Electricity and Magnetism
Magnets and magnetic fields · Electric circuits · Heating effect and safety
Identify a magnet, its magnetic field and its poles
Make a magnet by the stroking method and the electrical method
Understand the sources of electricity and the work of a cell
Draw an electric circuit and tell a closed one from an open one
Explain the heating effect, the fuse and the MCB
Magnet: an object that pulls iron filings, nails and pins towards itself.
Magnetic force: the pulling power inside a magnet.
Magnetic substance: an object a magnet pulls, such as iron and steel.
Non-magnetic substance: an object a magnet does not pull, such as wood and plastic.
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