Continental drift

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Across
  1. 2. Crack or fracture in Earth’s crust
  2. 4. Act of which one tectonic plate is pulled beneath another
  3. 5. Wegener German scientist that developed the theory of continental drift
  4. 7. plate Massive slab of rock made up of Earth’s lithosphere
  5. 9. ridge Located at the boundary between two tectonic plates that are moving apart
  6. 11. Broken up landmasses from Pangaea
  7. 15. solid layer of Earth; thin layer of rock surrounding the entire Earth
  8. 17. The inner layer of the Earth consisting of a liquid layer and a solid layer
  9. 19. core Solid layer of Earth’s core
  10. 20. Molten rock stored under Earth’s surface
Down
  1. 1. One huge landmass; existed 300 million years ago
  2. 3. The layer of the Earth, consisting of the crust and the uppermost mantle
  3. 6. Hot molten rock erupted from a volcano
  4. 8. trenches Steep depressions in the deepest parts of the ocean
  5. 10. Upper layer of the Earth’s mantle asthenosphere
  6. 12. core Liquid layer of Earth’s core
  7. 13. A sudden and violent shaking of the ground
  8. 14. A trace of an ancient organism
  9. 16. Largest and thickest layer of Earth
  10. 18. A mountain or hill in which lava has erupted