Across
- 5. simple machine that is a wheel with a rope
- 6. gear that uses a chain, like on a bicycle
- 9. it turns electricity into movement
- 11. gears can change this
- 13. simple machine that cuts or separates
- 14. gears can change this
Down
- 1. it squeezes air or other gases
- 2. it pushes water through pipes
- 3. magnet made with electricity
- 4. simple machine that uses a fulcrum
- 7. it means to set on fire, it's what happens in car engines
- 8. it spins to create power, like a windmill
- 10. it opens and closes a circuit
- 12. machine with 2 or more simple machines