Static Electricity

Opposite charges

• attract

• repel

• become neutral

• do nothing

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Mr. Anady rubbed two balloons against his wool sweater for 30 seconds each. 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 accumulation of excess electric charge on an object is called

• Static electricity

• Electric discharge

• Resistance

• Current 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)

Tags

NGSS.MS-PS2-3

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

What is the major difference between static electricity and current electricity?

• Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
• Current electricity can be deadly; static electricity is almost always safe
• In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
• Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons

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

Tags

NGSS.MS-PS2-3

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

The word electricity comes from the Greek word for _________, elektron.

• fire

• silver

• amber

• lightning