William Kamkwamba's Windmill Journey

William Kamkwamba, a 19-year-old from Malawi, shares his journey of building a windmill to generate electricity for his home. Despite dropping out of school, he learned from a library book and innovated by adding an extra blade to the design. His windmill, made from a bicycle frame and other materials, produces 12 watts, powering four bulbs and two radios. William plans to build a larger windmill for irrigation and seeks support to continue his work in energy.

Where does William Kamkwamba live?

• Ghana

• Nigeria

• Malawi

• Kenya

What inspired William to build a windmill?

• A school project

• A book he read in the library

• A TV show

• A family tradition

How did William modify the windmill design from the book?

• He added an extra blade

• He used solar panels

• He used a different color

• He made it smaller

What materials did William use to build his windmill?

• Wood and metal

• Concrete and steel

• Plastic and glass

• Bicycle frame and plastic pipe

How much electricity did William's windmill generate?

• 20 watts

• 50 watts

• 12 watts

• 5 watts

What devices did William's windmill power in his home?

• Four bulbs and two radios

• A computer and a phone charger

• A TV and a fan

• A refrigerator and a heater

What is William's next goal for his windmill project?

• To build a solar panel

• To design a new type of battery

• To construct a windmill for transportation

• To create a windmill for irrigation

How much power does William hope the new windmill will generate?

• 25 watts

• 20 watts

• 15 watts

• 10 watts

What is William's long-term aspiration?

• To become a teacher

• To work in the energy sector

• To travel the world

• To write a book

What event was William speaking at during this interview?

• A community meeting

• A TED conference

• A school assembly

• A science fair