Crossword

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Across
  1. 6. variable relies on the scientist changes
  2. 7. Any idea that can be tested with studying and experimenting
  3. 9. variable Never changes
  4. 10. validates or disproves your hypothesis
Down
  1. 1. Can be changed or measured
  2. 2. action of observing someone or something
  3. 3. To try something in order to discover what it is like
  4. 4. Keep things same
  5. 5. Changes things to demonstrate cause and effect
  6. 8. variable Changes on purpose