Scientific method

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Across
  1. 4. a person that answers questions about the natural world
  2. 6. the variable you alter or mess with
  3. 9. able to vary or subject to change
  4. 10. the group that doesn’t receive the treatment
Down
  1. 1. the variable you observe or measure
  2. 2. the group that receives the treatment
  3. 3. an argument that uses CER
  4. 5. the variable that has to stay the same
  5. 7. a series of steps used when testing scientific questions
  6. 8. the study of the natural world