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7 questions
What is an electrical circuit?
a closed path where electricity flows
Does not let electricity flow through it
When a bulb does turn on
Which of the following can work as an energy source?
Lightbulb
Switch
Wire
Battery
Batteries convert what type of energy into electricity?
All of them
Mechanical energy
Chemical energy
Kinetic energy
Lightbulbs use electricity to make light. What else do lightbulbs often give off?
Wind Energy
Heat Energy
Sound energy
Potential energy
What is the difference between a conductor and an insulator?
A conductor is magnetic and an insulator is not
An insulator is magnetic and a conductor is not
A conductor allows electricity to flow through it easily and an insulator does not.
An insulator allows electricity to flow through it easily and a conductor does not
A great conductor of energy is:
plastic
metal
cloth
wood
What object would best complete this circuit?
a paper clip
a pen
a battery
piece of plastic
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