STATIC ELECTRICITY

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity

Tags

NGSS.MS-PS2-3

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

What is static electricity caused by?

• A balance of power
• A balance of positive and negative charges
• . An imbalance of positive and negative charges
• An imbalance of protons and neutrons

What charge does an electron have?

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

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

• True

• False

Which of the following is caused by static electricity?

• a stove getting hot when it is turned on
• a magnet being attracted to a refrigerator
• a lightning strike during a storm
• a light bulb coming on when a switch is turned on

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What can happen 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

• Our negatively charged body becomes positively charged

• Our finger becomes negatively charged

Protons are found...

• in the atom's nucleus.
• in the cloud around the nucleus.