Chapter 1 Vocabulary

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Across
  1. 2. the variable in an experiment that remains unchanged
  2. 4. investigation a fair test in which a control is identified, and variables are
  3. 5. a new product, process, or idea
  4. 7. a characteristic of a model that is useful or helpful
  5. 8. a prediction that can be tested
  6. 9. an observation made for the first time
Down
  1. 1. a condition in an experiment that can be changed
  2. 2. conditions that must be met
  3. 3. the boundary of a model
  4. 6. to test a hypothesis