Introduction to Electrostatics

What causes the flow of electricity through devices like a television?

• Magnetic fields

• Static charge buildup

• Flow of electrons

• Mechanical energy

What happens when static charges build up and are suddenly released?

• It generates light

• It causes an explosion

• It creates a vacuum

• It creates a spark or lightning

What does the Van de Graaff generator demonstrate?

• Magnetism

• Gravity

• Static electricity

• Nuclear fusion

Why do clothes sometimes stick together after being in the dryer?

• Due to heat

• Due to moisture

• Because of static electricity

• Because of detergent residue

How can static electricity be observed with a balloon and hair?

• The balloon sticks to the wall

• The balloon deflates

• The hair loses its color

• The balloon pops

What did the Greek philosopher Thales discover about amber?

• It could float on water

• It could conduct electricity

• It attracted small objects after being rubbed

• It was a good insulator

What did the ancient Greeks call amber?

• Electron

• Amberite

• Staticite

• Glowstone

What is the purpose of the third prong on some electrical plugs?

• To reduce energy consumption

• To ground the electrical charge

• To improve the plug's grip

• To increase electrical flow

How does an electroscope detect static electricity?

• By glowing

• By separating foil leaves

• By moving a needle

• By creating sound

What is the safest place to be during a thunderstorm?

• Under a tree

• In an open field

• In a car

• Near a body of water