Electricity Basics

What is electricity?

• A zap from friction
• A thunderbolt thrown by Zeus
• Moving electrons
• Energy from the air

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Which on the following is NOT an example of an insulator.

• Rubber
• Glass
• Penny 
• Wood

The flow of electric charges is 

• voltage
• current 
• resistance
• electricity 

A closed path that electric current flows is a

• circuit
• wire
• track
• hallway

What is the unit of measurement for current?

• Amperes
• Ohm's
• Volts
• Watts

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What is lightning?

• the flow of electric charges

• the build-up of an electrical charge on clouds

• the opposition of current flow.

• Something that happens when Zeus gets mad!

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A material in which electrons are able to move easily is called

• Insulators
• Conductors

The measure of resistance in an electrical circuit is

• amps
• volts
• watts
• ohms

What is a battery?

• A metal tube filled with energy
• A can of chemicals that produces free-flowing electrons
• A bottle of lightening
• An electrical storage unit

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How does a generator make electricity?

• By burning coal
• By shaking batteries
• By spinning a magnet inside a coil of wire