| A | B |
|---|
| TOOL | takes the place of a body part |
| SIMPLE MACHINE | changes the amount or direction of force or cuts down on the amount of friction |
| LEVER | a bar made of wood, metal or any other strong material |
| FULCRUM | what the lever rests on |
| INCLINED PLANE | a slanted board that takes the place of lifting |
| A ramp is an example of | an inclined plane. |
| A screw is an example of | an inclined plane. |
| WEDGE | a simple machine that has 2 inclined planes |
| A wedge is a tool when | you use it with your hand. |
| A wedge is a simple machine when | you hit it with something. |
| ROLLERS | tools that took the place of dragging or lifting |
| WHEEL | a slice of a roller |
| AXLE | a rod that holds 2 wheels together |
| PULLEY | a wheel with a rope around it |
| A pulley is used to | raise a flag on a flagpole. |
| A seesaw is an example of | a lever and fulcrum. |
| A doorknob is an example of a | wheel and axle. |
| A wheel and axle is a SIMPLE machine when | it is run by muscle energy. |
