TEST REVIEW Renewable Energy Sources

ROUND 1

1. Renewable energy sources are so named because… A. Do not pollute the environment B. Are constantly re-produced by nature C. Protect the ozone layer D. Can be easily transmitted over long distances

2. The most commonly used renewable worldwide is: A. Solar B. Wind C. Geothermal D. Hydroelectric

3. I am the only form of energy not derived from the sun A. biomass energy B. wind energy C. hydroelectric energy D. geothermal energy

4. I have a very low net energy yield A. hydrogen fuel cells B. solar C. wind D. geothermal

5. Which will not reduce your energy consumption? A. turn down the thermostat on your water heater B. turn your computer off at night C. Turn your air conditioner down (set at 68 instead of 70) D. Ride a bike instead of driving

6. I have the highest net energy yield A. passive solar B. active solar C. solar thermal systems D. photovoltaic cells

7. All of the following spin turbines directly, except: A. Hydroelectric B. biomass C. wind D. geothermal

8. Geothermal gets its energy from: A.The sun B.Trees and shrubs C.The core of the Earth D.The Earth’s crust

9. Solar power towers involve: A. mirrors which focus sun to boil water B. silicon wafers that produce a flow of electrons C. having many, south-facing windows that are well-insulated D. using earth-tubes

Round 2

1. Which of the following does not have geographical restrictions A. geothermal B. wind C. hydroelectric D. biomass

2. What 2 energy sources could be considered nonrenewable? A. solar B. geothermal C. wind D. biomass

3. What pair shows the highest and lowest net energy yields? A. Passive solar …. Hydrogen fuel cells B. Hydroelectric …. Tidal C. Active solar …. Photovoltaic Cells D. Geothermal …. Biomass

4. Which of the following functions by converting sunlight into hot water? A. passive solar heating B. Photovoltaic cells C. active solar heating D. geothermal energy

5. Which is an accurate example of passive solar energy? A. Having several windows on the South side of your house B. Planting evergreen trees all around your house C. Having several North-facing windows D. Having thin insulation for good air exchange

6. Biomass is used to produce A. electricity B. some fuels C. heat D. all of the above E. None of the above

7. What is NOT a result of the use of biomass? A. Air pollution, especially CO2 B. Water pollution due to fertilizers C. Potential global food shortages D. Increased use of petroleum

8. Gasohol is produced by… A. fermenting sugars B. burning wood C. digesting sewage D. capturing steam

9. Geothermal energy cannot be used to: A. run a car B. heat a home C. heat water D. power a business

Round 3

1. Which of the following is NOT produced by wind… A. electricity B. Air pollution C. noise pollution D. areas for farm animals to graze

2. What will prevent wind from becoming our #1 source of energy? A. wind contains very little energy B. The technology to change wind to electricity is too difficult to understand C. winds in most areas are not strong or consistent enough D. windmills are ugly

3. Which fuel holds the most promise for our immediate transportation needs? A. solar B. biofuel C. biogas D. hydrogen fuel cells

4. Tidal power is best located… A. far out in the ocean B. on the beach C. in an inlet or cove of the coast D. in a river

5. Which of the following is a disadvantage of hydroelectric dams A. high air pollution production B. low net energy yield C. short lifespan D. high construction costs

6. Which of the following is NOT a disadvantage of hydroelectricity? A. reservoirs created by dams submerge surrounding areas B. fish migration is interfered with C. the reservoir created by the dam is warmer than usual D. creates a large amount of pollution

7. A major drawback of hydrogen fuel cells is: A. its waste products B. the ability to produce free hydrogen atoms C. the ability to replace gasoline D. its reliance on natural gas

8. The least cost-effective form of energy is: A. solar B. wind C. tidal D. biomass

BONUS Round

1. Why isn’t geothermal energy used everywhere on earth? A. technology is too basic to use geothermal energy B. it is only available in countries near the north or south poles C. it has long-term waste storage problems D. it is not available everywhere.

2. The U.S. leads the world in this source of energy A. biomass B. wind C. geothermal D. solar