Earth Science

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Across
  1. 2. study of all materials that make up Earth
  2. 3. study of mapmaking
  3. 6. tectonic plates move away from each other
  4. 12. fossilized seed plant Wegener collected
  5. 14. mineral with hardness level 8
  6. 16. another name for lines of longitude
  7. 18. mineral with hardness level 1
  8. 19. mineral inside common table salt
  9. 23. application of scientific knowledge
  10. 24. largest producer of nickels
  11. 25. mineral with hardness level 3
  12. 26. all the Earth
  13. 27. leading producer of copper, zinc, and silver
  14. 28. mineral used in pencils
  15. 29. hardest mineral in the world
  16. 30. mineral with hardness level 7
Down
  1. 1. all of Earth's oceans, rivers, and lakes
  2. 4. largest tectonic plate in the world
  3. 5. living organisms on Earth
  4. 7. tectonic plates slide past each other
  5. 8. major producer of coal
  6. 9. the way material reflects light from its surface
  7. 10. naturally occurring, inorganic solid with specific crystal structure
  8. 11. geologic process where the heavier ocean plate goes underneath the lighter one
  9. 13. blanket of gases around the Earth
  10. 15. study of Earth's oceans
  11. 17. non-living substances
  12. 20. study of objects beyond the Earth's atmosphere
  13. 21. mineral with hardness level 5
  14. 22. all organisms on Earth and the environment they live in