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Learning objective

Understand that cells and batteries convert chemical energy into electrical energy.

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  • Practise with linked questions.
Cambridge IGCSE Combined ScienceElectricityCore content

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Quick explanation

Understand that cells and batteries convert chemical energy into electrical energy

  • This point belongs to Cells, batteries, generators and motors, especially Cells, batteries, generators and motors outcomes.
  • You need to be able to understand that cells and batteries convert chemical energy into electrical energy.
  • The key ideas to know are Define, Explain, and Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineExplainDescribe

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Paper 3 structured question: Cells, batteries, generators and motors

Paper 3Theory (Core)3 marks

Description

Energy Conversion in Batteries

Batteries convert stored chemical energy into electrical energy through electrochemical reactions. This process involves the movement of electrons, which generates an electric current.

  1. a

    Explain how batteries convert chemical energy into electrical energy.

    Aim for approximately 3 distinct marking points.

    [3]
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