The Boy Who Harnessed the Wind

Which group of words best describes how Dr. Mchazime feels about William and the windmills? (pgs. 244-246

• impressed, concerned, upset, struck

• unimpressed, sympathetic, inspired, hooked,

• impressed, influenced, fascinated, interested

• unimpressed, indifferent, zealous, aware

What happened after William moved the windmill away from the mango tree? (pgs. 249-250)

• the speed of the blades and the voltage doubled

• the speed of the blades and the voltage decreased

• the speed of the blades decreased and the voltage increased

• The windmill stopped working

Tags

NGSS.MS-PS3-5

What is the primary scientific principle behind the functioning of a windmill as described in 'The Boy Who Harnessed the Wind'?

• Aerodynamics

• Electromagnetism

• Thermodynamics

• Hydrodynamics

Tags

NGSS.MS-PS3-5

Which material did William Kamkwamba primarily use to construct the blades of his windmill?

• Wood

• Metal

• Plastic

• Fiberglass

What type of energy conversion takes place in a windmill?

• Kinetic to electrical

• Thermal to mechanical

• Chemical to thermal

• Potential to kinetic

In 'The Boy Who Harnessed the Wind', what was the main purpose of building the windmill?

• To generate electricity

• To pump water

• To grind grain

• To power vehicles

Which scientific concept explains why the windmill blades turn when the wind blows?

• Newton's Third Law of Motion

• Bernoulli's Principle

• Archimedes' Principle

• Pascal's Law

What was the main challenge William faced when constructing the windmill?

• Lack of materials

• Lack of knowledge

• Lack of support

• Lack of tools

How does the windmill in 'The Boy Who Harnessed the Wind' help in sustainable development?

• By reducing reliance on fossil fuels

• By increasing agricultural output

• By promoting deforestation

• By increasing water consumption

What scientific tool did William use to measure the voltage produced by his windmill?

• Voltmeter

• Ammeter

• Thermometer

• Barometer