WorksheetsMagnets
Total questions: 29
Worksheet time: 30mins
Which diagram shows the magnetic field pattern around a bar magnet?
Reorder the following steps in identifying which block is iron, which is a permanent magnet and which is aluminium
A permanent magnet will have no effect
Aluminium
Can be repelled by one end of another permanent magent
Permanent Magnet
Will be attracted to the permanent magnet
Iron
Reorder the following steps to use the electromagnet to pick up a block and then release it
Turn on the switch to complete the circuit
The electricity in the wire will magnetise the iron core
The metal block will be attracted to the electromagnet
The crane mores the block to a new position
Turning off the switch will turn off the electromagnet and release the block
Magnetic force is a non-contact force.
Which two of these are also non-contact forces?
Tick 2 Boxes
Air Resistance
Electrostatic
Friction
Gravitational
Tension
Which letter shows the position where the magnetic field around the bar magnet
is strongest?
A
B
C
D
Magnets demonstrate a force of attraction when (a) poles are brought near each other. The force of repulsion is demonstrated when (b) poles are brought together.
The paperclips become magnetised when they are close to the permanent magnet.
What is the name of this type of magnetism?
Forced
Induced
Strong
Label the north and south end of the paperclips
Which two metals will be attracted to a magnet?
Iron
Steel
Aluminium
Copper
Tin
If the paper clip was taken off and placed near the south pole it will be (a) because it is an (b) magnet and not a (c) magnet.
Why does the compass always point in the same direction when it is not near
a magnet?
The compass is not magnetic.
The Earth has a magnetic field.
There is no force acting on the compass.
What material could the needle of the compass be made of?
Aluminium
Copper
Plastic
Steel
Which statement describes the magnetic field around the coil?
The field has the same strength at all points
The field is stronger further away from the coil.
The field is strongest at the ends of the coil.
Give the direction of the magnetic field at each point
A (a)
B (b)
C (c)
D (d)
Categorise the changes to whether they will increase or decrease the strength of the magnetic field
Increase the current
Decrease the current
Increase the number of turns
Insert an iron core
Decrease the number of turns
Use a copper core
Which diagram shows the correct magnetic field pattern for a bar magnet?
Label the poles of the induced magnet
The magnet is turned around so that the north pole is closest to the iron bar. Which statement about the iron bar is true?
The iron bar does not experience a magnetic force
The iron bar experiences a magnetic force of attraction.
The iron bar experiences a magnetic force of repulsion.
Which two of the following types of metal would be attracted to the electromagnet?
Tick () two boxes.
Aluminium
Copper
Magnesium
Nickel
Steel
What is an advantage of using an electromagnet instead of a permanent magnet to separate the types of metal?
An electromagnet attracts more types of metal than a permanent magnet.
An electromagnet can be switched on and off
An electromagnet transfers less energy than a permanent magnet.
What is the purpose of the iron nail inside the coil of wire?
The iron nail makes the magnetic field stronger.
The iron nail reduces the magnetic field to zero.
The iron nail reverses the magnetic field.
Which of the following would increase the strength of the electromagnet?
Use a greater current.
Use a shorter nail.
Use a thinner wire.
Why are the iron filings attracted to the bar magnet?
Iron is a metal.
Iron is charged.
Iron is heavy.
Iron is magnetic.
The magnets attract each other.
What conclusion can be made about the two poles marked X and Y?
They are both north poles.
They are both south poles.
They are opposite poles.
Before the current is turned on the compasses line up because of the (a) magnetic field
When the switch is closed there is a current in the wire.
The current creates a magnetic field.
What shape are the magnetic field lines around the wire?
Circular
Rectangular
Square
Triangular
The student recorded the reading on the newton meter for several different distances
The current in the electromagnet was the same for each distance. The current is the (a) variable
From the diagram what is the reading on the newtonmeter?
(a)
The distance between the paper clip and the electromagnet is increased, this (a) the downward force of the paperclip.
