I WONDER - How Does A Windmill Work?

The video discusses the history and application of wind energy. Wind turbines were first used to generate electricity in 1887 in Scotland, but the use of wind energy dates back over 5000 years. Windmills are a prime example of converting wind energy into mechanical energy, which was used to grind grains into flour.

When was the first wind turbine used to generate electricity?

• 1887

• 1800

• 1900

• 2000 BC

For how many years have people been converting wind energy into mechanical energy?

• 5000 years

• 2000 years

• 3000 years

• 1000 years

What is a historical example of using wind energy for mechanical purposes?

• Wind turbines

• Solar panels

• Windmills

• Hydroelectric dams

What happens when the wind pushes the wings of a windmill?

• It generates electricity

• It cools the air

• It moves the mill's workings

• It stops the windmill

What is the primary function of a windmill?

• To generate electricity

• To grind grains into flour

• To pump water

• To measure wind speed