What is Static Electricity?

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Presentation transcript:

What is Static Electricity?

What is Static Electricity? Electric Charge: a negative or positive charge that exerts an electric force.

What is Static Electricity? Electric Charge: a negative or positive charge that exerts an electric force. How to make an electric charge? -electrons can be added or removed from atoms fairly easily

What is Static Electricity? Electric Charge: a negative or positive charge that exerts an electric force. How to make an electric charge? -electrons can be added or removed from atoms fairly easily Remove electrons: substance becomes positive

What is Static Electricity? Electric Charge: a negative or positive charge that exerts an electric force. How to make an electric charge? -electrons can be added or removed from atoms fairly easily Remove electrons: substance becomes positive Add electrons: substance becomes negative

What is Static Electricity? We don't draw atoms, just "+" and "–" to illustrate the overall charges

What is Static Electricity? We don't draw atoms, just "+" and "–" to illustrate the overall charges e.g. a neutral object 5 + 5 - overall charge 0

What is Static Electricity? We don't draw atoms, just "+" and "–" to illustrate the overall charges e.g. a positive object 5 + 3 - overall charge 2+

What is Static Electricity? We don't draw atoms, just "+" and "–" to illustrate the overall charges e.g. a negative object 5 + 8 - overall charge 3 -

What is Static Electricity? Static Electricity: an imbalance of electric charge on the surface of an object.

What is Static Electricity? Law of Electric Charges:

What is Static Electricity? Law of Electric Charges: 1. Opposite charges attract

What is Static Electricity? Law of Electric Charges: 1. Opposite charges attract 2. Like charges repel

What is Static Electricity? Law of Electric Charges: 1. Opposite charges attract 2. Like charges repel 3. Charged objects attract neutral objects