Across
- 2. How many simple machines are there?
- 5. This simple machine raise and lower things.
- 6. These things help us work and play.
- 8. I can play on this inclined plane.
- 9. Not boring.
- 11. A door stop is this kind of simple machine.
Down
- 1. A ramp is this kind of simple machine.
- 3. Easy.
- 4. Cars use this simple machine to move.
- 7. A bottle cap.
- 10. A see-saw is this kind of simple machine.