Across
- 2. weight
- 4. a set of criteria
- 6. what do you do when you speed a car?
- 7. how fast something is going
- 9. to make something happen
- 11. to do successfully
- 12. a planet containing humans
- 13. to come in touch
- 14. the great size of something
- 16. a force that acts between moving surfaces
- 17. the energy that is stored in an object
- 18. when two things rub together
Down
- 1. a force that acts between moving surfaces
- 3. what's around you?
- 5. how heavy something is
- 7. the top of something
- 8. Laws made by newton
- 10. regular path
- 15. swiftness
