Perla's puzzle

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Across
  1. 1. a series of waves that create a natural disaster
  2. 4. comes out at night and is in the sky
  3. 7. Like Earth, there are other sphere shapes balls in space
  4. 9. Sucks in anything it can like a vacuum and is in space
  5. 10. when something can be transmitted through a substance
  6. 12. the planet we live on
  7. 13. a natural disaster the cannot be controlled
  8. 15. The largest planet in the solar system
  9. 16. erupts lava
  10. 19. small or big pieces you can find in sand or anywhere
  11. 20. a fracture zone between two blocks
  12. 22. luminous points in the night sky
  13. 23. Keeps something together without it falling apart
Down
  1. 2. internal lava
  2. 3. is a heat transfer coefficient
  3. 5. a flow that carries water
  4. 6. A bright hot sphere in space, that earth relies on to live
  5. 8. transports something from one place to another
  6. 11. in other words, something that repeats again and again with no change
  7. 12. BOOM! Lava comes out of a volcano
  8. 13. another word for cold breeze
  9. 14. When the earth begins to shake uncontrollably
  10. 17. The spiral galaxy
  11. 18. the fourth planet
  12. 21. Comes out of a volcano