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Exam-style practice

Cells, batteries, generators and motors answer explanations

Review worked answers and explanations for Cells, batteries, generators and motors. Aligned to Cambridge IGCSE Combined Science.

Answer explanations

Question 1 of 6

Review the answer support, then move sideways through the set.

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.

    [3]