Electricity

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)

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

• The doorknob sends millions of electrons into your finger

• Millions of electrons go from your finger into the doorknob

Which of the following is caused by static electricity?

• a light bulb coming on when a switch is flipped

• a magnet being attracted to a refrigerator

• a lightning strike during a storm

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

NGSS.MS-PS2-5

One example of static electricity is...

• rain
• thunder
• lightning

Tags

NGSS.MS-PS2-3

Two objects that have opposite charges will...

• attract
• repel
• not move

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Two objects that have the same charges will...

• attract
• repel
• not move

Tags

NGSS.MS-PS2-3

The buildup of electric charges is called . . .

• static electricity

• electric discharge

Which of the following is an example of a source of human-harnessed (current) electricity?

• Lightning striking a building

• Getting a shock from a doorknob

• A power plant

• Socks from the dryer sticking together