Across
- 3. something that is required for a process
- 5. A sudden shaking of the earth's surface
- 8. to separateor set apart
- 11. to provide evidence that goes against a claim
- 13. a type of energy storage molecule.
- 14. all the living and nonliving things interacting in a particular area
- 16. to push an object away from something
- 17. something we observe to be similar over and over again.
- 18. to pull object towards one another
- 19. a layer of something or the outside layer.
Down
- 1. is a type of energy storage molecules
- 2. moving apart in a different direction
- 4. liquid rocks on the surfaces of the earth
- 6. to change from one type to another
- 7. to link two or more things
- 9. hot liquid rock earth's surface.
- 10. a set intinteractions something
- 12. is the ability to make things move or change
- 15. how often or fast something happens