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WorksheetsMagnets
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
A ___ is any material that attracts iron or objects made of iron.
a)
magnet
b)
rock
c)
gravity
d)
liquid
2.
Materials that can be turned into a magnet are called _____. These include iron, nickel, cobalt, or mixtures of these materials.
a)
domains
b)
rocks
c)
ferromagnets
d)
solids
3.
Materials which can be made into magnets for a short period of time when placed in a strong magnetic field are called _
a)
gas
b)
temporary magnets
c)
plastic
d)
conductors
4.
An iron core is wrapped in electrical wire. When the electric current is turned on, a strong magnet is created called a ______
a)
cobalt magnet
b)
rock
c)
electromagnet
d)
domain
5.
Another name for a magnet found in nature is
a)
metal
b)
pumice
c)
a marble
d)
magnetite
6.
An example of a temporary magnet is
a)
a horseshoe magnet
b)
a scissors which has been magnetized
c)
a piece of magnetite
d)
a plastic spoon
7.
The ends of a magnet are called the
a)
terminals
b)
poles
c)
light bulbs
d)
batteries
8.
Unlike poles (NS or SN)________________ each other
a)
attract
b)
repel
c)
magnify
d)
melt
9.
Iron, cobalt, and nickel are the metals which are
a)
the three most common magnetic substances
b)
most easily melted
c)
electric insulators
d)
used in making slushies
10.
The area around a magnet which is affected by its magnetism is the
a)
magnetic curtain
b)
magnetic gas
c)
sum of 5 + 3
d)
magnetic field
11.
In a magnet the ______________________ line up in the same direction.
a)
leaders
b)
domains
c)
nails
d)
wires
12.
When a magnet breaks into smaller pieces, the pieces are
a)
not magnets
b)
still magnets
c)
exploded
d)
turned into batteries
13.
What three things did we need to make an electromagnet?
a)
iron core, wire, power source
b)
wire, swtich, water
c)
iron core, lemon, wire
d)
power source, Olympic gold medal, wire
14.
The beautiful displays of light that can be seen at northern lattitudes related to the Earth’s magnetic field.
a)
Aurora Borealis
b)
Holiday lightrs
c)
flashlights
d)
fuses
15.
An electromagnet can be made stronger by
a)
more power and an insulator
b)
more coils and more power
c)
a longer wire and more water
d)
a green wire and a switch
16.
Magnets can be used for
a)
holding refrigerator doors shut
b)
holding papers on a white board
c)
holding pins for sewing
d)
all of the above
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