Across
- 2. a rod in the centre of a wheel
- 3. a circle made out of any material
- 5. a simple machine that is a axe
- 7. a simple machine that uses a rope
- 9. the force that spins
Down
- 1. jobs can be maked faster and more efficient
- 4. the twirly lines on the screw
- 6. ot is used to transport people up and down
- 7. something to communicate and play games
- 8. the part that slides down