How is it produced?
Where and why?
Advantages
Interesting facts
100
What creates the mechanical energy in the wind turbine?
The wind pushes the blade
100
Will there usually be more wind in higher or lower elevation?
Higher elevation
100
How much does it cost to harness wind power after the wind turbine has been set up?
wind is free!
100
Out of the 10,000 deaths birds face due to man-made objects, how many are due to wind turbines? a) 100 b) 3 c) 5,000 d) 8,000
b) 3
200
What are the blades directly attached to?
the hub
200
What parts of the United States are ideal for harnessing wind power?
the central, west central, and coastlines
200
What type of pollution do wind farms give off?
it does not cause green house gases or other pollutants
200
How many homes a year are being powered by wind power? a) 100,000 homes b) 1 million c) 6 million d) none
c) 6 million
300
How is the mechanical energy converted to electrical energy?
The high-speed shaft is connected to an electrical generator that converts the mechanical energy from the rotation of the blades into electric energy
300
Name two out of the three places named for being the top producers of wind energy.
China, United States, Germany
300
What type of setting are wind farms most efficient?
an agricultural setting
300
How often do wind turbines produce power? a) 15% of the time b) 100% of the time c) 25-35% of the time d) 70-85% of the time
d) 70-85% of the time
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