Electrostatics: Electrification Methods

What is the name of the particle that is transferred?

• Proton

• Neutron

• Electron

• Positron

When a balloon is rubbed on a sweater in what direction do the electrons move?

• From the sweater to the balloon
• From the balloon to the sweater
• They do not move
• They travel to the groud

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NGSS.HS-PS3-5

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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NGSS.HS-PS2-4

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

• beaker
• electroscope
• van de graff generator
• chargometer

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After you rub a balloon on your hair, what charge does your hair have?

• Positive
• Negative
• Neutral

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NGSS.HS-PS2-4

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When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?

• they are removed from the rod
• they are added to the rod

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NGSS.HS-PS3-5

After a balloon is rubbed against wool, the two objects will ________ each other because they have ___________ charges

• attract; like

• attract, opposite

• repel; like

• repel; opposite

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What method of static charging is shown in this picture

• Contact

• Friction

• Grounding

• Induction

Which electrostatics phenomena is shown in this picture?

• Contact

• Friction

• Grounding

• Induction

What is the end result of charging by friction?

• Both object have the same charge, so they will attract one another

• Both object have the same charge, so they will repel one another

• Both object have the opposite charge, so they will attract one another

• Both object have the opposite charge, so they will repel one another

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NGSS.HS-PS2-4