Across
- 2. the top layer
- 4. the evidence of life from the past
- 6. small parts forming a big whole
- 8. going in different directions
- 13. to examine in detail
- 14. going to the same place
- 16. something that happens over and over again
- 18. a large section of rock below earths surface
- 19. a big area of land on earth
- 20. a layer of soft solid rock below earths plates
Down
- 1. Hot liquid rock on the surface of the earth
- 3. slowly pulling apart
- 5. a feature that forms from land
- 7. a sudden stream of hot air
- 9. the sudden pushing out of something
- 10. a diagram of a object
- 11. how fast something happens
- 12. a sudden shake on earths surface
- 15. a long deep hole
- 17. hot liquid rock below the surface of the earth