What kind of circuit would a door bell need? Explain why.
Which of these materials are insulators?
Plastic
Copper
Rubber
Gold
Iron
Wool
Which of these materials are conductors?
Gold
Aluminium
Water
Wax
Wood
Name 3 appliances that use electricity
A complete circuit....
...lets the electricity go all of the way around.
Stops the electricity from going all the way around.
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