Magnetism

Multiple Choice

Which of the following best describes magnetism?

• A force of attraction or repulsion due to the arrangement of atoms, especially electrons

• A type of light energy

• A form of heat transfer

• A chemical reaction between metals

Open Ended

Why do you think magnetism is important in our daily lives?

Multiple Choice

What are the two poles of a magnet called?

• North and South

• East and West

• Positive and Negative

• Top and Bottom

Open Ended

Explain what happens when you bring two magnets close together with like poles facing each other, and when you bring them together with opposite poles facing each other.

Multiple Choice

If you cut a magnet in half, what do you get?

• Two smaller magnets, each with a north and south pole

• One magnet with only a north pole

• One magnet with only a south pole

• No magnets at all

Multiple Choice

Which of the following statements about magnetic fields is correct?

• Magnetic fields are strongest at the poles of a magnet.

• Magnetic fields are weakest at the poles of a magnet.

• Magnetic fields do not exist outside the magnet.

• Magnetic fields are only found in liquids.

Multiple Choice

What causes an unmagnetized substance to become magnetized when placed in a magnetic field?

• The spinning electrons line up in the same direction

• The temperature increases

• The substance is dropped

• The substance is broken

Open Ended

Compare the arrangement of domains in an unmagnetized substance and a magnetized substance.

Fill in the Blanks

Fill in the blank: Two ways to demagnetize a magnet are to

it or heat it.

Multiple Choice

Which celestial bodies in our solar system have magnetic fields that extend beyond their surfaces?

• Only the Earth

• Only the Sun

• The Sun and other planets

• Only the Moon

Multiple Choice

What is the name of the region around Earth that is influenced by its magnetic field and protects us from solar wind?

• Magnetosphere

• Stratosphere

• Ozone layer

• Troposphere

Fill in the Blanks

The aurora seen in the Northern Hemisphere is called Aurora

.

Open Ended

Explain how the interaction between solar wind and Earth's magnetosphere leads to the formation of auroras.

Fill in the Blanks

Magnetism is the force of attraction or

of a magnetic material due to the arrangement of its atoms.

Open Ended

Summarize in your own words what you learned about magnetism in this lesson. How does the arrangement of atoms and electrons relate to magnetism?