Monday, August 29, 2011

Electricity Knowledge Quiz

Explain in your own words the phenomenon of static electricity and in doing so, define using metaphor or analogy the concept of electricity. Do this all in about 4-5 sentences.
How would you make an electromagnet from materials around your house?
What experiement in the Getting Started With Electronics book did you most want to try at home and why?

Static electricity is electricity that is not moving. The electrons become stored and are released and move freely when a conductor is introduced. Electricity is the movement of electrons from different atoms as well as free electrons that are either attracted or repelled and give off energy. This energy can be used to light lamps, power laptops, or if you rub your shoes across carpet, and then poke your friend (or frenemy) you can shock them.

To build an electromagnet I would use a 9volt battery, a copper wire, and a nail. Honestly I don't have those materials laying around my tiny apartment, but it would still be cheap and easy to obtain materials.

I think the experiment on page 22 would be fun to try, a visualization of sound, like many of my teachers have assigned to me as a project.

-Emily

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