Energy!

When you climb to the top of a water slide, you are gaining:

• gravitational potential energy

• gravitational kinetic energy

As Keisha heats up water for hot chocolate, the molecules:

• stop moving

• move faster

Which of the following would be a good source of energy?

• gasoline

• flour

What kind of energy does an organism receive from eating food?

• mechanical

• chemical

Food is an example of what kind of potential energy?

• electrical

• chemical

Renewable energy resources are resources that:

• can be used only once

• can be naturally replaced

Energy can be transferred by

• running in place

• pushing a wheel barrow

What do coal, wind, and a river all have in common?

• They can all be used to produce electricity.

• They are all free.

Jacob is removing a lamp cord from an electrical outlet. Which statement correctly describes why he should only touch the plastic cover?

• It is a conductor, so it easily transfers electrical energy.

• It is an insulator, so it does not easily transfer electrical energy.

A battery provides _________________ energy.

• potential

• electrical