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Knex Wheels And Axles

  code:KL228
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Investigate friction, forces and movement with an inclined plane and discover how wheels do the work with this fully supported set. Activities include: Testing models and identifying whether the wheel turns the axle or the axle turns the wheel. Identifying key parts of wheel and axle system. Discussing whether wheel & axle system increases applied force or distance travelled. Discussing how the size of the wheel and axle affects the work performed. Identifying appropriate places where wheels & axles are used. Identifying and differentiating inclined plane, wedge, and screw and test them to determine how they operate. Comparing and contrasting how these different machines function and determine why they are categorised together. Identifying how inclined planes, screws and wedges make work easier.A Teacher's guide on CD with key concepts, terms, definitions, learning objectives and lesson plans are included.

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