Magnetism

Lodestones are magnetized ROCKS that were found in the area of Magnesia in Ancient Greece.

• True

• False

If you drop and break a bar magnet in half, you will no longer have a magnet.

• True

• False

The following metals can become magnetized: Iron, Cobalt, and Copper.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnetism occurs when the electrons of a metal all spin in the same direction.

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• False

All materials have electrons that spin. If a material is not magnetized, it is because the spins of the electrons are in opposite directions and cancel each other out.

• True

• False

Tags

NGSS.MS-PS2-3

Induction is when magnetic force is transferred from the magnetized object to any other object, regardless of the other object's composition.

• True

• False

Tags

NGSS.MS-PS2-5

The number of coils in an electromagnet effect the strength of the magnetic field of the electromagnet.

• True

• False

Tags

NGSS.MS-PS2-3

A similarity between magnetism and electricity is that you can separate the different components of each- you can separate (+) and (-) charges, and you can separate the north and south poles from the magnet.

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• False

A difference between magnetism and electricity is that electricity involves the movement of electrons.

• True

• False

Once a magnet loses its magnetic force, it cannot be re-magnetized.

• True

• False