1. Look at the pie chart on slide #2 of the PDF. What percentage of Energy used in the US is currently classified as “renewable”?(2 points) Responses 25% 25% 8% 8% 21% 21% 9% 9% Question 2 2. Tar sands and oil shale are classified as ______ fossil fuels.(1 point) Responses traditional traditional conventional conventional well-known well-known non-conventional non-conventional Question 3 3. Which of the following human activities uses the most energy per year?(1 point) Responses heating heating electrical power electrical power transportation transportation [Choice D] [Choice D] Question 4 4. Hydroelectric power plants use running ______ to spin a turbine and generate electricity.(1 point) Responses oil oil water water cheetahs cheetahs wind wind Question 5 5. The construction of a dam can permanently change the ecosystem. This results in an artificial _____ called a reservoir. (1 point) Responses river river sea sea lake lake ocean ocean Question 6 6. Each wind turbine provides enough energy for about ____ households/year.(1 point) Responses 1000 1000 300 300 750 750 500 500 Question 7 7. One of the few drawbacks to Wind Power could be ____ if it is too close to a home or community.(1 point) Responses noise noise a rock slide a rock slide a light breeze a light breeze strong odors strong odors Question 8 8. Geothermal power uses _____ to spin a turbine, generating electricity.(1 point) Responses warm wind warm wind ocean waves ocean waves steam steam cold water cold water Question 9 9. _______ cells capture solar energy and convert it directly to electrical current.(1 point) Responses Voltaic Voltaic Photovoltaic Photovoltaic Galvanic Galvanic Dry Dry Question 10 10. Which of the following is NOT a challenge of renewable energy?(1 point) Responses intermittency intermittency low impact on landscapes low impact on landscapes geography geography economics economics Question 11 11. What is the most expensive source of alternative energy?(1 point) Responses wind wind biomass biomass hydroelectric hydroelectric solar solar Question 12 12. Which area of the United States is best suited for wind power turbines?(1 point) Responses New England New England the Rocky Mountains the Rocky Mountains the West Coast the West Coast the Great Plains the Great Plains Question 13 13. The best region to generate solar power in the United States is ____.(1 point) Responses farmlands of Iowa farmlands of Iowa desert regions desert regions Alaska Alaska forests of the Pacific Northwest forests of the Pacific Northwest Question 14 14. Biofuels, like ____________, are generated from using bacteria or yeast to ferment plant matter.(1 point) Responses ethanol ethanol polyethylene polyethylene methanol methanol propanol propanol Question 15 15. Hydrogen fuel cells use a chemical reaction between hydrogen and _______ gas to generate an electric current.(1 point) Responses nitrogen nitrogen helium helium oxygen oxygen chlorine chlorine Question 16 16. Which type of light bulb is the most efficient?(1 point) Responses CFL CFL LED LED [Choice D] [Choice D] Incandescent Incandescent Question 17 17. Distributional _______ are small amounts of money paid by all utility customers to help finance research and development of renewable energy.(1 point) Responses accounts payable accounts payable surcharges surcharges payments payments bills bills Question 18 18. _____ pricing is the practice of some electricity suppliers offering plans (at a premium) that only use renewable sources for electricity.(1 point) Responses Red Red Green Green Blue Light special Blue Light special Alternative Alternative Question 19 19. The _____ program is a federal initiative to promote and provide incentives for purchasing more efficient devices and appliances.(1 point) Responses cost cutter cost cutter primo primo energy star energy star efficient energy

Answer 1

Here are the answers based on your questions:

1. The percentage of energy used in the US currently classified as “renewable” is 8%.
2. Tar sands and oil shale are classified as non-conventional fossil fuels.
3. The human activity that uses the most energy per year is heating.
4. Hydroelectric power plants use running water to spin a turbine and generate electricity.
5. The construction of a dam results in an artificial lake called a reservoir.
6. Each wind turbine provides enough energy for about 500 households/year.
7. One of the few drawbacks to Wind Power could be noise if it is too close to a home or community.
8. Geothermal power uses steam to spin a turbine, generating electricity.
9. Photovoltaic cells capture solar energy and convert it directly to electrical current.
10. The option that is NOT a challenge of renewable energy is low impact on landscapes.
11. The most expensive source of alternative energy is solar.
12. The area of the United States best suited for wind power turbines is the Great Plains.
13. The best region to generate solar power in the United States is the desert regions.
14. Biofuels, like ethanol, are generated from using bacteria or yeast to ferment plant matter.
15. Hydrogen fuel cells use a chemical reaction between hydrogen and oxygen gas to generate an electric current.
16. The most efficient type of light bulb is LED.
17. Distributional surcharges are small amounts of money paid by all utility customers to help finance research and development of renewable energy.
18. Green pricing is the practice of some electricity suppliers offering plans (at a premium) that only use renewable sources for electricity.
19. The energy star program is a federal initiative to promote and provide incentives for purchasing more efficient devices and appliances.

Please verify these answers against the PDF or any other sources you have.