Matter

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Across
  1. 1. Chemical reactionin which organic substances are transformed into other substances
  2. 4. Waterproof (two words)
  3. 7. Ability of a material to break easily
  4. 8. Chemical reaction in which fuels react with oxygen and produce light and heat energy
  5. 11. Substances we use for making all kinds of things
  6. 12. You can see the components that form the mixture
Down
  1. 2. The liquid solvent evaporates and the dissolved solid crystallises
  2. 3. Ability of an object to float or rise up in a fluid
  3. 5. Space that matter occupies
  4. 6. Ability of a material to resist scratches
  5. 9. Ability of a material to resist weight without breaking
  6. 10. Ammount of matter