A ______ opens and closes a circuit. 

• power source
• conductor
• switch
• output device

Electricity is the flow of _________.

• Protons
• Neutrons
• Electrons

Which of these objects is an insulator?

• Copper Wire
• Paper Clip
• Steel Pole
• Rubber Gloves

Which one is a conductor? 

• wood 
• iron 
• plastic spoon 
• paper 

The flow of electrical energy starts at the  ___ side of the d-cell.

• negative
• positve
• complete circuit
• bulb

Which subatomic particle has a negative charge?

• Proton
• Neutron
• Electron

Metal is an example of this. 

• conductor
• insulator

When all parts of the circuit are connected it is a ______ circuit. 

• open
• closed

a device that supplies electrical energy

• source
• drain
• ground
• voltage

a device that converts electrical energy into another form of energy

• load
• battery
• source
• AC outlet