1. Standard 5 Objective 2 Study Notes

2. 1. Five major kinds of pollution include garbage, chemicals, high- powered wastes, and _______ and noise. gases Pg. 9

3. 2. Because conservation means using fewer _______ resources and reducing wastes, it helps prevent habitat destruction and reduce ________. pollution natural Pg. 11

4. 3. The process of recovering valuable or useful materials from waste or scrap is called ________. recycling Pg. 11

5. 4. People can reduce waste by using products that are _____________. biodegradable Pg. 11

6. 5. We can reduce our need for fossil fuels by developing ___________ energy sources. alternative Pg. 10

7. 6. Using garbage and waste to make electricity is an example of resource _________. recovery Pg. 11

8. 7. Developing alternative energy sources will reduce our need for _____ fuels. fossil Pg. 11

9. 8. Fresh water is an example of a __________ resource. renewable Pg. 11

10. 9. Burning ________ is an alternative to using fossil fuels. biomass

11. 10. One disadvantage associated with most alternative fuel sources is that they are __________ to implement. expensive Pg. 10

12. 11. The use of solar ________ systems is limited by the high cost of ___________. equipment energy Pg. 10

13. 12. The energy contained in fossil fuels originally came from the ___. sun Pg. 8

14. 13. Strip mining is used to mine shallow _____ deposits. coal Pg. 8

15. 14. Natural gas is an example of a ____________ resource. nonrenewable Pg. 8

16. 15. Volcanic eruptions are caused by __________ energy. geothermal

17. 16. Photochemical haze that forms when sunlight acts on industrial pollutants and burning fuels is called _______. smog Pg. 9

18. 17. The United States enjoys a high standard of living when compared to most other countries of the world because other countries have sent their _______ resources to the United States. natural Pg. 8

19. 18. Production of grains and ________ are keeping up with human population _______. growth cereals

20. 19. Development of alternative energy sources will affect Earth systems by _________ land and air _________. pollution reducing Pg. 10

21. 20. Building of a dam and reservoir will destroy the natural _________ of a river valley. ecosystem Pg. 10

22. 21. In order to protect the ___________ a mining company must prevent wastes from ________ water sources and the air. entering environment Pg. 9+12

23. 22. When a mining company wants to expand a mine near a town it must show how water and air quality be _________. protected Pg. 9+12

24. 23. Scientists have collected climate data and analyzed it to understand what is happening to Earth’s ________. climate Pg. 12

25. 24. When it comes time to vote an average citizen should decide how to vote on issues of air, water, soil or ecosystems by ________ scientifically-based information from reliable _______. sources reading Pg. 12

26. The End