Unit J Magnets and Electromagnets

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Presentation transcript:

Unit J Magnets and Electromagnets St. Mary´s College in Crosby Unit J Magnets and Electromagnets REVISION Form 2C 6th of December

What do you really know?

J1 – Magnetic Field Look at these pairs of magnets. Which pairs of magnets will attract each other?

J2 - Magnets x x A D B E C F Tick () the drawings that are correct.

J2 - Magnets Before compasses, sailors found their way using … a)…the Sun and the stars b)…the winds c)…the waves.

J3 – Making Magnets Makes a strong permanent magnet. lodestone iron oxide steel iron Makes a strong permanent magnet. Makes a weak permanent magnet. A natural magnet. Only makes a temporary magnet. Match the materials to their descriptions

J4 - Electromagnets Power supply Coil Switch core

Unit J – Magnets and Electromagnets Revision Worksheet Unit J – Magnets and Electromagnets