ELECTRICITY+&+MAGNETISM


 * [[image:21786_Fun_Science___Magnetism_and_Electricity_magnetism.jpg width="238" height="191" align="center"]] || media type="custom" key="8203628" align="center"

Watch this presentation and make questions about it for the rest of the class. || ELECTRICITY & MAGNETISM

**Can you imagine life without electricity?**


 * **Using electricity [[image:button_right.gif]]**
 * **Electricity in our lives** [[image:button_right.gif link="@http://www.engineeringinteract.org/resources/siliconspies/flash/concepts/electricity.htm"]]

What is electricity?

Electricity is hard to explain because it is something that we cannot see. But we can see what electricity "does" (the results of electricity's power) and we can understand it best by understanding how it is made and how it is used.

The Greeks noticed that when a piece of amber is rubbed with wool, it attracts light objects. This is static electricity. || ||
 * The word “electricity” comes from the Greek “elektron,” meaning “amber."

Electricity is **a type of energy** that can build up in one place or flow from one place to another. (the word static means something that does not move). ||
 * [[image:Static%20Electricity.gif width="150" height="81"]] || When electricity gathers in one place it is known as **static electricity**
 * [[image:img_0007_01.gif width="149" height="100"]] || Electricity that moves from one place to another is called **current electricity**. ||

<span style="color: black; font-family: 'Comic Sans MS'; font-size: 14pt; line-height: normal; margin: 0cm 0cm 0pt;">Electricity and magnetism are really two sides of the same coin: electromagnetism. <span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">Magnetism is a force created by electric currents (caused by moving electrons).




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