Magnetism and Electromagnetism

Front

What do magnetic field lines look like?

Back

Curved lines from N to S pole and outwards.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

When a magnet is able to move freely, which direction will its North pole point?

Back

It will point to the Earth's magnetic North pole.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What do electric currents passing through wires produce?

Back

A magnetic field.

Tags

NGSS.MS-PS2-3

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Front

How can a simple electromagnet be made stronger?

Back

Add more coils of wire to the nail.

Front

Which of the following is NOT magnetic: zinc, iron, cobalt, nickel?

Back

Zinc.

Tags

NGSS.MS-PS2-3

Front

What is magnetism?

Back

A force that can attract or repel certain materials, primarily metals like iron.

Tags

NGSS.MS-PS2-3

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Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the role of the core in an electromagnet?

Back

The core, often made of iron, enhances the magnetic field produced by the coil.

Tags

NGSS.MS-PS2-3

Front

What happens to the magnetic field when the electric current is turned off in an electromagnet?

Back

The magnetic field disappears.

Tags

NGSS.MS-PS2-3

Front

What is the difference between a permanent magnet and an electromagnet?

Back

A permanent magnet produces a constant magnetic field, while an electromagnet's field can be turned on and off.