Across
- 5. heat transfer through touching materials
- 7. result of a force pushing on an object
- 8. earthquakes
- 11. in the mantle, warms the earth
- 12. heat transfer through movement of liquid
- 13. organism preserved in rock
- 14. collide
- 15. slide past
- 16. heat transfer by sun
- 18. an instrument used to locate mid ocean ridges
- 19. has the convection current
- 20. part of the crust and upper mantle
Down
- 1. pieces on the lithosphere that are broken into pieces
- 2. force that builds up, volcanoes
- 3. supercontinent 300 million years ago
- 4. breaks in earths crust, San Andreas _____
- 6. the act of material spreading out from the mid ocean ridges
- 9. divide
- 10. the theory that the continents once were together and the drifted apart
- 17. layer of gas that gives us weather