Simple Machines

What is a force that opposes motion - causes an object to slow down or stop moving by two things rubbing together?

What is the force of attraction between two objects; the attraction between you and the Earth?

What is a push or pull that may cause an object to move, stop, or change direction?

What is a tool that makes a task easier by changing the strength or direction of a force?

What simple machine has an inclined plane wrapped around a cylinder or rod?

What simple machine has a flat surface with one end higher than the other?

What simple machine has wheels with teeth?

What simple machine is a type of inclined plane used to separate a solid into two parts or to separate two objects from one another?

The function of this simple machine is to reduce the amount of friction between two objects.

This simple machine consists of a wheel that rotates freely around a stationary axle that is used to raise or lower an object.