Electric Charges and Forces

The ___________ _____________ is the force of attraction or repulsion between objects due to their charges.

• electric charge

• electric force

• distance

• variable

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

• conservation of a charge

• a circuit

• electric charge

• positive and negative

When you rub a neutral balloon on neutral carpet, the balloon will attract hair. What happened to the electric charge of the balloon?

• Nothing, the hair's charge changed.

• The charge of the balloon changed.

• It became opposite.

• It stays neutral.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is an electric charge?

• A physical property that results in static electricity.

• The attraction and repulsion of objects.

• Something you plug in.

• A constant state.

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NGSS.MS-PS2-3

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.

The charge of an electron is:

• Positive. 

• Negative. 

• Electrons have no charge

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

The push or pull between charged objects is an

• electric force

• electric discharge

• electric field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following statements is false? 

• An object with fewer electrons than protons has a net positive charge

• Negative electrons orbit a positive nucleus full of protons

• Electrons can travel freely through any substance

• Different materials hold electrons with different strengths

Tags

NGSS.MS-PS1-1

When two objects touch, which object becomes negatively charged?

• the object that has the greater mass

• the object that loses electrons more easily

• the object that holds electrons more tightly