Across
- 2. when two things rub together
- 4. the energy that is stored in an object
- 7. zeum4c2="PR_1_0" data-ddnwab="PR_1_0" aria-invalid="grammar" class="Lm ng">atmosphere what's</span> around you?
- 8. the top of something
- 13. a set of criteria
- 14. the great size of something
- 16. a force that acts between moving surfaces
- 18. zeum4c2="PR_2_0" data-ddnwab="PR_2_0" aria-invalid="grammar" class="Lm ng">newtons-laws</span> laws Laws made by newton
- 19. a planet containing humans
Down
- 1. to come in touch
- 3. class="Apple-interchange-newline">acceleration what do you do when you speed a car?
- 5. a form of energy that an object or a particle has by reason of its motion
- 6. swiftness
- 9. to make something happen
- 10. weight
- 11. doing successfully
- 12. how heavy something is
- 15. regular path
- 17. how fast something is going
