Across
- 3. How many types of pulleys are there ?
- 4. What is the base of the lever ?
- 6. Dumbles are which type of simple machine ?
Down
- 1. When we want to attach two things which simple machine do we use ?
- 2. What type of simple machine is a ramp ?
- 3. How many types of levers are there ?
- 5. An axe is which type of simple machine ?