Magnetic and Electric Forces

Multiple Choice

Think about it: Which of the following elements are ferromagnetic and commonly found in magnetic materials?

• Cobalt, nickel, and gold

• Iron, cobalt, and nickel

• Iron, plastic, and neon,

• Nickel and silver

Open Ended

What element do you think the paper clip contained that made it magnetic?

Type your answer here then write it in your notes.

Multiple Choice

What is the main difference between a magnetic force and other types of forces?

• Magnetic force does not require direct contact between objects.

• Magnetic force only works on liquids.

• Magnetic force is weaker than gravity.

• Magnetic force can only attract objects.

Fill in the Blank

A magnetic force is a ___ force, meaning it can act without direct contact.

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Multiple Choice

If you break a magnet into two pieces, what happens to the magnetic poles of each piece?

• Each piece will have a north and a south pole.

• One piece will have only a north pole and the other only a south pole.

• The pieces will lose their magnetism.

• The pieces will become electrically charged.

Multiple Choice

Using what you now know, what should I label the part of the magnet in the red cirlce?

• N

• S

• No label- it no longer has a N or S pole on the cut end.

Open Ended

What is one thing you learned today about magnetic or electric forces that surprised you or made you curious to learn more?