Investigations and equipment

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Across
  1. 2. Scientific idea about why or how something happens. (10)
  2. 5. These can be independent or dependent.(8)
  3. 6. A picture to help you. (7)
  4. 8. A result that doesn't seem to fit in with the rest of them. (9)
Down
  1. 1. Instructions on how to carry out the investigation. (6)
  2. 3. The things you use in the investigation. (9)
  3. 4. The data you collect and put in a table. (7)
  4. 7. A way of displaying results. (5)