Unit 1 Module 3 Quiz

Ferromagnetic elements include all of the following, except:

• iron
• nickel
• silicon
• Cobalt

A magnetic force is a contact force which means it can apply a force without being in direct contact with another object.

• True
• False

All magnets have two poles – a ____ and a ____. (Choose 2)

• North
• East
• South
• West

If similar poles of two magnets, such as north and north, are brought near each other, the magnets repel.

• True
• False

If opposite poles of two magnets are brought near each other, the magnets repel.

• True
• False

______ is stored energy that is the result of interactions of magnetic poles in a magnetic field.

• Magnetic potential energy
• Elastic potential energy
• Gravitational potential energy
• Potential energy

A ______ is a region in a magnetic material in which the magnetic fields of the atoms all point in the same direction.

• Magnetic Field
• Magnetic Domain
• Magnetic Pole
• Magnetic Force

When a magnetic force causes an object to move, it is doing (a)   on the object.

Earth’s magnetic poles and geographic poles are in the same spot.

• True
• False

An invisible (a)   surrounds all magnets.