Magnetism and Electricity Unit Final Review

What causes a material to be magnetized

• The mass of the material is larger

• The magnetic domains are aligned

• The magnetic domains are random

• The nonmetal force creates magnetism

Would this material be magnetized or not?

• Magnetized

• Not magnetized

If two south poles of different magnets are put together, what would occur?

• They would attract each other

• The would repel each other

• They would do a little dance

• They would get mad and call each other names

Which type of force describes two objects that are NOT touching each other, but still having an effect on each other.

• Strong force

• Contact force

• Jedi force

• Non contact force

Where would the bar magnet be the strongest?

• Position A

• Position B

• Position C

• Position D

Which of the following would be attracted to a magnet?

• paper

• aluminum

• iron

• wood

What will happen when the balloon is moved toward the sweater?

• The electrons will move from the sweater to the balloon

• The protons will move from the sweater to the balloon

• The electrons will make a complete circuit

• The protons and electrons will stay where they are

If the balloon is negatively charged and the sweater becomes positively charged, what will happen when the balloon is brought close to the sweater?

• The sweater will repel the balloon

• The balloon will get bigger

• The balloon will pop

• The balloon attract to the sweater

What happens when an electric current passes through a wire?

• The wire short circuits

• A small magnetic field is created

• The protons flow through the wire

• Electrons fly into the air

What is an advantage of using an electromagnet rather than a permanent magnet?

• The electromagnet is stronger

• The electromagnet is more durable

• The electromagnet is always on

• The electromagnet can be turned on and off