How can I make new stuff from old stuff?

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Across
  1. 2. how something smells
  2. 3. 2 or more substances not chemically bonded
  3. 4. Data using numbers
  4. 5. old stuff in a reaction
  5. 6. solid dissolving into a liquid
  6. 9. property describing how things feel
  7. 10. chemical reaction that makes heat
Down
  1. 1. how much space something takes up
  2. 4. Data using describing words (like color)
  3. 7. Mass/volume
  4. 8. new stuff in a reaction