Scientific method Puzzle !

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Across
  1. 1. the research based on numbers
  2. 4. the variable that changes
  3. 5. studying the topic
  4. 7. something you notice
  5. 9. trying to solve
Down
  1. 1. the research based on words
  2. 2. the variable that changes based off the independent variable
  3. 3. summarize
  4. 6. educated guess
  5. 8. the variable that does not change