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WorksheetsMagnetism Oct 2017
Total questions: 28
Worksheet time: 47mins
Name
Class
Date
1.
Any magnet, no matter what shape has two ends called
a)
ice caps
b)
magnetic poles
c)
magnetic fields
2.
The magnetic fields
a)
are suspended
b)
repel
c)
spread out from one pole, curve around a magnet and return to the other pole
3.
This is a
a)
magnetized domain
b)
unmagnetized domain
4.
A ____________material shows strong magnetic effects
a)
nuclear
b)
polar
c)
ferromagnetic
5.
Like poles________each other
a)
attract
b)
repel
c)
don't effect
6.
Electricity is caused by the flow
a)
protons
b)
neutrons
c)
electrons
7.
Earth's magnetic field protects us from
a)
protons
b)
solar flares
c)
neutrons
8.
This is an example of...
a)
attraction
b)
repulsion
9.
When a bar magnet is broken in half, what is the result?
a)
One magnet with only N pole and another magnet with S pole
b)
Two S poles
c)
Two magnets with N and S poles
d)
The bar loses its magnetic properties
10.
All metals are attracted to magnets.
a)
true
b)
false
11.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
12.
A good conductor of electricity
a)
plastic
b)
rope
c)
copper
13.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets have a North and South pole
14.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
15.
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.
a)
wire, iron, electric
b)
electric, wire, iron
c)
iron, electric, wire
16.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
17.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
18.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
19.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
20.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
nuclear
21.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a)
lost, found
b)
created, saved
c)
created, destroyed
22.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
23.
Two objects rubbing against each other in opposite directions
a)
kinetic energy
b)
work
c)
friction
d)
elasticity
24.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
25.
Thermal energy transfers from
a)
cold to hot
b)
slow to fast
c)
hot to cold
26.
When a pot is touching a stove that is on, what heat transfer is happening?
a)
Convection
b)
Radiation
c)
Conduction
27.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
28.
Chemical symbol for Iron
a)
I
b)
Ir
c)
Fe
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