Electrostatics

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

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

• glass tube

• metal plate

• rubber tire

• plastic cup

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

• TRUE

• FALSE

• I DON'T KNOW

• NOT SURE

Tags

NGSS.MS-PS2-3

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

• Friction

• Induction

• Conduction

• Convection

It refers to the process of transferring charge between objects by rubbing.

• charging by induction

• charging by conduction

• charging by convection

• charging by friction

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

• TRUE

• FALSE

• I DON'T KNOW

• I'M NOT SURE

Transferring a charge without touching is ___

• Conduction

• Grounding

• Induction

• Polarization

You rubbed a balloon to your hair several times, what is the charge of your hair after the action?

• Negative

• Positive

• Neutral

• None of the above

Tags

NGSS.MS-PS2-3

For an object to have a positive charge, it must ____.

• lose electrons

• gain electrons

• gain protons

• lose proton

Tags

NGSS.MS-PS2-3

Select all that describe insulators.

• allow charges to flow easily

• do not allow charges to flow easily

• plastic

• metal

• surround a wire