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10 questions
A material that allows electricity to pass through it is an electrical …
inductor
insulator
conductor
convection
The example of electrical conductor are …
iron, steel, silver, and copper
copper, rubber, gold, and iron
plastic, glass, paper, and rubber
paper, copper, plastic, and glass
An electrical insulator is a materials that does not allow … to pass through it.
fire
heat
water
electricity
The example of materials that does not allow electricity to pass through it are …
wood, glass, copper, and steel
rubber, plastic, iron, and paper
copper, nickel, bronze, and iron
ceramic, wood, plastic, and paper
A device in a circuit for holding a lamp in place is called …
lamp holder
switch
lamp
cell
Water that has been boiled and the steam has been allowed to cool down to form liquid water again and contains no salts is called … water.
tap
sea
river
distilled
The example of liquid that conduct electricity are …
honey, milk, syrup, and pure water
seawater, lemon juice, and vinegar
river water, tap water, and distilled water
distilled water, rainwater, seawater, and syrup
The strength of a supply of electricity is called …
current
voltage
resistance
electrical conductor
If mains electricity flows through your body you will get an electric …
power
shock
wire
cord
Changing the number of lamps or cells in a circuit can make a lamp brighter or … .
glowing
sparkling
shinning
dimmer
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