Science Crossword

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Across
  1. 3. a measure of how much mass there is in a given volume in a substance
  2. 5. A stack of fractured surfaces.
  3. 7. a mountain that forms in Earth's crust when molten material, or magma, reaches the surface.
  4. 8. When plates slip past each other.
  5. 11. a molten rock mixture.
  6. 13. Mountain ranges that ran along the middle of some ocean floors.
  7. 14. heat transfer by the movement of fluid.
  8. 16. A type of land form that is high in the sky.
  9. 18. a super continent that existed 200 million years ago.
  10. 19. When the ocean floor sinks and goes back into the mantle again.
  11. 20. When plates come together.
Down
  1. 1. Cracks in Earth's lithosphere.
  2. 2. Deep under water canyons.
  3. 4. New material from Mid-ocean ridges.
  4. 6. when magma reaches the surface.
  5. 9. energy that is carried in rays like light.
  6. 10. When plates move apart.
  7. 12. heat transfer between materials that are touching.
  8. 15. any trace of an ancient organism that has been preserved in rock.
  9. 17. Breaks in Earth's crust where rocks have slipped past each other.