How Do Scientists Find Answer

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Across
  1. 5. A ___________ model is made on a computer.
  2. 6. __________ variable can be changed during the experiment.
  3. 7. __________ method is a process of steps scientist use to study the natural world
Down
  1. 1. An answer a scientist thinks might answer his question.
  2. 2. A ________dimensional model has width and height.
  3. 3. A _______ dimensional model has width, height and depth.
  4. 4. _________ variable is observed and measured during the experiment.