Welcome to the Science Quiz 27

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

How many blades does a modern wind turbine have?

There is no standard number of blades

Correct! Wrong!

What causes wind?

Rotation of earth

Variations in the earth’s surface

The sun heating the atmosphere

All of the above

Correct! Wrong!

What is the earliest recorded use for windmill?

Generating electricity

Pumping water

Grinding grain

None of these

Correct! Wrong!

Roughly how tall are most utility-scale wind turbine towers in the U.S.?

65 meters (213 feet)

82 meters (269 feet)

114 meters (374 feet)

140 meters (460 feet)

Correct! Wrong!

Which nation leads the world in installed wind energy capacity?

Germany

United states

China

Netherlands

Correct! Wrong!

Who invented the first electricity-generating wind turbine?

French engineer Georges J. M. Darrieus

Scottish engineer James Blyth

American inventor Benjamin Franklin

American inventor Charles F. Brush

Correct! Wrong!

Which of these is NOT a part of a modern wind turbine?

Compressor

Gear box

Nacelle

Yaw drive

Correct! Wrong!

How many different components does it take to build a utility scale wind turbine?

More than 800

More than 80

More than 8000

More than 80,000

Correct! Wrong!

Science Quiz 27

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Welcome to the Science Quiz 27

How many blades does a modern wind turbine have?

What causes wind?

What is the earliest recorded use for windmill?

Roughly how tall are most utility-scale wind turbine towers in the U.S.?

Which nation leads the world in installed wind energy capacity?

Who invented the first electricity-generating wind turbine?

Which of these is NOT a part of a modern wind turbine?

How many different components does it take to build a utility scale wind turbine?

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