science stuffers

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Across
  1. 2. point hotter stuff
  2. 4. of state water to ice
  3. 5. that's pretty hard
  4. 7. OW, I got an electric shock what's that again oh no not
  5. 9. ITS KINDA LOUD IN HERE
  6. 10. your made of atoms which is
  7. 11. you've gained a few pounds
  8. 14. what [do nukes give off after explosion
  9. 15. I wonder what water is
  10. 17. substance very pure
  11. 18. point hot stuff
  12. 19. what was that warfare weapon mustard
Down
  1. 1. radiation is made up of
  2. 3. electricity and heat be friends
  3. 6. hey is that a lump I wonder what that is
  4. 8. what degrees Celsius is it again
  5. 12. its hot in here
  6. 13. theory of matter made up of literally everything
  7. 16. short for nuke