Josh Dahlhoff science crossword

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Across
  1. 3. the study of genes and how trates are passed
  2. 4. the fourth planet from the sun
  3. 6. the amount of matter in a substance
  4. 8. the third planet from the sun
  5. 10. the fifth planet from the sun
  6. 12. an atom that has a neutral charge
  7. 13. the seventh planet from the sun
  8. 14. an atom that is negatively charged
Down
  1. 1. a package of DNA
  2. 2. the eighth planet from the sun
  3. 5. the sixth planet from the sun
  4. 6. the first planet from the sun
  5. 7. an atom that is positively charged
  6. 9. the second planet from the sun
  7. 11. the amount of space an object occupies