Across
- 3. - made of 2 inclined planes that meet to form a sharp edge
- 4. - a wheel that has a groove and a chain or rope with a groove
- 5. - an incline plane or bar that rest on a point called the fulcrum
Down
- 1. - made from an inclined plane. Has ridges
- 2. plane -a flat surface that is higher on one end
- 3. and axel - turning levers