Puzzle

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Across
  1. 3. A gas that can be made when acid reacts with metal
  2. 5. A corrosive substance that chemically reacts with metals
  3. 7. This can me created when a chemical change takes place
  4. 8. A method used to ensure reliability in an experiment
  5. 9. The stage of the Scientific Method where you interpret your results
Down
  1. 1. A method used to visualise data
  2. 2. An instrument that is used to measure very small volumes of liquid
  3. 4. A substance made of one type of atom
  4. 6. A factor that is measured in an experiment