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Homework from last class: ,[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
All these things happen because of Static Electricity!
Chapter 7 pp. 248-254 Ch. 7.1  Static Charge
What is Static Charge? ,[object Object],[object Object],[object Object],[object Object],p. 248
Positive and Negative Charge ,[object Object],[object Object],[object Object],p. 250 electron proton neutron
Positive and Negative Charge ,[object Object],[object Object],[object Object],Electrons are most often transferred through  friction , when objects rub against each other. p. 250
The Amazing Balloon Static Demo!
 
+ + + + + + + + + + - - - - - - - - - -
+ + + + + + + + + + - - - - - - - - - -
+ + + + + + + + + + - - - - - - - - - -
+ + + + + + + + + + - - - - - - - - - -
+ + + + + + + + + + - - - - - - - - - -
+ + + + + + - - - - - - + - - - - + + +
Balloon Static Demo - Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Insulators and Conductors ,[object Object],[object Object],[object Object],[object Object],Charges on insulator Charges on conductor p. 252
Generating Static Charge ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],p. 253
[object Object],[object Object],[object Object],[object Object],[object Object],p. 253-254
Lightning rods protect buildings in the event of lightning by conducting lightning strikes through a grounded wire.
Time for everyone’s favourite scientist….Bill Nye!
Homework for next class: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Works Cited ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Sci 9 Lesson 1 April 28 - Static Charge

Notas do Editor

  1. Ask these questions and expect to get replies but don’t let it go on too long. Be encouraging if someone says something daft try and be positive.
  2. Here’s my silly demo. The balloon will rub against the head and then pull away with the “hair” standing on end. You might need to explain what it’s supposed to be. The next few slides show what is happening to the charges. These should run automatically.
  3. Re iterate that the head an balloon each started off with the same number of positive and negative charges but the rubbing moved charges onto the balloon and off the head. The balloon is now negatively charged and the head positively charged so that because opposites attract the hairs are attracted to the balloon