VOCABULARY

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Across
  1. 4. unaffected
  2. 6. system measurement
  3. 7. variable tested
  4. 8. facts that can be used in calculating
  5. 9. assumed to have fixed
Down
  1. 1. graph data and lengths
  2. 2. variable changed
  3. 3. method facts through testing and experimentation
  4. 5. safety avoid warning signs