Conduction, Friction, and Induction

True or false:

"A positively charged object is an object that has gained protons.“

• True

• False

Tags

NGSS.MS-PS2-3

If balloon B is negatively charged, the balloon C has to be

• positively charged

• negatively charged

• neutral

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electric charges can move most easily on which of the following objects?

• glass tube

• metal plate

• rubber tire

• plastic cup

Which of the diagrams below best represents the charge distribution on a metal sphere when a positively charged plastic tube is placed nearby?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.

Something electricity can't move through is called a(n) ______.

• conductor
• wire
• shoe
• insulator

If a negatively charged rod touches a conductor, the conductor will be charged by what method? 

• Friction
• Conduction
• Induction
• Convection

The process of transferring charge between objects by rubbing

• charging by induction

• static discharge

• charging by friction

• proton

Charging by contact results in both objects having the same charge.

• True
• False

Transferring a charge without touching is ___

• conduction
• induction
• grounding 
• Newtons 3rd law