Skip Discover Education Main Navigation

Circuits & SwitchesName:__________________
Match the words in the first column to the best available answer in the second column.

 

_____ Electric Charge 1)the particular purpose or task a circuit is designed to complete
 
_____ Electrical Current 2)the movement of electrons from one atom to another
 
_____ Electrical Load 3)the condition of having an excess or deficiency of electrons
 
_____ Switch 4)current that only moves in one direction
 
_____ AC Power Adapter 5)a device used in a circuit to temporarily store electricity
 
_____ Alternating Current (AC) 6)current that changes direction on a regular time interval
 
_____ Capacitor 7)a material that when combined with some other material can be turned into an insulator or a conductor
 
_____ Charge 8)the flow of electrons from one place to another
 
_____ Conductor 9)the control unit placed in a circuit that provides the ability to open or close the circuit
 
_____ Current 10)a diode that produces light when current moves through it
 
_____ Diode 11)a device used to limit the flow of electricity to one direction
 
_____ Direct Current (DC) 12)a particle that is held loosely in orbit around the atom's nucleus
 
_____ Electron 13)the potential of electrons or protons to attract each other
 
_____ Insulator 14)converts alternating current to direct current
 
_____ Light Emitting Diode (LED) 15)a material that does not let electricity flow through it
 
_____ Resistor 16)a type of switch that contains no moving parts and uses electricity to turn itself on and off
 
_____ Transistor 17)any material that allows electrons to flow through it
 
_____ Semiconductor 18)a device that impedes the flow of electrons