| A | B |
|---|
| voltage | the strength of moving electricity |
| AC (Alternating) current | current that flows in two directions |
| DC (Direct) current | current that flows in one direction |
| current | the quantity of electricity in a wire |
| volt | a measurement of the force of electricity |
| amperes | a measurement of electric current |
| a switch | a device that opens and closes a circuit |
| a conductor | a material electricity can travel through easily |
| an insulator | a material that electricity cannot travel through easily |
| a closed circuit | a circuit in which current flows with no breaks |
| an open circuit | a circuit in which there is a break in the path of the current |
| a proton | a part of an atom with a positive charge |
| a neutron | a part of an atom with a neutral charge |
| an electron | a part of an atom with a negative charge |
| a joule | a measurement of energy or work |
| resistance | the restriction of the flow of electricity in a circuit |
| a wire | a thin, thread-like piece of metal |
| a watt | a unit of electrical power (one joule per second) |
| power | the energy or force something has |
| a plug | an attachment at the end of an electrical cord |
| a socket | a whole in the wall in which you place a plug |
