Chemistry

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Across
  1. 2. What are particles always doing
  2. 3. What occupies space
  3. 5. What is matter made of
  4. 7. What does Ar stand for
  5. 8. What is a another word for touchable
  6. 9. What do humans breath out
Down
  1. 1. What happens to water when it is in a kettle
  2. 4. How does a liquid go to gas
  3. 6. How does liquid turn into a solid
  4. 10. What is frozen water