Scientific method

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Across
  1. 2. a model is a pattern, plan
  2. 4. system of ideas
  3. 5. a descriptive statement or equation
  4. 7. the process of obtaining information
  5. 8. the factor that changes
Down
  1. 1. deliberatel adjusted
  2. 3. a testable idea or explanation
  3. 6. information gathered by observation