Dynamic Earth Vocabulary By Kuga T

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Across
  1. 1. Sudden shaking of the surface caused by release of energy in the lithosphere
  2. 5. Plates that slide horizontally past each other
  3. 9. Chains of undersea mountains
  4. 11. Reversal A flip of the Earth's magnetic field
  5. 13. Plates that come together with each other
  6. 15. Undersea valleys that are the deepest parts of the ocean
  7. 16. The outermost thinnest layer of the Earth
  8. 18. A theory that stated that the continents had once been fused together and over time they drifted apart
  9. 19. This theory states that Earth's lithosphere is broken up into plates
  10. 20. The thicker and less dense type of crust
Down
  1. 2. Plates in the lithosphere that consist of the Earth's crust and upper mantle
  2. 3. The denser and thinner type of crust
  3. 4. What oceanic crust is mostly made of
  4. 6. A process where the denser tectonic plate dives into the less dense plate
  5. 7. Continental crust is made of this
  6. 8. An ancient supercontinent that combined almsot all land into one supercontinent 200-230 million years ago
  7. 9. Protects us from sun radiation
  8. 10. Plates that move apart from each other
  9. 12. The thickest layer of the Earth, holding roughly 84% of the Earth's mass
  10. 14. Molten rock that flows up through a crack in the Earth's crust, and hardens on both sides of the crust.
  11. 17. A german meteorologist who created the continental drift theory