Electric Forces and Electric Field

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

• the balloon will be attracted to the rod

• the balloon will remain in place

• the balloon will be repelled by the rod

• the balloon will spin in circles

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the charge of the electron

• positive

• no charge

• negative

• neutral

Tags

NGSS.MS-PS2-3

What types of charges attract?

• Positive and Positive

• Positive and Neutral

• Negative and Neutral

• Positive and Negative

The accumulation of excess electric charge on an object is called

• Static electricity 

• Electric discharge

• Resistance

• Circuit 

Electric charges that are alike _______ each other.

• Attract

• Repel

Tags

NGSS.MS-PS2-3

Electric charges that are different _______ each other.

• Attract

• Repel

Tags

NGSS.MS-PS2-3

If an object has a net charge of +2e this means it has

• lost 2 electrons

• gained 2 electrons

• lost 2 protons

• gained 2 protons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An object that is positively charged contains more protons than electrons.

• True

• False

• I need more information

When objects have equal numbers of positive and negative charges, they are

• positively charged

• negatively charged

• electrically neutral

• unbalanced

What charge does a proton have?

• negative (-)

• positive (+)

• neutral or no charge (0)

Tags

NGSS.MS-PS2-3