An Understanding of Magnetism

Which of the following is a type of magnet?

• Electromagnet

• All of the above

• Temporary magnet

• Permanent magnet

Objects can gain magnetization by ______.

• Stroking with a magnet

• Heating in sunlight

• Washing with water

• Painting with oil

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What is a permanent magnet?

• An object that becomes a magnet through magnetization

• None of the above.

• A temporary magnet produced by an electric current

• An object made of matter that is permanently magnetized

A temporary magnet is an object that becomes a magnet through ______.

• magnetization

• evaporation

• condensation

• oxidation

What are the groups of atoms called when their magnetic fields align?

• Particles

• Domains

• Molecules

• Clusters

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In a magnet, domains point in the ______ direction.

• opposite

• different

• random

• same

What does the letter "N" typically represent on a magnet?

• South Pole

• North Pole

• Neutral Zone

• Negative Charge

What is the process called when you convert a magnetic object into a temporary magnet?

• Ionization

• Polarization

• Electrification

• Magnetization

When magnetizing an object, you must run the magnet in the same direction over the object a few times. This causes the object's domains to ______, which makes a magnet.

• align

• separate

• shrink

• disappear

What is demagnetization?

• The change in a magnet's color.

• The gain of a magnet's magnetic force.

• The loss of a magnet's magnetic force.

• The increase in a magnet's size.

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