15 questions
Why electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
Which statement about electric curent is correct?
It always flows clockwise
It gets used as it goes around the circuit
It flow in many directions at the same time
It always flows from the point where the electrical potential is highest to the point where it is lowest
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
What are the two ends of a battery called?
south and north
positive and negative
Santa and Reindeer