Electricity

Electrons have ___ charge. 

• no
• negative
• positive

Tags

NGSS.MS-PS2-3

Protons have ___ charge.

• no
• positive
• negative

The girl's hair and the comb are attracting  one another.  The hair and the comb have

• opposite charges
• like charges

Tags

NGSS.MS-PS2-3

Two things with opposite charges will

• attract one another.
• repel one another.

A plastic rod is rubbed with a dry piece of cloth and the rod becomes positively charged.  The rod has …  

• gained electrons
• lost electrons
• gained protons
• lost protons

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

Electric charges that are alike _______ each other.

• Attract
• Repel

Electric charges that are different _______ each other.

• Attract
• Repel

Ms McCulloch rubs two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.
• The balloons will attract each other.
• The balloons will become positively (+) charged.
• The balloons will pop.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.

• True
• False

Tags

NGSS.MS-PS2-4