| A | B |
| simple machine | a machine with few or no moving parts |
| lever | a simple machine made of a board that helps move objects |
| fulcrum | the point on which a lever turns |
| load | weight being lifted |
| inclined plane | a board with one end higher than another |
| energy | the ability to do work |
| screw | a simple machine that holds things together |
| wedge | a simple machine that pushes objects apart |
| wheel and axle | a simple machine that moves or turns objects |
| pulley | a simple machine made of a wheel and rope that moves a load up, down, or sideways |
| force | a push or a pull |