scientific processes

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Across
  1. 3. the variable that is measured in an experiment
  2. 4. the expected outcome of a test assuming the hypothesis is correct
  3. 5. relative measure of the hydrogen ion concentration within a solution
  4. 6. a planned procedure to test a hypothesis
  5. 8. an explanation that might be true- that can be tested by additional observations
  6. 9. the act in noting or perceiving objects or events using the senses
Down
  1. 1. a group that is an experiment that receives no experimental treatment
  2. 2. the control and the experimental groups are designed to be identical except for one factor or variable
  3. 7. a set of related hypotheses that have been tested and confirmed many times by many scientists