Science Crossword

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Across
  1. 1. substance Matter that has fixed composition
  2. 2. How much matter is in a certain volume
  3. 6. change When something is changed into a new substance
  4. 8. Smallest unit of a substance
  5. 10. Smallest unit of an element
  6. 11. A substance that can't be broken down
Down
  1. 1. change Changes physical properties not chemical
  2. 3. point Temp when something changes from solid to liquid
  3. 4. Capacity of substance to combine with another substanc
  4. 5. Mixture of things not chemically combined
  5. 7. Made of atoms of different elements
  6. 9. point Temp when liquid changes to gas
  7. 12. Has mass and takes up space