Gemma Merrill

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Across
  1. 4. Continents drifted into present location
  2. 6. Flat horizontal layers
  3. 10. A cup-like hollow that forms at top of volcano
  4. 11. A huge crack in the Earth's crust
  5. 16. The idea that Earth's surface is broken into plates that slide slowly along the mantle
  6. 17. The amount of energy from an earthquake
  7. 20. Earth's rocky surface
  8. 21. A wide, gently sloped volcano
  9. 23. A sensitive device that detects an earthquake
Down
  1. 1. The central opening of a volcano where magma escapes
  2. 2. The sliding of a denser ocean plate under another plate
  3. 3. A steep-sided volcano
  4. 5. The idea that new crust is forming spreading apart the Earth's crust
  5. 7. A very hot part where magma melts the plate
  6. 8. The layer beneath the Earth's crust
  7. 9. Heat from below the Earth's surface
  8. 12. Magma that has reached the Earth's surface
  9. 13. A vibration that comes from where the earthquake happens
  10. 14. The point directly above the focus of an earthquake
  11. 15. The exact point where an earthquake starts
  12. 18. Shaking of the Earth's crust after the main shaking of an earthquake
  13. 19. A cone shaped volcano
  14. 22. Hot molten rock beneath the Earth's surface