Unit 4.1: Flow of Electrical Energy - Part 2

Electricity that flows in a closed path is called a

• path
• current
• circuit

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet

To complete a circuit the switch must be

• unattached
• open
• closed

An example of a conductor is :

• a glass paperweight
• a plastic cap
• a metal screw
• a wooden handle

An example of an insulator is:

• iron
• silver
• copper wire
• rubber

What is the purpose of a switch?

• To open and close the circuit.
• To carry the electricity through the circuit.
• To make a fun clicking sound
• To supply the power to the circuit

What are the components of a simple circuit?

• wires, switch, outlet
• battery, switch, motor
• wires, light bulb, motor
• wires, battery, light bulb

What kind of energy is the electricity transferred into in a toaster?

• sound
• light
• heat
• light and heat

Choose the correct sentence.

• This circuit will work because it is an open circuit.
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

What is voltage?

• the rate of flow of charge

• the difference in charge between 2 points

• the amount of available charge