Conductor or Insulator
Parts of a Circuit
Properties of Items
Simple Circuit
Random
100
Is ROPE a conductor or insulator?
Insulator
100
What are the arrows pointing to in this diagram?
The wire
100
Which item does not have the properties to be a good electrical conductor?
A. copper
B. water
C. wood
D. aluminum
C. wood
100
A student wants a light bulb to shine more brightly. What should the student do?
A. use longer wires
B. add a switch
C. add another battery or power source
D. use a smaller light bulb
C. add another battery or power source
100
All circuits have to have a power source and a load. What is a good example of a load?
Light bulb
200
Is PLASTIC a conductor or insulator?
Insulator
200
What is another word for the "light bulb"?
The load
200
Which property is similar in both copper and aluminum?
A. Both can rust
B. Both are expensive metals
C. Both can conduct energy
C. Both are attracted by magnets
C. Both can conduct energy
200
A student is designing a simple circuit using items she has at her house. She has wire and a light bulb. What other item will she need to complete her electrical circuit?
A. motor
B. switch
C. wood base
D. power source
D. power source
200
What provides energy to the circuit?
The battery cell
300
Why would a scientist most likely choose copper for circuit board wiring?
A. it is brittle
B. it is easy to find
C. it is not magnetic
D. it conducts electricity
D. it conducts electricity
300
What does a switch do to a circuit?
Turn it on and off
300
Which best describes a physical property of both copper and iron?
A. Both are conductors of electricity
B. Both are attracted by magnets
C. Both are the same color
D. Both are soft metals
A. Both are conductors of electricity
300
Which will light up? Circuit X or Circuit Y?
Circuit Y
300
What controls the flow of energy in a circuit?
The switch
400
Which lets energy flow through? Conductors or insulators?
Conductors
400
Does a simple circuit have to have a switch to work?
No
400
Why are the prongs at the end of the cord made of metal?
Metal is a good conductor that helps deliver electricity to the radio.
400
Will the lightbulb in this circuit light up? Why or why not?
No, because rubber is an insulator and will stop the flow of energy.
400
What moves the energy through the circuit?
The wire
500
Which stops energy from flowing through?
Insulators
500
To create a simple circuit, what are the three items you would need?
Wire, load (light bulb), power source (battery cell)
500
Sample X has the following properties:
- It is strong
- It conducts electricity
- It is flexible
- It is magnetic
Which is most likely the identity of Sample X?
A. Rubber
B. Iron
C. Plastic
D. Wood
B. Iron
500
What could you put where X is to complete the circuit?
A. a plastic tie
B. a rubber band
C. a second battery
D. a metal paperclip
D. a metal paperclip
500
What provides evidence of the energy moving through the circuit?
The lightbulb (or load)