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Grade 8 science unit

Systems, Work, and Efficiency

Analyse system purposes, components, work, mechanical advantage, losses, and safe operation.

Visual model

See how the ideas connect

Look · connect · explain
Start at the centre. Follow each line and explain how that idea belongs to Systems, Work, and Efficiency.

Science unit

What you will learn

Your learning path

Systems, Work, and Efficiency lessons

Work through these lessons in order so each idea builds on the one before it.

  1. Trace Energy Through a Bicycle System

    Lesson

    Map components, forces, work, mechanical advantage, and energy losses in a bicycle.

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