MrBadmusSpring Second Half

Year 9 · Spring Second Half

Physics

3 lessons from 1 unit.

Unit P10 · lessons 3 to 5 of 5

Magnetism and electromagnetism

A magnet does not have to touch anything to act on it — and only one of the things it does is proof that the other object is a magnet too. Follow that from two bars on a track to the field a current makes, and to the motor that field turns.

  1. 03The Earth is a magnetSystemA compass works because it is one magnet finding another one, and the other one is the planet you are standing on.Open this lesson
  2. 04ElectromagnetsModelHow could you build a magnet, and how would you make it stronger?Open this lesson
  3. 05How a motor worksSystemHow does electricity make something spin, and what controls which way it spins?Open this lesson

Back to all three sciences this half term The whole KS3 Physics course