Across
- 4. A bar that moves on a pivot point
- 6. The point a lever pivots on
- 7. The rod in the middle of a wheel
- 8. A round part that spins with an axle
- 9. A sharp tool that splits or cuts things apart
Down
- 1. Plane A flat surface set at an angle
- 2. A twisting tool that holds things together
- 3. A simple machine that uses a rope and a wheel to lift things
- 4. The heavy thing you lift with a simple machine
- 5. A slope that makes lifting easier
- 6. A push or pull that moves an object