science!!!

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Across
  1. 2. nervous system organ
  2. 5. when you can separate the two things
  3. 9. inherited and physical traits
  4. 11. energy being passed through
  5. 12. when the water goes back into the atmosphere
  6. 14. digestive system organ
  7. 15. not living things
Down
  1. 1. a lot of food chains
  2. 3. another word for precipitation
  3. 4. when a new substance is formed
  4. 6. decomposer
  5. 7. respiratory organ
  6. 8. skeletal system things
  7. 10. living things
  8. 13. producer