Electrification Quiz

What did Dr. Hall use to demonstrate how things can be electrified?

• He used a glass rod and a rubber rod.

• He used a flashlight and electrons.

• He used electrodes.

To what did he attach the rods?

• He attached to a glass rod.

• He attached the rods to a wooden bar.

• He attached to a rubber rod.

Did the two rods swing away from each other?

• No, they swung towards each other.

• Yes, they swung away.

What small particle carries a negative electrical charge?

• A rod carries a negative charge.

• A bar carries a negative charge.

• An electron carries a negative charge.

According to the text, what do electronics study?

• It studies the movement of electrons.

• It studies the parts, function of particles.

On what conditions would Dr. Hall perform a second experiment?

• He said he would do a second experiment only if he did not have a volunteer.

• He said he would do a second experiment provided that he had a volunteer.

Why did Mark volunteer?

• Because he loves to be in on everything.

• Because he wanted to get better grades.

If the electricity goes out at night, what can you use for emergency lighting?

• You could use a flashlight.

• You could turn on the lights.

• You just wait.

What is the meaning of "be in on"?

• It means to be involved with or knowing about a particular activity or plan:

• It means to be worried about a plan.

• It means to be ready to start a new business.

The rabbit stopped, mesmerized by the …….. of the car's headlights.

• beam

• sound

• shape