Physics Summary Notes

Front

What are magnetic materials?

Back

Magnetic materials include iron and steel.

Front

What are non-magnetic metals?

Back

Non-magnetic metals include aluminium, copper, brass, and lead.

Front

What is the difference between ferrous and non-ferrous metals?

Back

Ferrous metals contain iron and are magnetic, while non-ferrous metals do not contain iron.

Front

What are the two poles of a magnet?

Back

The two poles of a magnet are north and south.

Front

How can you identify the north pole of a magnet?

Back

The north pole of a magnet can be identified using a compass.

Front

What are iron filings used for?

Back

Iron filings are used to visualize magnetic field lines around magnets.

Front

What is a hard magnetic material?

Back

A hard magnetic material retains magnetism, like steel.

Front

What is a soft magnetic material?

Back

A soft magnetic material is easily magnetised and demagnetised

Front

How can you magnetize steel?

Back

You can magnetize steel by stroking it with a magnet or placing it in a coil with current.

Front

How can you demagnetize a permanent magnet?

Back

You can demagnetize it by hammering it or placing it in a coil carrying alternating current.