science

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Across
  1. 3. o periodic table of elements
  2. 5. is a big explosion
  3. 7. an educated guess
  4. 10. is affected by the pull of gravity on a object
  5. 11. is the amount of material that is in a object
  6. 12. stars are born from clouds of gas and dust
  7. 14. h periodic table of elements
Down
  1. 1. look at your collected data
  2. 2. is something that can not be measured directly
  3. 4. c periodic table of elements
  4. 6. is a 3d measurement of how much space an object occupies
  5. 8. you test your hypothesis
  6. 9. workplace hazardous materials information system
  7. 13. Na periodic table of elements