Scientific method

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Across
  1. 4. - the test
  2. 6. to examine
  3. 8. - prediction
  4. 9. - changes
  5. 10. - never changes
Down
  1. 1. - the end
  2. 2. - the research
  3. 3. - responds
  4. 5. - the issue
  5. 7. - request information