Mixtures

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Across
  1. 3. you have to ensure this when conducting an experiment
  2. 4. this is what the ocean is made of
  3. 7. a chemical science
  4. 11. the materials in a mixture are not in a set proportion
  5. 12. a substance containing two or more materials
  6. 13. sometimes a chemical one of these occurs when a mixture is made.
Down
  1. 1. another word for material that begins with 's'
  2. 2. you can conduct one of these in science.
  3. 5. a metallic type of homogenous mixture.
  4. 6. the materials in a mixture are in a set proportion
  5. 8. this is the subject that you are doing!
  6. 9. an alloy made from iron and carbon
  7. 10. you frequently walk on this hard surface.