Science Ch. 7
Across
- 4. a slanted surface used to move an object upward
- 7. inclined plane wrapped around a cylinder
- 8. wheel and bar that helps the wheel turn
- 9. a bar that rests on a fulcrum
Down
- 1. a machine made of two or more simple machines
- 2. a simple machine with two inclined planes
- 3. a tool that makes work easier and has few to no moving parts
- 5. a grooved wheel with a rope around it
- 6. a push or pull on an object
- 8. using forced to make something move