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Ch. 5 Energy Resourc

QuestionAnswer
1. Which nonrenewable resource causes the most air pollution? coal
2. Where or how is coal, oil, and natural gas used today? coal - power plants for electricity; oil - transportation; natural gas - electricity/heat
3. Where do fossil fuels come from? remains of ancient organisms
4. What is the difference between crude oil and oil? crude oil (unprocessed) must be refined to be made into oil/petroleum products
5. Which nonrenewable resource causes the least air pollution? natural gas
6. List the nonrenewable resources. coal, oil/petroleum, and natural gas
7. Why are people trying to use alternative energy resources? fossil fuels are going to run out before more can be made; lots of pollution
8. Which do people use more of today, renewable or nonrenewable resources? Why? nonrenewable, because a small amount creates lots of energy
9. Which renewable resource indirectly affects wind and hydro power? Explain. solar energy creates wind because of differences in temperature; solar energy keeps water in liquid state
10. Explain how fusion and fission make energy. fusion - atoms come together; fission - atoms split
11. What is the major advantage of fossil fuels? creates a lot of energy for low price
12. Drilling wells on the ocean floor removes which fossil fuels? oil
13. What is coal made from? ancient plant remains (peat)from swamps
14. What are natural gas and petroleum formed from? ancient microscopic sea organisms
15. Which fossil fuel is used the most in the U.S.? Which is the most abundant in the U.S.? oil is used the most; coal is the most abundant
16. What is a major disadvantage of natural gas? highly flammable
17. How does hydroelectricity create electricity for people falling water is dammed and harnessed
18. What does energy conservation mean? Taking care of resources even when they are not being used or using only when necessary.
19. Which renewable resource is the most widely used today? hydroelectricity
20. What will most future cars run on to save more energy? solar
21. Where does geothermal energy come from? heat from inside the earth
22. List the alternative resources. wind, solar, biomass, geothermal, hydroelectricity, fusion, fission
23. Why is plastic not a natural resource? it is man-made
24. Compare the rate of use and formation between renewable and nonrenewable resources. renewable - replaced at the same rate at which the resource is used; nonrenewable - forms at a rate that is much slower than the rate at which it is used
25. Why is there so much smog in downtown Atlanta than in rural areas? there are more vehicles that burn fuel in a smaller area and tall buildings trap in the polluted air
26. Where do fusion and fission occur? fusion - sun (we cannot use this); fission - power plants
27. What is the disadvantage of fission? if not careful, power plants can meltdown and release harmful radiation
28. How is the sun’s energy harnessed? solar cells (small) and panels (large) absorb the sun's energy
29. What is acid rain and how can people prevent it? rain, sleet, or snow that has a lot of air pollutants; decrease burning fossil fuels
30. In Iceland, heat from the Earth’s surface is used to make energy. What is this called? geothermal
31. List 3 examples of organic matter used to create biomass. wood, manure, plants can be burned
32. List some examples of recyclable material. plastic, glass, paper, aluminum
33. What is the disadvantage of solar energy? not all places receive the same amount of sun's energy
34. What is a major disadvantage of wind energy? not consistently windy in all places
35. What is a problem of building dams for hydroelectric energy? erosion, bad for wildlife, water pollution
Created by: youngahrhee
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