Plate Tectonics by Chris :D

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Across
  1. 5. What is the shaking of the ground called?
  2. 6. What is the hottest layer of the earth?
  3. 10. What is the type of boundary when plates slide past each other?
  4. 11. What is the type of boundary when plates move towards each other?
  5. 13. What type of rock forms from melting and hardening again?
  6. 14. What kind of Igeous rock hardens underground?
  7. 15. What type of rock forms from sediments hardening?
Down
  1. 1. What is it called when new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.
  2. 2. What is a rupture in the crust that allows lava and ash to escape from a magma chamber below the surface?
  3. 3. What is the densest plate?
  4. 4. What is the type of boundary when plates move apart?
  5. 7. What type of rock forms from heating up and pressure?
  6. 8. What kind of Igeous rock hardens above ground?
  7. 9. What is the super continent that existed around 335 million years ago?
  8. 12. What layer of the earth do plates rest on?