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CAST Topic: Chemistry II

Last updated almost 3 years ago
6 questions
Note from the author:
Topic: Elecriticity and magnetism
Before you watch the video, answer the following question:
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1

When was the last time you experienced static electricity? Describe the experience below.

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After watching the video, try to explain what happened using as much science as you can. Do NOT Google! UYOB (Use Your Own Brain)
I think the science that explains what happened in the video is…

Now, click here and explore the simulation for about 5 minutes. Try rubbing the balloon on the sweater and then on the wall. Then, answer the questions.

Simulation Link: https://phet.colorado.edu/sims/html/balloons-and-static-electricity/latest/balloons-and-static-electricity_en.html
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1

How can you make the balloon stick to the sweater?

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What makes it stick weakly versus strongly?

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1

How do the plus or minus symbols help you decide whether something attracts or repels?

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Using what you know, explain why the kid in the picture may “shock” her mom when she catches her. Answer with as much scientific language as possible.


The mom may experience a shock from her child because...