PETA in En Sci

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Across
  1. 1. kill living animals for food
  2. 3. ecological system
  3. 5. the substance plants use to make food
  4. 7. can't make their own food via sunlight
  5. 10. concluded that work can become heat and vice versa
  6. 11. example of isolated system
  7. 12. surrounds the system
  8. 15. everything outside the boundary
  9. 16. type of property that depends on the size of the system
  10. 21. energy created by heat
  11. 23. system that does NOT allow any transfer
  12. 24. feed on living organisms
  13. 27. capacity to do work
  14. 29. system that only allows energy transfer
  15. 30. everything within the boundary
Down
  1. 2. break down dead matter
  2. 4. the study of heat and temperature
  3. 6. energy that results from electric flow
  4. 8. make their own food from sunlight
  5. 9. ultimate energy source for ecosystems
  6. 13. feed on plant matter
  7. 14. does NOT involve heat
  8. 17. type of property that can exist at a point in space
  9. 18. coined the term 'thermodynamics'
  10. 19. energy that results from nuclear fission/fusion
  11. 20. feed on animal matter
  12. 22. transfer of energy from one place to another
  13. 25. system that allows transfer of energy and matter
  14. 26. errors/unrestrained events in a system
  15. 28. transfer of energy