You Are A Crossword Puzzle, Bro!

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Across
  1. 3. Lava below ground
  2. 4. Rock from a volcano
  3. 5. Shapeshifts like that OC I made in 6th grade
  4. 6. Sphere that has to do with air
  5. 9. Like a mineral but not really
  6. 10. If Earth didn't have this, we'd be in space!
  7. 12. Magma above ground
  8. 13. Line that is smiling
  9. 14. The weather shapes something -sion
  10. 18. Breeze during the night
  11. 19. Sedimental rocks that cry a lot
  12. 20. Sphere that has to do with water
Down
  1. 1. SQUEEEEEEEZE!
  2. 2. Rhymes with perfection
  3. 7. Pulls apart like those string cheeses
  4. 8. Line that is frowning
  5. 11. What shoots ash, smoke, and idk what else?
  6. 15. Breeze during the day
  7. 16. A space cloud! How cool is that?!
  8. 17. Sphere that has to do with rocks