Lesson 6.7.1.2
6.7.1.2 Magnetic fields Quiz: AQA Combined Science, Unit 24
20 questions
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Lesson 6.7.1.2, Magnetic fields: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 24: Magnetism and electromagnetism, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is a magnetic field?
- Area of high heat
- Region where force acts
- Path of electric current
- Zone of trapped air
-
Which group consists entirely of magnetic materials?
- Iron, steel, cobalt, nickel
- Iron, copper, silver, tin
- Copper, zinc, gold, lead
- Steel, brass, aluminium, gold
-
What is the force between a magnet and an unmagnetised magnetic material?
- Zero force
- Always attraction
- Sometimes repulsion
- Always repulsion
-
What does the strength of a magnetic field depend on?
- Distance from magnet
- Mass of the observer
- Colour of the casing
- Air pressure
-
Where is the magnetic field of a bar magnet strongest?
- Halfway along
- At the centre
- In the middle
- At the poles
-
What defines the direction of a magnetic field at any given point?
- Force on north pole
- Flow of thermal energy
- Direction of gravity
- Speed of light
-
In which direction do magnetic field lines outside a bar magnet run?
- Centre to pole
- South to north
- North to south
- Pole to centre
-
What is contained inside a standard magnetic compass?
- Radio transmitter
- Small bar magnet
- Charged plastic rod
- Coil of wire
-
What does a magnetic compass needle align with when stationary?
- True geographic north
- Atmospheric pressure
- Earth's magnetic field
- Solar radiation
-
What does the behaviour of a magnetic compass provide evidence for?
- Molten mantle currents
- Atmospheric magnetism
- Magnetic Earth core
- Hollow Earth
-
What equipment is used to plot the magnetic field pattern of a bar magnet?
- Light sensor
- Magnetic compass
- Ammeter
- Voltmeter
-
How does a compass needle line up when placed near a bar magnet?
- Along field line
- At random angles
- Towards the centre
- Perpendicular to field
-
What do closer magnetic field lines indicate about the magnetic field?
- Zero force
- Reversed polarity
- Lower field strength
- Greater field strength
-
How do field lines behave when two like magnetic poles are brought together?
- Run straight
- Curve away
- Join together
- Form loops
-
Why do iron filings line up along a bar magnet's field lines?
- Permanent magnetism
- Electrostatic charging
- Gravitational pull
- Induced magnetism
-
(Harder) A compass at point P near a magnet points north-east. The magnetic field at P is:
- South-west
- South-east
- North-east
- North-west
-
Which Earth magnetic region attracts a compass needle's north-seeking pole?
- Geographic north pole
- Magnetic south pole
- Equator
- Magnetic north pole
-
The Earth's magnetic field resembling a bar magnet suggests what feature?
- Hollow interior
- Charged atmosphere
- Solid iron crust
- Magnetised core
-
What shape do magnetic field lines form around a bar magnet?
- Concentric circles
- Straight rays
- Spiral spirals
- Continuous loops
-
What type of force always acts between a permanent magnet and unmagnetised iron?
- Always attraction
- No force
- Always repulsion
- Attraction or repulsion
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