scientific method

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Across
  1. 4. investigation of the factor that is deliberately manipulated
  2. 6. A investigation the factor that changes as results of manipulation of one or more
Down
  1. 1. procedure to study something under controlled
  2. 2. A system of ideas that explains many related observations and is supported by a large body of evidence
  3. 3. explanation that leads to scientific investigation explanation that leads to scientific investigation
  4. 5. Information gathered by observation or experimentation that can in used in calculating or reasoning