Energy Stores,Transfers and conservation
Energy is not used up or destroyed: it is transferred between stores. Some transfers spread energy into the surroundings, often into thermal stores, making them less useful. This lesson connects those ideas to calculations, an investigation
What this is
Energy Stores, Transfers and Conservation
Description
Explore how energy is stored and transferred in physical systems. Build confidence with the kinetic, gravitational potential and elastic potential energy equations, investigate specific heat capacity, and apply conservation and efficiency ideas to AQA-style questions.
Summary
Energy is not used up or destroyed: it is transferred between stores. Some transfers spread energy into the surroundings, often into thermal stores, making them less useful. This lesson connects those ideas to calculations, an investigation of specific heat capacity and exam-style questions about dissipation and efficiency.
Lesson breakdown
Lesson opener — Introduce energy stores, transfers and conservation.
Starter classification — Sort examples into energy stores and transfer pathways.
Stores and pathways — Distinguish where energy is stored from how it is transferred.
Conservation — Explain that the total energy of a closed system remains constant.
Kinetic energy — Introduce the equation and identify the quantities needed.
Kinetic energy calculations — Practise substituting values and using correct units.
Gravitational potential energy — Introduce the equation and apply it to lifting objects.
Listening check — Reinforce key ideas about energy transfers and stores.
Elastic potential energy — Explore energy stored when an object is stretched or compressed.
Try it — Independently apply an energy equation to a problem.
Multiple-choice check — Review understanding of energy concepts.
Vocabulary matching — Consolidate important terms and definitions.
Fill in the blanks — Apply ideas about dissipation, thermal energy and efficiency.
Exam-style quiz and peer assessment — Practise explaining energy dissipation and system efficiency, then assess answers against AQA mark-scheme expectations.
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