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WorksheetsNatural Science - Unit 6: MAGNETISM
Total questions: 20
Worksheet time: 14mins
What is a magnet?
A metal that can be attracted
Any object which has a magnetic force
A mixture of different substances
A permanent magnet is...
A magnet made of material that always keeps its magnetism
A temporary magnet that gives off a magnetic force for a period of time.
Those which are found in nature, like magnetite
A induced or temporary magnet is...
A magnet that always keeps its magnetism
A magnet found in nature.
A magnet that gives off a magnetic force for a period of time.
Which of the following materials are magnetic?
Nickel
Paper
Iron
Gold
Silver
How is this area of magnetic force called?
Magnetic poles
Magnetic field
Atoms
When you put iron filings around a magnet, the effect produced is called...
field lines
compass
electromagnetism
Magnets ATTRACT each other with...
opposite charge (different pole)
same charge
They cannot attract each other
Magnets REPEL each other with...
same charge
opposite charge (different pole)
They cannot repel each other
How is this part of Earth's magnetic field called?
Geographical North Pole
Magnetic North Pole
Iron core
Magnetic field
Check the reasons why Earth's magnetic field is so important for us
It protects the atmosphere by deflecting UV rays
It helps us to be tanned when we go to the beach
It prevents us from radiation
It deflects particles from solar wind
A compass is...
an instrument to measure objects
an instrument without magnetic properties
an instrument containing a magnetized needle
It doesn't exist
Solar wind is...
the wind coming from the sun that permeates movement of trees
the continuous flow of atoms around the Earth
the continuous flow of charged particles from the sun that permeates the solar system
An atom is...
The biggest unit of mater
The smallest unit of matter
A whole of different particles
What kind of circuit can you see in the picture?
closed circuit
open circuit
semiopen circuit
Check on the true sentences
All metals are magnetic
All magnets produce a magnetic field with field lines that are stronger at the poles.
You can test if a metallic object is a magnet by seeing if it is attracted to another known magnet
A compass works because the Earth's iron core produces a giant magnetic field
Electromagnets cannot be made stronger
How can we use magnets to spot fake jewellery?
It it is attracted or repelled by a magnet, we know it is not real gold or silver. Gold and silver are not magnetic
Using a paper clip and watching if it acts like a magnet or not.
All metals are magnetic
A electromagnet is...
the magnetic field created by forcing electrons to move in different directions.
An instrument to know the amount of electricity on a magnet
the magnetic field created by forcing electrons to move in the same direction.
Choose the correct word to fill the gap:
The mineral ________________ is a type of magnet
magnetic
magnetite
magnet
magnetise
Choose the correct word to fill the gap:
___________ is an object's ability to attract certain metals
magnetism
magnetic
magnet
magnetite
Choose the correct word to fill the gap:
It is possible to ________________ a etal and make a temporary magnet by running an electric current through it.
magnetise
magnet
magnetic
magnetism
