Electric Charge

Mrs. Davis rubbed 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

What types of charges attract?

• Positive and Positive

• Positive and Neutral

• Negative and Neutral

• Positive and Negative

What charge does an electron have?

• negative (-)

• positive (+)

• neutral or no charge (0)

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

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

• The doorknob sends a burst of electric current into your body

• Millions of electrons go from your finger into the doorknob

• The doorknob sends millions of electrons into your finger

• our finger becomes negatively charged

Tags

NGSS.MS-PS2-5

An object becomes postiively charged when which of the following occurs?

• loses electrons

• gains electrons

• loses protons

• gains neutrons

Tags

NGSS.MS-PS2-3

If an object has the same number of positive and negative charges, its electrical charge is...

• positive

• negative

• neutral or no charge

• opposite

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 objects with LIKE elecrical charges will

• attract each other

• even out in the end

• repel each other

• cause a spark

If two objects with static charge are attracted, what do you know about them?

• They are both positively charged.

• They are both negatively charged.

• One is positively charged and one is negatively charged, but you won't be able to tell which is which.

• One is positively charged and one is negatively charged, and you can tell which is which by looking at them.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5