1 Day 1: Static Electricity 2 Electricity exists in nature and comes from the electrons in atoms + - + + + + + - - - - - Most objects tend to be.

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Presentation transcript:

1 Day 1: Static Electricity

2 Electricity exists in nature and comes from the electrons in atoms Most objects tend to be

3 Neutral ObjectCharged Object Net Charge: Net Charge of Objects:

4 Opposite charges Attract + - Like Charges Repel The Law of Electric Charges states: ANDANDANDAND

5 + + Static Electricity: the buildup of electrical charges Total number of protons and electrons in an object are not equal because electrons have moved (charged atoms)Total number of protons and electrons in an object are not equal because electrons have moved (charged atoms) Only the electrons can move!! not moving’) (static = ‘not moving’)

6 Static electricity can “discharge” after the charges have had a chance to buildup. ZAP!!! For example: When you shock yourself on a doorknob, this is a small discharge MASSIVE Lightening is a MASSIVE discharge of static electricity mulations/sims.php?sim=John_T ravoltage0

7 Ex. Ex. - How do balloons stick to walls? Negative charges in the wall repel from the balloon. 1. Rub a balloon on a sweater to “charge it up.” The balloon sticks because the positive charges left over are attracted to the balloon. ms.php?sim=Balloons_and_Static_Electricity

8 Ask yourself: Why do clothes stick together when you take them out of the dryer?

9 Charge… Discharge!!!