Last updated

26 October 2026

This pack covers AQA specification 6.1.2.2 (including the Higher tier point on increasing efficiency): calculating efficiency with efficiency = useful output energy transfer / total input energy transfer and efficiency = useful power output / total power input, giving it as a decimal or a percentage, and (Higher tier) describing ways to increase the efficiency of an intended energy transfer.

The Topic Mastery Sheet gives both equations, explains why efficiency has no unit and can never be more than 1, and reads values from an original Sankey diagram drawn to scale. Three worked examples cover efficiency from energy, efficiency from power and finding a useful output, with a table of rearrangements. A real example from the UK government’s Digest of UK Energy Statistics 2026 shows the efficiency of coal power stations. The Higher tier section tabulates ways to increase efficiency and how each works. Two exam tips quote the AQA June 2025 examiners’ reports (Physics Paper 1F and Paper 1H). A key vocabulary table gives the exact AQA terms, six common errors are corrected, and the Grade 8-9 stretch section covers the efficiency of a chain of devices.

The Student Exam Practice Sheet (23 marks) has six questions. They progress from a tick-box item, through the efficiency of an LED lamp from a Sankey diagram as a decimal and a percentage, to the useful and wasted power of a winch and a comparison of two drills from a table. A Higher tier 4-mark question on improving a hot-water tank is marked by levels, and the sheet ends with a Grade 8-9 multi-step calculation of the input power of a motor. Questions are numbered and marked in AQA style (01.1, [3 marks], Tick (✓) one box). The answer key follows AQA mark-scheme conventions (allow, ignore, do not accept, dependent marks) and gives the AO and specification reference for every part; Higher tier and stretch items are clearly labelled.

Project the mastery sheet for a ready-made revision lesson, set the practice sheet as homework or a timed check, or use the pack for intervention and independent study. PDF and editable Word versions are both included. Written for AQA GCSE Combined Science: Trilogy (8464); content that appears only in AQA GCSE Physics (8463) is not included. All questions are original. This resource is not endorsed by or affiliated with AQA.

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TP1 Energy | AQA GCSE Combined Science Trilogy Physics | 7 Topic Mastery Pack Bundle

Every Topic Mastery Pack for **AQA GCSE Combined Science: Trilogy (8464) Physics, Topic 18: Energy** (specification section 6.1): 7 complete revision packs, each with a Topic Mastery Sheet, a Student Exam Practice Sheet and a full answer key. Higher tier content is clearly marked. Bought separately: £34.93. Bundle price: £24.50. PACKS INCLUDED - TP1a Energy Stores and Systems: What a system is, energy stores, the three ways a system is changed, all five common situations from the specification, changes on a common scale - TP1b Kinetic, Elastic and Gravitational Energy: Ek = ½ m v², Ee = ½ k e² and Ep = m g h with worked examples, the limit of proportionality, linking stores to find speeds and heights - TP1c Specific Heat Capacity: The AQA definition, ΔE = m c Δθ and rearranging it, Required practical 14 with method, variables and errors - TP1d Power: Power as a rate, P = E / t and P = W / t, 1 watt as 1 joule per second, comparing two motors, unit conversions - TP1e Energy Transfers and Dissipation: Conservation of energy and closed systems, dissipation, lubrication and thermal insulation, wall thickness and thermal conductivity - TP1f Efficiency: Efficiency from energy and from power, decimals and percentages, Sankey diagrams, ways to increase efficiency (Higher) - TP1g National and Global Energy Resources: The main resources, renewable or not, uses, reliability and environmental impact, real UK trends from DESNZ data EVERY PACK INCLUDES - Topic Mastery Sheet (PDF) quoting each AQA specification statement, with exam tips (most quote the AQA June 2025 examiners' reports), a key vocabulary table of exact AQA terms, common errors corrected and a Grade 8-9 stretch section - Student Exam Practice Sheet (PDF + editable Word) with 5 or 6 questions (21 to 26 marks) in AQA style: 01.1 numbering, [n marks] and Tick (✓) one box - Teacher answer key (PDF + editable Word) written to AQA mark-scheme conventions (allow, ignore, do not accept), with the AO and specification reference for every part and AQA's own level descriptors for extended answers - Original diagrams and graphs, with real, cited data where the topic needs it Written for AQA GCSE Combined Science: Trilogy (8464); content that appears only in AQA GCSE Physics (8463) is not included. All questions are original. This resource is not endorsed by or affiliated with AQA.

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TP1 Energy | AQA GCSE Combined Science Trilogy Physics | 7 Topic Mastery Pack Bundle

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