Unit 2 Mod 1 DYNAMIC EARTH lessons 1-3

Edit Answers
12345678910111213141516
Across
  1. 7. process by which new seafloor continually forms
  2. 8. deep troughs in the seafloor
  3. 9. subduction :one plate moves ____ another
  4. 12. Wegener's Theory
  5. 14. used this to map seafloor in 1940's
  6. 15. molten rock below Earth's surface
  7. 16. ______tectonics "the earth is made of rigid plates that move with respect to each other"
Down
  1. 1. fractured pieces of crust along a fault
  2. 2. boundary where plates move away from each other
  3. 3. boundary where plates move past each other
  4. 4. mountain ranges under the ocean
  5. 5. boundary where plates move toward each other
  6. 6. vent through Earth's crust through which molten rock flows
  7. 10. supercontinent Wegener named
  8. 11. molten rock erupted onto the Earth
  9. 13. this can form if a meteor hits the Earth