Across
- 2. what keeps us down to earth
- 6. the person who discovered the laws of motion
- 9. doesn't like moving but can be forced
- 10. a group of parts working together
- 12. when two things physically touch each other
- 15. what keeps your feet on the ground when standing
Down
- 1. the cause of an object's movement
- 3. pulling a slinky
- 4. what keeps a rock from sliding down a hill
- 5. a thing
- 7. how fast an object moves over time
- 8. stuff inside an object
- 11. magnets react to each other when close but not touching
- 13. when you put force on an object
- 14. Hot Wheels being launched in a Hot Wheels launcher