AQA (KS4)

KS3 & KS4 science curriculum

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Science
Year 9

Magnets and electromagnets

5 lessons

Threads

  • BQ13 Physics: How do electricity and magnetism work?

Description

This unit explores magnetism, including magnetic poles, fields, and Earth’s magnetism, along with the principles of electromagnets and DC motors. It focuses on conducting precise scientific enquiries and identifying variables and emphasises accuracy, repeatability, and reproducibility.

This unit builds on pupils’ prior learning from Series circuits, where they explored electrical components and how current flows in a simple loop. It deepens their understanding by examining the properties of magnets and electromagnets, focusing on magnetic fields and the interaction between electricity and magnetism. This prepares pupils for the next unit, Electromagnetism, where they will apply their knowledge to understand the principles behind electric motors and other electromagnetic devices, enhancing their grasp of how electricity and magnetism work together in practical applications.

  1. Magnetic poles
  2. The magnetic field of a bar magnet
  3. Electromagnets
  4. Current through an electromagnet
  5. Using electromagets

  • Magnets attract or repel each other and attract some materials and not others.
  • Magnets have two poles and two magnets will attract or repel each other, depending on which poles are facing.
  • A battery pushes electric charge (electrons) one way round a complete circuit.
  • An ammeter is used to measure the size of an electric current.
  • Electric current is measured in amps (A), which is short for ampere.
  • The current in a series circuit is the same everywhere.

91 units shown,

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