Science Review Sections 1 & 2 Chapter 3 Grade 6

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Across
  1. 3. yield harvest without reducing future supply
  2. 6. science study of natural processes
  3. 10. area with a large pop of ocean organisms
  4. 11. contains many valuable resources
  5. 13. cutting down all trees in forest at once
  6. 14. contamination of the Earth's land/water/air
  7. 15. resources always available/naturally replaced
Down
  1. 1. resources not replaced in a useful time
  2. 2. growth demand for resources grows
  3. 4. limits laws limiting or banning certain fish pop
  4. 5. raising fish and others for food
  5. 7. example of a renewable resource
  6. 8. resources anything in environment used by people
  7. 9. cutting cutting down only some trees in forest
  8. 12. example of a nonrenewable resource