Most of our energy comes from the sun.

A force cannot move an object.

Animals get energy from food.

A wedge is used to hold things together.

Fuel is a substance that is burned to provide power.

Solar energy is energy from the

A simple machine uses motion and force to perform work.

Which is not a fuel?

Which is not a form of energy?

Motion means

What is the force that makes it difficult to rub things together?

Which of these is not a simple machine?

What is the ability to do work and make things move?

A type of wedge is scissors.