Science

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Across
  1. 2. Where you get made-to-order ice cream
  2. 4. The basic unit of a chemical element
  3. 10. Change of state from gas to liquid
  4. 11. Tiny droplets of water suspended in the air can form this
  5. 13. A frozen treat
  6. 15. Most of the air is this gas
  7. 17. To reproduce, as in results of an experiment
  8. 18. Water is this state of matter
Down
  1. 1. Invisible substance that surrounds us
  2. 3. Change of state from liquid to gas
  3. 5. Change of state from solid to gas
  4. 6. A scientific procedure undertaken to test a hypothesis
  5. 7. Ice is this state of matter
  6. 8. An educated guess
  7. 9. There are over 100 of these on the periodic table
  8. 12. Reactive gas that is 21% of air
  9. 14. A branch of science
  10. 16. Water vapor is this state of matter