Plate Techtonics: Science

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Across
  1. 4. When hot, less dense material rises from the Earth's crust,it causes _____ spreading
  2. 6. Two plates moving away from each other
  3. 8. Two Plates moving towards each other
  4. 9. Harry Hess mapped the ocean floor using ____
  5. 10. Continental-Continental plate movement makes ____ ranges
Down
  1. 1. A oceanic plate sliding under another plate
  2. 2. Made the first continental drift theory
  3. 3. A mountain in the ocean is called a Mid Ocean ___
  4. 5. The name of a supercontinent
  5. 7. A ____ boundary is when two plates slide past each other