scientific method

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Across
  1. 2. something that you find out from experiments
  2. 4. something that needs to be solved
  3. 8. educated guess
  4. 10. testing an idea
Down
  1. 1. discovered gravity
  2. 3. discovered the law of levers and pullys
  3. 5. discovered laws of relativity
  4. 6. looking for information
  5. 7. a liquid we need to live
  6. 9. invented a theory of vision