Mechanisms: Wheels and axles

Children learn about the main components of a wheeled vehicle; experiment with mechanisms to help them develop their understanding of how wheels, axels and axel holders work; assume the role of a mechanic to problem-solve why wheels won't rotate; demonstrate learning by designing and building their own moving vehicles.

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Lesson 1: How do wheels move?

After investigating how wheels move on a variety of different objects, pupils create a simple version of a wheel mechanism, including an axle, wheel and axle holder

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Lesson 2: Fixing broken wheels

Children see examples of wheels that do not work and use their problem-solving skills to diagnose the issue.

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Lesson 3: Designing a vehicle

Children learn the different components of a vehicle with moving wheels and design a moving vehicle of their own.

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Lesson 4: Wacky races

Using their designs, children build and then test their vehicles.

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