Across
- 5. The _______ pulls everything back to the ground.
- 6. we need ______ to be able to do work.
- 7. God give the ability for human to _______ simple machines.
- 8. A ______ is a push and pull
Down
- 1. ________ is when something change place or position
- 2. a ______has north and south poles
- 3. A _______ helps to lift things up.
- 4. Simple machine helps to make our work______