This is the unit used to measure the energy used by an appliance (like a microwave) in a certain amount of time.
What is a watt?
This is the flow of electric charges that moves in an unbroken loop.
What is an electric current?
This type of circuit is an incomplete circuit where there is some part that is not connected and electricity cannot flow through it.
What is a open circuit?
This is the name of the crackle you hear and feel when you touch a doorknob after rubbing your feet across a carpet.
What is static electricity?
This type of circuit is a complete circuit where everything is connected and electricity can easily flow through it.
What is a closed circuit?
Early scientists most likely saw a discharge of electricity for the first time while observing this.
What is a lightning storm?
This is a device that is used to open and close a circuit easily without connecting and disconnecting the wires
What is a switch?
These are the basic materials needed to make a complete circuit.
What is a power source, wires and a light bulb?
This person invented the light bulb.
Who is Thomas Edison?