all_hopeisgone
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1. Which of the following is an example of a renewable energy source?
oil
hydropower
natural gas used to fuel a vehicle
2. An instrument used to measure wind speed is called
an anemometer
a generator
a wind turbine
3. Which statement is true about the use of hydropower in the United States?
We do not use hydropower in the United States because of easy access to fossil fuels.
We have tapped about all of the potential we have for hydropower because of limited access to rivers.
Most of our electricity comes from hydropower.
4. Solar energy can be used to
heat homes
provide electricity
both of the above
5. On a wind turbine, the ______ is used to shut down the blades if wind speed gets too high.
anemometer
yaw drive
controller
6. Which part of a wind turbine keeps the generator facing the wind direction?
turbine
yaw drive
anemometer
7. Relying on windows and building materials to capture incoming solar radiation WITHOUT distributing that energy is called
photoelectric heating
passive solar heating
active solar heating
8. The biggest drawback to using hydrogen fuel is that hydrogen does not naturally exist in its elemental form, and must be extracted from something else.
True
False
9. Wind power is most practical when wind speeds are over 55 mph.
True
False
10. Which of the following is a disadvantage of wind power?
low energy efficiency
increased air pollution
backup systems may be needed for times of low winds
oil
hydropower
natural gas used to fuel a vehicle
2. An instrument used to measure wind speed is called
an anemometer
a generator
a wind turbine
3. Which statement is true about the use of hydropower in the United States?
We do not use hydropower in the United States because of easy access to fossil fuels.
We have tapped about all of the potential we have for hydropower because of limited access to rivers.
Most of our electricity comes from hydropower.
4. Solar energy can be used to
heat homes
provide electricity
both of the above
5. On a wind turbine, the ______ is used to shut down the blades if wind speed gets too high.
anemometer
yaw drive
controller
6. Which part of a wind turbine keeps the generator facing the wind direction?
turbine
yaw drive
anemometer
7. Relying on windows and building materials to capture incoming solar radiation WITHOUT distributing that energy is called
photoelectric heating
passive solar heating
active solar heating
8. The biggest drawback to using hydrogen fuel is that hydrogen does not naturally exist in its elemental form, and must be extracted from something else.
True
False
9. Wind power is most practical when wind speeds are over 55 mph.
True
False
10. Which of the following is a disadvantage of wind power?
low energy efficiency
increased air pollution
backup systems may be needed for times of low winds