
• How much an object weighs.

The energy that moving matter has is called

• Potential Energy
• Kinetic Energy
• Mechanical Energy

True or False: Wind can move objects, such as tree branches, because moving air has energy.

• True
• False

What is stored energy?

• Energy in matter that can cause matter to move or change.
• The potential energy that an object has to do work.

True or False: A boy standing still on a diving board has stored energy.

• True
• False

True or False: Energy can be stored in fuels. Gas that makes a car move has stored energy. The food that you eat has stored energy, too.

• True
• False

What does energy do?

• Energy travels around the world in waves.
• Energy moves cars along the road and boats along the water. It makes bodies grow and allows minds to think.

What do we use energy for in the U.S.?

• To makes electricity and heat homes
• The manufacture products.
• To move the parts in machines (such as cars)
• All of the above

True or False: Energy cannot be described as energy of motion and stored energy at the same time.

• True
• False