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WorksheetsHarnessing the Wind
Total questions: 25
Worksheet time: 20mins
What causes the production of wind?
rotation of the Earth
variations in the Earth's atmosphere
the Sun heating the atmosphere
all of the above
How many blades does a modern wind turbine have?
2
3
4
There is no standard number of blades
Which nation leads the world in installed wind energy?
The Netherlands
United States
China
Germany
What wind speed is said to be necessary to make large wind energy systems economically viable?
6 m/s (13 mph)
3 m/s (12 mph)
9 m/s (20 mph)
12 m/s (27 mph)
As blade ______ increases the potential power output of the wind turbine increases.
Width
length
Span
Aerodynamic shape that provides high lift and low drag like an airplane wing
airfoil
wind blade
fan blade
teardrop
18% of the worlds population uses 56% of the worlds energy supply
True
False
This is a...
vane.
gear.
anemometer.
brake.
Wind is what type of energy?
Renewable
Non-Renewable
How do wind turbines affect the environment.
Can harm birds and other wildlife
Cuts the clouds which affects the water cycle.
Hits trees around them
They are perfect for the environment.
what does a wind turbine look like
How can wind become energy?
When a wind turbines changes the kinetic energy in wind to electric energy.
When a windmill goes fast enough
It just naturally is
The sun heats it so it becomes solar energy
How can you measure how fast the wind is blowing?
Lick your finger and stick it in the air
Anemometer
You aren't able to, it's a hoax
Wind Gauge
How high is the world's highest turbine?
about 1800 m
about 2300 m
about 2600 m
What is the best definition of a generator?
A device that measures wind speed.
A device that converts mechanical motion into electricity.
A device that conducts electrical current through a wire
A device that spins when exposed to wind.
What is an advantage of wind turbines?
It's cheap to build.
It doesn't create noise pollution.
It doesn't cause harm to wildlife (aka birds).
It's renewable energy.
What is the ideal location for building wind turbines? (Choose more than one)!
Plains
Hills
Offshore
Cities
Why is WIND ENERGY considered a renewable energy source?
It can be used up.
It's related to the weather.
It will not run out anytime soon.
It can be used to generate electricity.
Electric current is the flow of ______________________
electrons
protons
neutrons
both protons and neutrons
