Scientific Method

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Across
  1. 2. anything held constant in an experiment
  2. 3. affected by the independent variable
  3. 4. an explanation for an observation
  4. 7. mistake made by humans & machines
  5. 8. first step of the scientific method
  6. 10. a type of scientific investigation
Down
  1. 1. variable that is manipulated
  2. 5. repeating an experiment
  3. 6. an educated guess
  4. 9. another word for investigate