Scientific things

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Across
  1. 2. A changeable feature to an experiment
  2. 4. controlled
  3. 6. responding variable
  4. 7. statement
  5. 8. data
  6. 10. scientific questions
Down
  1. 1. the size of the sample investigated
  2. 3. plan
  3. 5. scientific investigation
  4. 9. repeating