Scientific methods

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Across
  1. 4. Lack of evidence
  2. 5. Finish or Ending
  3. 7. Never changes
  4. 9. Changes of purpose
  5. 10. challenge
Down
  1. 1. Issue or Problem
  2. 2. Lookout or Note
  3. 3. Prophecy
  4. 6. principles of science
  5. 8. Research or Exploration