WorksheetsElectrical Circuits 5.6B
Total questions: 22
Worksheet time: 18mins
materials that allow electricity or heat to travel through it. METALS and Water are good conductors.
insulator
conductor
series circuit
power source
Materials that do not allow heat or electricity to flow. No Flow! Examples: rubber, plastic, wood, and cloth
series circuit
power source
insulator
conductor
provides the electrical energy for the circuit, the battery
switch
load
power source
wires
The component of a circuit that consumes the electrical energy. Example: light bulb, bell or motor.
load
switch
power source
circuit
a device that opens or closes a gap in a circuit
switch
load
power source
battery
Electric current ____________, or travels smoothly in a closed circuit.
sends
insulates
conducts
flows
A _____________ lets the electrical current pass through and creates a closed circuit.
thermal insulator
thermal conductor
electrical insulator
electrical conductor
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulates electricity
Sara wants to make an electric circuit. She gathers the items shown here.
What other item does Sara need to make a complete circuit.
a battery
a switch
an insulator
a conductor
Philip needs to choose an item to use to complete a circuit he is making.
Which of the following items would be his BEST choice?
metal coin
glass bead
plastic straw
wooden toothpick
Brayson made the circuit shown here in his science class. What is the most likely reason that the bulb is not lit?
The bulb is cracked.
He did not use the right size battery.
He used too many pieces of wire.
He left the switch open.
The rubber coating on a wire cord is __________________ because it does not allow electricity to pass through to you.
magnetic
a conductor
an insulator
a circuit
The picture shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow? (5.6B)
0
1
2
3
The circuit has 3 lightbulbs and a bell. Which procedure will result in only the blue lightbulbs operating?
Close switches 1 and 2 and leave switch 3 open
Close switch 3 and leave switches 1 and 2 open
Close switches 2 and 3 and leave switch 1 open
Close switch 2 and leave switches 1 and 3 open
What are the four main features of an electrical circuit?
Water, Bulb, Switch, Wire
Battery, Wood, Bulb, Wire
Switch, Sun, Wire, Playdough
Wire, Bulb, Battery, Switch
In a circuit, the flow of electrical charge, is the ______________.
Current
Voltage
Potential difference
Speed
