Scientific Method Crossword

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Across
  1. 1. a proposition based on starting evidence
  2. 5. to forecast
  3. 9. relies on changes
  4. 10. watching something carefully to obtain information
Down
  1. 2. set of procedures to gain knowledge about the world
  2. 3. conducted multiple times, demonstrates cause and effect
  3. 4. validates or rejects hypothesis
  4. 6. one per experiment
  5. 7. facts and information gathered by an experiment
  6. 8. stays the same in an experiment