A complete, ready-to-teach KS3 physics lesson on energy stores, transfers and efficiency. One full lesson, free to download.

What’s included:

• 13-slide editable PowerPoint (about 55 minutes) with teacher notes on every slide
• Bronze, Silver and Gold challenges, each with answers
• Original diagrams: energy stores, the four transfer pathways, an energy chain, a to-scale Sankey diagram and the efficiency equation
• Myth-busters slide, hinge question and a step-by-step worked efficiency example
• Printable worksheet (12 tiered questions), homework task and full answer keys (PDF)

Covers: energy stores, conservation of energy, mechanical and electrical work, heating, radiation, useful and wasted energy, dissipation, Sankey diagrams and calculating efficiency.

Fact-checked, written in UK English and designed to print cleanly.

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