Electrical Forces

Which has a charge with the greatest magnitude?

• An object with a charge of 0.

• An object with a charge of -2

• An object with a charge of +2

• An object with a charge of -3

Can neutral objects become charged?

• Yes, by wishing it to be so.

• No, never.

• Yes, by being near or in contact with a charged object.

• No, not under any circumstance.

A physical property of matter that moves through wires and causes static electricity.

• conservation of a charge

• a circuit

• electric charge

• positive and negative

A balloon has a negative charge.  The glass rod has a positive charge.  What will happen when the glass rod is brought near the balloon?

• The balloon will be attracted to the rod

• The balloon will be repelled by the rod

• The balloon will remain in place

• The balloon will spin in circles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Charged objects can be attracted to:

• Neutral objects 

• Objects with the opposite charge

• Both

Tags

NGSS.MS-PS2-3

The transfer of what type of atomic particle is responsible for the static charges on objects?

• neutrons

• protons

• electrons

• none of these

Two small hollow metal spheres hung on insulating threads attract one another as shown. It is known that a positively charged rod will attract sphere A. Which statements can be correctly concluded about the charge on the spheres?

• A has a positive charge

• B has a negative charge

• A and B have opposite charges

• A is neutral

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What types of charges repel?

• Positive and Positive

• Positive and Neutral

• Negative and Neutral

• Neutral and Neutral

Tags

NGSS.MS-PS2-3

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• positive charge.

• negative charge.

• neutral charge

• charge at all

Tags

NGSS.MS-PS2-3

Walking across a carpet is an example of charge being transferred by

• friction.

• induction.

• contact.

• static electricity

Tags

NGSS.MS-PS2-3