Understanding Wind Turbines

What is the main topic of the TED-Ed lesson by Rebecca J. Barthelmie and Sara C. Pryor?

• The cost of wind energy

• How wind turbines work

• The history of wind energy

• Famous wind turbine inventors

How much more electricity can wind generate compared to what humanity uses each day?

• 35 times more

• 50 times more

• 100 times more

• 10 times more

What type of energy do wind turbines harness?

• Thermal energy

• Kinetic energy

• Chemical energy

• Nuclear energy

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Which resource is mentioned as being renewed each day?

• Natural gas

• Oil

• Coal

• Wind

What is the main benefit of wind energy mentioned in the lesson?

• It is difficult to harness

• It is non-renewable

• It is renewable

• It is expensive

What is the purpose of the TED-Ed lesson on wind turbines?

• To explore the history of wind turbines

• To explain the science of wind turbine technology

• To discuss the disadvantages of wind energy

• To compare wind energy with solar energy

What is the main question posed in the TED-Ed lesson?

• Can we create a world powered entirely by wind?

• How much does wind energy cost?

• What are the disadvantages of wind energy?

• Who invented the wind turbine?

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What is the main theme of the TED-Ed lesson?

• The environmental impact of wind turbines

• The science behind wind turbines

• The cost-effectiveness of wind energy

• The history of wind energy

What is the main advantage of wind energy over coal or oil?

• It is more efficient

• It is totally renewed each day

• It is easier to transport

• It is cheaper

Match the following energy sources with their descriptions.

• Energy generated by moving air

• Wind

• Energy harnessed from the sun

• Coal

• Solid fossil fuel used for electricity

• Solar

• Fossil fuel used for energy

• Oil