Magnetic Forces/Magnetism

When iron touches a magnet, it becomes a magnet too.

• True

• False

Tags

NGSS.MS-PS2-5

The Earth is a large magnet.

• True

• False

The Earth’s magnetic field is weakest at the north and south pole.

• True

• False

Some planets have magnetic fields that are stronger than the Earth’s magnetic fields.

• True

• False

The three magnetic elements are iron, nickel and cobalt.

• True

• False

Tags

NGSS.MS-PS2-3

When a bar magnet with two poles is cut in half, each half has only one pole – either north or south.

• True

• False

A magnet is made from iron in which all the electrons are spinning in the direction.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following does NOT incorporate a magnet?

• Telephone

• Bankcard

• Video tapes

• Sewing machine

Because of the magnetic field, magnets don't have to touch to affect each other.

• False

• True

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When an object that is made of magnetic material but is not a magnet comes in contact with a magnet _____

• Its magnetic domains fall into alignment and it begins to repel other objects made of magnetic material

• its magnetic domains fall out of alignment and it begins to repel other objects made of magnetic material

• Its magnetic domains fall into alignment and it begins to attract other objects made of magnetic material

• its magnetic domains fall out of alignment and it begins to attract other objects made of magnetic material