Ch.4 and Ch.5

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