Chapter 17
Magnetism
Magnetic observations tell you about poles, materials and the field around them.
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Magnet properties and observations
Use attraction and repulsion to distinguish what an observation proves about a magnet or magnetic material.
Induced magnetism and material choice
Predict magnetisation near a magnet or inside a coil, then choose a material for retaining or losing it.
Finding field direction with a compass
Use the north-seeking end of a compass to plot a local field direction and follow a field line.
Magnetic field patterns
Draw consistent arrows around one bar magnet and between unlike or like facing poles.