Matter Zoe,A

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Across
  1. 2. where the molecules are moving really fast example the sun
  2. 5. a mixture that cannot be separated easily
  3. 7. a type of matter made from different elements
  4. 9. the smallest particle of a substance made of combined atoms
  5. 11. when something changes chemically
  6. 15. when water is boiling it is
  7. 16. a point where a substance is melting
  8. 17. the point where a substance is about to boil
  9. 18. the molecules are moving really slow
Down
  1. 1. the smallest particle of an element
  2. 2. when something changes physically
  3. 3. the amount of space matter takes up
  4. 4. it takes the shape of its container
  5. 6. the point where a substance is about to freeze
  6. 8. an amount of matter given in the amount of space
  7. 9. anything that takes up space and has mass
  8. 10. solid,liquid,gas,plasma
  9. 12. the form of water vapor to liquid water
  10. 13. can't be broken down into simpler substances
  11. 14. molecules moving fast and space out
  12. 16. a combination of two or more substances