| | Simple Machines | | | Across | | | 3. | | The point about which 5 down pivots. | | | 4. | | A ramp. | | | 6. | | This simple machine lets cars and bicycles roll. | |
| | | Down | | | 1. | | A wheel over which a rope or belt is passed. | | | 2. | | A spiral version of 4 across. | | | 5. | | There are three basic types of this simple machine. | | | 6. | | A modified version of 4 across, it can be found in the blade of a knife or an axe. | |
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