Scientific Method

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Across
  1. 2. a group that receives a treatment in an experiment.
  2. 4. the variable that is being measured or tested in an experiment.
  3. 5. a group separated from the rest of the experiment
  4. 6. a system of measurement that uses the meter, liter, and gram as base units
Down
  1. 1. the variable the experimenter manipulates or changes
  2. 3. a process of ensuring that new research is original and uses valid science.