TEST REVIEW

Renewable Energy Sources

ROUND 1

1. Renewable energy sources are so named because…

A. Do not pollute the environmentB. Are constantly re-produced by natureC. Protect the ozone layerD. Can be easily transmitted over long distances

2. The most commonly used renewable worldwide is:

A. SolarB. WindC. GeothermalD. Hydroelectric

3. I am the only form of energy not derived from the sun

A. biomass energyB. wind energyC. hydroelectric energyD. geothermal energy

4. I have a very low net energy yield

A. hydrogen fuel cellsB. solarC. windD. geothermal

5. Which will not reduce your energy consumption?

A. turn down the thermostat on your water heater

B. turn your computer off at nightC. 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 solarB. active solarC. solar thermal systemsD. photovoltaic cells

7. All of the following spin turbines directly, except:

A. Hydroelectric B. biomassC. windD. geothermal

8. Geothermal gets its energy from:

A. The sunB. Trees and shrubsC. The core of the EarthD. The Earth’s crust

9. Solar power towers involve:

A. mirrors which focus sun to boil waterB. silicon wafers that produce a flow of electronsC. having many, south-facing windows that are

well-insulatedD. using earth-tubes

Round 2

1. Which of the following does not have geographical restrictions

A. geothermalB. windC. hydroelectricD. biomass

2. What 2 energy sources could be considered nonrenewable?

A. solarB. geothermalC. windD. biomass

3. What pair shows the highest and lowest net energy yields?

A. Passive solar …. Hydrogen fuel cellsB. Hydroelectric …. TidalC. Active solar …. Photovoltaic CellsD. Geothermal …. Biomass

4. Which of the following functions by converting sunlight into hot water?

A. passive solar heatingB. Photovoltaic cellsC. active solar heatingD. 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 windowsD. Having thin insulation for good air exchange

6. Biomass is used to produce

A. electricityB. some fuelsC. heatD. all of the aboveE. None of the above

7. What is NOT a result of the use of biomass?

A. Air pollution, especially CO2B. Water pollution due to fertilizersC. Potential global food shortagesD. Increased use of petroleum

8. Gasohol is produced by…

A. fermenting sugarsB. burning woodC. digesting sewageD. capturing steam

9. Geothermal energy cannot be used to:

A. run a carB. heat a homeC. heat waterD. power a business

Round 3

1. Which of the following is NOT produced by wind…

A. electricityB. Air pollutionC. noise pollutionD. areas for farm animals to graze

2. What will prevent wind from becoming our #1 source of energy?

A. wind contains very little energyB. The technology to change wind to electricity

is too difficult to understandC. winds in most areas are not strong or

consistent enoughD. windmills are ugly

3. Which fuel holds the most promise for our immediate transportation needs?

A. solarB. biofuelC. biogasD. hydrogen fuel cells

4. Tidal power is best located…

A. far out in the oceanB. on the beachC. in an inlet or cove of the coastD. in a river

5. Which of the following is a disadvantage of hydroelectric dams

A. high air pollution productionB. low net energy yieldC. short lifespanD. 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 withC. the reservoir created by the dam is warmer

than usualD. creates a large amount of pollution

7. A major drawback of hydrogen fuel cells is:

A. its waste productsB. the ability to produce free hydrogen atomsC. the ability to replace gasolineD. its reliance on natural gas

8. The least cost-effective form of energy is:

A. solarB. windC. tidalD. 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 problemsD. it is not available everywhere.

2. The U.S. leads the world in this source of energy

A. biomassB. windC. geothermalD. solar