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# Science

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### Science

1. 1. By: Amber Weems 2 nd block 3-26-10 What I learned from Webquest Activity
2. 2. Electricity and Magnetism <ul><li>Electricity is related to charges,there are two types of charges (positive and negative) </li></ul><ul><li>One of the most commonly-observed form of electricity is lighting (lighting is also a form of electric discharge) </li></ul><ul><li>Electricity is everywhere, two types of electricity: direct current and alternating current. </li></ul><ul><li>Direct current is created by batteries and flows in only one direction. </li></ul><ul><li>Alternating current is a house hold form of electricity and flows in two directions (back and forth) </li></ul>
3. 3. Static Electricity <ul><li>Whenever you put a charge on something and it stays put is called static electricity </li></ul><ul><li>Conductors are items such as copper or iron that allow electricity to flow through them easily. </li></ul><ul><li>Insulators are items such as glass, plastic, and rubber that don’t allow electricity to flow through them easily </li></ul><ul><li>Static electricity is also the build up of electrons on your skin. </li></ul><ul><li>And when you get shocked by touching a metal object that is electric discharge </li></ul><ul><li>Electrostatics is the study of electricity where the charges are not moving </li></ul>
4. 4. Same and Opposite Charges <ul><li>Same charges repel each other (positive and positive or negative and negative) </li></ul><ul><li>Opposite charges attract each other (positive and negative or negative and positive) </li></ul>