SCIENCE UNIT @

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Across
  1. 1. The 180 degrees planet
  2. 6. When plates crash into each other
  3. 8. The biggest planet
  4. 10. When plates drift apart
  5. 12. A streak of light in the sky caused by a burning meteoroid
  6. 13. What keeps us on the ground
  7. 14. When one plate slides under another
  8. 15. The habitable planet
  9. 17. The country that started the theory of continental drift
  10. 18. The center of our solar system
  11. 19. The hottest planet
  12. 20. The red planet
Down
  1. 2. The first name of the proposer of Continental Drift
  2. 3. Rocky metallic objects in space too small to be planets
  3. 4. The rings planet
  4. 5. The fastest planet
  5. 7. The really cold planet
  6. 9. Area of the Earth where tectonic activity occurs most
  7. 11. The word that comes before plate
  8. 16. When plates slide past each other