Snapquiz - Static Electricity

This is the Snapquiz on Static Electricity. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. Which material won't build up a static charge by rubbing it against an insulator?


Question 2. What is the charge on an atomic nucleus?

It varies, from element to element.
Always positive.
Always negative.
Zero overall charge.

Question 3. Why does a Van de Graaff generator make your hair stand up?

When you touch it you earth it so the electrons can escape.
When you touch it you get a shock.
When you touch it your positive charge repels the negative charges.
When you touch it you get charged up with electrons, which all then repel each other.

Question 4. When we build up a static charge by rubbing two insulators together, which particles are torn from one surface by the other surface?


Question 5. If you hold a charged plastic rod near a stream of water from a tap, what will happen?

The stream will be attracted by the rod.
The stream will be repelled by the rod.
The stream could be either attracted or repelled by the rod.

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