Scientific method

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