REEEEEESSSSSSEEEEESSS PUUUUUUUFFFFFS science words

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Across
  1. 2. an expert at chemistry
  2. 4. relating of or consisting of living cells
  3. 6. makes everything
  4. 7. what determines the physical characteristics of a person
  5. 9. he is very smart
  6. 10. its found in all atoms
Down
  1. 1. he discovered gravity
  2. 3. you need this to breath
  3. 5. made from dinosaur bones
  4. 8. you need this to run