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20 questions
How can it be explained that someone's hair can stick to a balloon?
There is static electricity.
There is too much dust in the air.
The person needs to wash his hair.
Opposite charges _______________.
attract
repel
nothing changes
Like charges _______________.
attract
repel
nothing changes
The flow of electric charge in a circuit is called _______.
Heat
Sound
Electric Current
Magnetic
Identify the part of the circuit that is labeled 1.
battery
wire
switch
bulb
Identify the part of a circuit that is labeled 2.
battery
wire
switch
bulb
Identify the part of a circuit that is labeled 3.
battery
wire
switch
bulb
What supplies the energy or power in an electric circuit?
light bulb
wire
battery
If the light is on, the circuit is _________________.
closed
open
If the light is off, the circuit is ______________.
closed
open
Identify the conductor below.
cloth
plastic
metal
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
What object would best complete this circuit?
A battery
a conductor
an insulator
How could you make this circuit work?
Close the switch
Take out the bulbs
Add another battery
Add another bulb
Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?
Plastic is an insulator.
Plastic is a conductor.
Plastic is strong.
Plastic will melt.
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