Electrostatics Review

If two balloons have the same charge, what will happen if you place them close to each other?

• Nothing
• They will be attracted
• They will pop
• They will push each other away.

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What is the overall charge on this balloon? (They are the same so look at either one!)

• +3
• -6
• +6
• -3

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NGSS.HS-PS2-4

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What is the name of this device that is used to detect charges?

• beaker
• electroscope
• van de graff generator
• chargometer

Compared to insulators, metals are better conductors of electricity because metals contain more free

• protons
• electrons
• positive ions
• negative ions

The accumulation of excess electric charge on an object is called

• Static electricity 
• Electric discharge
• Resistance
• Circuit 

A material in which electrons are able to move easily

• Circuit
• Insulator 
• Resistance 
• Conductor 

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The process of transferring charge by touching or rubbing 

• Induction 
• Conduction 
• Friction 
• Conductor 

What is the unit of electric charge?

• Volts
• Amps
• Coulombs
• Ohms

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Electrons are...

• positive
• negative
• neutral

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Protons are...

• positive
• negative
• neutral

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