Designing Experiments

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Across
  1. 5. a scientific procedure used to test a hypothesis
  2. 7. a type of experiment where there are only a factors changed and the rest stay constant
  3. 8. this variable is the response that is measured
  4. 10. number of items tested in the experiment
  5. 11. a ______ years ago the scientific method was founded
  6. 12. the first step in the scientific method is to make an _____
Down
  1. 1. a list of steps outlining what to do for an experiment
  2. 2. a testable explanation
  3. 3. the _____ group does receive treatment
  4. 4. observations made during the experiment
  5. 6. a variable that the experimenter changes on purpose
  6. 9. a _____ group does not receive treatment