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. What effect will a positively charged plate have on a stream of alpha particles?

They'll be attracted by it.
They could be either repelled or attracted by it, because they might have different charges.
No effect.
They'll be repelled by it.

Question 2. 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 3. 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.

Question 4. Which material won't build up a static charge by rubbing it against an insulator?


Question 5. Which particle has a positive charge?


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