Across
- 1. a piece of wood or metal used to separate objects
- 3. used to lift heavy objects
- 4. a sloped surface
- 5. makes a tough job easier
- 7. an inclined plane wrapped around a cylinder
Down
- 1. used to make cars roll
- 2. consists of 2 or more simple machines
- 6. a machine consisting of a beam or rigid rod pivoted at a fulcrum