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WorksheetsElectricity and Magnetism
Total questions: 26
Worksheet time: 16mins
What is static electricity?
build up of electric charges on an object
flow of electrons along a complete path
In regards to electrical charges, like charges ______________ and unlike charges _______________.
attract; repel
repel; attract
attract; attract
repel; repel
What is current electricity?
build up of electric charges on an object
flow of electrons along a complete, closed path
Which option is NOT an example of current electricity?
lamp lighting a room
toaster oven cooking food
balloon sticking to your hair
alarm clock going off
Which option(s) are TRUE about closed circuits?
path is complete
path is NOT complete
electricity will flow
electricity will NOT flow
Which options are TRUE about open circuits?
path is complete
path is NOT complete
electricity will flow
electricity will NOT flow
What are the THREE components necessary to form an electrical circuit?
power source
load (which uses the electricity)
transformer
path for the electrons to flow
What are conductors?
materials that allow electricity to flow easily through them
materials that do NOT allow electricity to flow easily through them
What are insulators?
materials that allow electricity to flow easily through them
materials that do NOT allow electricity to flow easily through them
Which option is NOT an example of an insulator?
iron
plastic
wood
rubber
Which option is NOT an example of a conductor?
cobalt
water
nickel
wood
What is the purpose of the plastic coating around electrical cords?
helps prevents shocks by insulating the electricity
prevents the electricity from going on the right path
used as a conductor to redirect the electricity to the ground
What is a series circuit?
current has only one path to take
electricity flows along MORE THAN ONE pathway
What is a parallel circuit?
electricity flows along a SINGLE pathway
electricity flows along MORE THAN ONE pathway
How many poles do bar magnets have?
FOUR; North, South, East, and West
TWO; North and South
What happens when LIKE poles of a bar magnet get near each other?
they attract
they repel
What happens when UNLIKE poles get near each other?
they attract
they repel
Where is the force of a magnet the strongest?
the poles
east side
west side
all sides, including the poles
Which option(s) are TRUE about bar magnets?
bar magnets need electricity
bar magnets DO NOT need electricity
have TWO poles
are permanent magnets
Which option(s) are TRUE about electromagnets?
they need electricity
they do NOT need electricity
have two poles
are temporary magnets
