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Active Physics CoreSelect

 
 
 
 
 
 
 
 

 

 

 

GOALS
In this activity you will:

  • Charge a ball with a positive charge.
  • Charge a ball with a negative charge.
  • Observe that like charges repel and unlike charges attract.
  • Calculate the electrical force using Coulomb's Law.
  • Apply the organizing principle of conservation of charge.
  • Recognize the similarities and differences between Coulomb's Law and Newton's Law of Gravitation.
  • Explain how Coulomb was able to measure Coulomb's constant using a torsion balance.
  Static Electricity
  What Do You Think?What Do You Think?

"Everyone" has heard of atoms, but no one has ever seen an atom. Look at the sketch below of an atom that you often see in advertisements and some science books.

  • How would you describe what is shown in the sketch of an atom?
  • Are there any problems with this depiction of the atom? Explain your answer.

Record your ideas about these questions in your Active Physics log. Be prepared to discuss your responses with your small group and your class.

Atom

     
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