Chapter 15 The Boy Who Harnessed the Wind

Who is the protagonist in "The Boy Who Harnessed the Wind?"

• Gilbert

• Chief Wimbe

• William Kamkwamba

• Geoffrey

What is the primary scientific principle demonstrated by the story of 'The Boy Who Harnessed the Wind'?

• Electromagnetism

• Photosynthesis

• Wind energy conversion

• Nuclear fusion

Which component is essential for converting wind energy into electrical energy in a windmill?

• Solar panel

• Turbine blades

• Battery

• Transformer

What type of energy transformation occurs in a wind turbine?

• Chemical to electrical

• Mechanical to electrical

• Thermal to mechanical

• Nuclear to thermal

In the context of wind energy, what does the term 'aerodynamics' refer to?

• The study of water flow

• The study of air flow around objects

• The study of sound waves

• The study of electrical circuits

Which scientific law explains the lift force on the blades of a wind turbine?

• Newton's First Law

• Bernoulli's Principle

• Ohm's Law

• Law of Conservation of Energy

What is the role of a generator in a wind turbine?

• To store energy

• To convert mechanical energy into electrical energy

• To increase wind speed

• To measure wind direction

Tags

NGSS.MS-PS3-5

How does wind speed affect the energy output of a wind turbine?

• Energy output decreases with higher wind speed

• Energy output is unaffected by wind speed

• Energy output increases with higher wind speed

• Energy output is maximum at low wind speed

What is the main environmental benefit of using wind energy?

• It produces greenhouse gases

• It is a renewable energy source

• It requires deforestation

• It consumes a lot of water

Tags

NGSS.MS-ETS1-2

Which of the following is a challenge associated with wind energy?

• It is non-renewable

• It produces a lot of waste

• It is dependent on weather conditions

• It emits carbon dioxide

Tags

NGSS.MS-ESS2-6