Across
- 5. when a plate goes under another plate
- 8. how much mass in a given volume
- 9. a flat peice of land raised above the rest
- 11. breaks in earths crust
- 14. a ancient organism preserved
- 15. transfer of heat by touch
- 17. a super continent that was around millions of years ago
- 19. molten mixture in the mantle
- 20. formed along long chains of mountains
- 21. when magma reaches the surface
Down
- 1. a area underground under stress
- 2. a area where material come through the mantle to form magma
- 3. transfer of heat in fluids
- 4. shakes the ground
- 6. records the pattern of a earthquake
- 7. a wave on the surface
- 10. when pieces of earth's crust diverge on land
- 12. transfer of energy in rays
- 13. a line with many volcano's on it
- 16. two peices of land on top of eachother and under.
- 18. a pull on crust