Worksheetslets play
Total questions: 113
Worksheet time: 5hrs 31mins
The magnetic ____________ around a bar magnet is shown above.
legs
flowers
field
direction
The Earth produces its own ________ field.
spectrum
electric
magnetic
progressive
A compass points toward the south pole of Earth's magnetic field, located near the Earth's geographical ________.
north
south
east
west
In magnetic materials, all of the ________ are pointing in the same direction.
doors
electrons
domains
orbits
If two magnets are close together, the magnetic force will be ________.
smelly
weak
strong
positive
What is the name of this device?
electric circuit
generator
electromagnet
electric motor
What happens in an electromagnet?
Mechanical energy produces an electric field
Mechanical energy transforms into electrical energy
Electrical energy produces a magnetic field
Electrical energy transforms into mechanical energy
When electricity to an electromagnet is stopped, what happens to the strength of the magnet?
The magnetism stays the same
The magnetism decreases
The magnetism increases
The magnetism stops
Which energy transformation is found in generator?
Chemical energy to Electrical energy
Chemical energy to Mechanical energy
Electrical energy to Mechanical energy
Mechanical energy to Electrical energy
What type of machine converts electrical energy to mechanical energy using magnetism?
Turbine
Motor
Generator
Electromagnet
What is created by the flow of electric current?
A magnetic field
A transformer
An electric field
A battery
Which part of the power plant rotates when pushed by wind, water, or steam to help the generator create power for future use?
Electromagnet
Turbine
Gasoline
Motor
Which of the following would be attracted to a magnet?
ping pong ball
iron needle
rubber band
penny
Does a magnet attract or repel to an aluminum can?
repel
attract
What two poles attract to each other?
north and north
south and south
east and west
north and south
What happens when the same poles are pushed together?
The poles will repel.
The poles will attract.
The poles will float.
The poles will sink.
What is a pole on a magnet?
a place on a magnet where magnetism is
strongest.
a plastic toy and rubber band
an iron nail
a bolt
What will happen when a magnet is brought close to a jar filled with paper clips.
The paper clips will not move.
The paper clips will jump out of the jar.
The paper clips will move towards the magnet.
The magnet will repel the paper clips.
What kind of objects are attracted to magnets?
A.) Most metal objects
B.) All metal objects
C.) Most wooden objects
D.) Most plastic objects
When a magnet pulls an object closer to itself it is ...
A.) Repelling the object
B.) Insulting the object
C.) Doing nothing to the object
D.) Attracting the object
What does repelling mean?
A.) Pulling towards
B.) Pushing away from
C.) Dropping down a cliff with a bungee cord
D.) Swinging around in circles
What does the Earth have to do with magnets?
A.) The Earth IS a giant magnet.
B.) The Earth is magnetically attracted to the Sun.
C.) Nothing. This is a silly question.
D.) Magnets are found on the Earth?
Are magnets more powerful close up or farther away?
A.) Definitely more powerful close up!
B.) Definitely more powerful far away!
C.) Distance doesn't matter.
D.) Magnets only work at a distance of 2 centimeters.
What are the components of the electromagnets?
battery, wire and bulb
battery , copper wire and plastic bottle
battery, copper wire and iron nail
battery, wire and aluminum
compass
magnetic field
A magnet cannot move which of the following objects?
a paper clip
a nail
a toothpick
a staple
When two magnets repel, they ________________
change color
pull together
push apart
get colder
What is a magnet?
a piece of rubber that draws plastic
a piece of material or rock that attracts other metals
a pole that attracts trash
a push or a pull
Name the poles on a magnet
North Pole & East Pole
East Pole & West Pole
South Pole & West Pole
North Pole & South Pole
What type of magnet is this?
a bar magnet
a "U" magnet
a horseshoe magnet
a stick magnet
A _________________________ is the invisible force that surrounds a magnet.
bar magnet
a gravitational force
a magnetic field
gravity
When the north pole of one magnet is put near the south pole of another magnet they
repel
flip
fall
attract
A magnet pushes or pulls objects made of
wood
iron
plastic
cooper
All metals get attracted towards a magnet
true
false
A magnet gets demagnetised when it is
not stored properly
heated
dropped from a height
all the above
________________ is a natural magnet.
Magnetite
Electromagnet
temporary magnet
None of these
What happens when two north poles of a magnet are placed together?
they repel (push away)
they attract (pull together)
they cancel each other out
the strength of the magnet is doubled
Where is the strongest attraction force of the magnet?
at the poles
in the middle
above the magnet
below the magnet
A magnetite is a natural magnet found in nature
true
false
A permanent magnet
always has a magnetic force
has a magnetic force for a period of time
Every magnet creates its own magnetic field
which doesn´t affect neighbouring objects
which affects neighbouring objects
Magnetism is a property that allows the objects to attract or repel.
True
False
Magnets have two poles ...
East and West poles
North and South poles
East and South poles
If you put any two magnets together, there are two possible options ... (tick)
Opposite poles repel each other
Opposite poles attract each other
Identical poles repel each other
A magnetic (a) is the area that fills a space where a magnetic force works (write the word)
True or False: All metals are attracted to magnets.
True
False
Magnets can be ... (tick)
permanent magnets
induced magnets
natural magnets
iron magnets
plastic magnets
Gold and silver are not magnetic
False
True
Our planet is a magnet because ... (tick)
its core is filled with hot water
its core is filled with hot, liquid iron
its core is filled with a liquid magnet
Are the magnetic poles and the geographical poles the same?
Yes, they are
No, they aren´t
A compass is a navigatonial ... that uses a magnetised needle. (write the word)
(a)
In a compass you can see ... (tick)
the four cardinal points
only the north and the south points
the degrees
only the west and the east points
A compass always points the Earth´s magnetic .... .... (write two words with capital letters)
(a)
Can you switch an electromagnet on and off?
Yes, you can
No, you can´t
An electromagnet ...
Always acts like a magnet
Acts like a magnet sometimes
Acts like a magnet when an electric current flows through it
A magnet is ...
any object which has electricity
any object which has a magnetic force
any object in nature
