| Questions | Answers |
|---|---|
| A simple machine that has a grooved wheel that holds a rope | pulley |
| a simple machine consisting of two circular objects of different sizes | wheel and axle |
| a simple machine that is a straight, slanted surface | inlined plane |
| a simple machine that has a bar that pivots at a fixed point | lever |
| In what two ways can machines change the way work is done? |