Magnetic Field Shapes
Earth's Magnetic Field
Magnetic Fields & Electric Currents
100
The area of magnetic force around a magnet.
What is: Magnetic field
100
A device that has a magnet on a needle that spins freely.
What is: A compass
100
Scientist who concluded that electricity and magnetism are related.
Who is: Hans Christian Oersted
200
Lines that map out the invisible magnetic field around a magnet.
What are: Magnetic field lines
200
Why does a compass's needle point north?
What is: Earth has a magnetic field around it and two magnetic poles.
200
What happens when there is no current in a wire?
What is: The compass points north.
300
When the magnetic fields of two or more magnets overlap.
What is: A combined magnetic field.
300
Hot, swirling liquid that makes up Earth's outer core.
What is: Iron
300
What does an electric current produce?
What is: A magnetic field
400
The angle between geographic north and the north to which a compass needle points.
What is: Magnetic declination
400
The relationship between electricity and magnetism.
What is: Electromagnetism
500
Where is the magnetic field is strongest?
What is: The poles
500
The relationship between a North and South Pole.
What is: They attract each other.
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