Earth Science Unit 6 Lesson 1

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Across
  1. 4. Plant matter burned for heat or fuel
  2. 6. Giving up something in exchange for gain
  3. 7. Living things like plants, animals, and fish
  4. 10. _______ cutting: Harvesting method removing every tree in area
  5. 11. Rock containing high concentrations of desired minerals
  6. 12. Result naturally following actions of human choices
  7. 13. Fragments of rock created by weathering processes
  8. 14. Resources used to make objects or food
  9. 15. Rocks, minerals, and soil from Earth's crust
  10. 16. Resources used to generate power or heat
  11. 18. Result naturally following actions of human choices
  12. 20. ______-term: Effect lasting longer than a human lifetime
  13. 22. Giving up something in exchange for gain
  14. 23. ______-term: Effect lasting a human lifetime or less
Down
  1. 1. Water found in oceans, rivers, and lakes
  2. 2. Pumping groundwater from aquifers for human use
  3. 3. Water-covered areas filtering pollutants and protecting habitats
  4. 5. Provides the air that humans must breathe
  5. 8. Energy generated by harnessing moving river water
  6. 9. Process of dropping eroded material into valleys
  7. 17. Permeable underground rock body containing groundwater
  8. 19. Soil loss worsened by clearing natural vegetation
  9. 21. Resources used by humans for survival