Vocabulary 1
Vocabulary 2
Magnetism
Key Concepts
Magnetic Field and Current
100
lines that map out the magnetic field around a magnet
magnetic field lines
100
Energy that is stored in an object or system
What is potential energy?
100
Magnetic fields run from
north to south poles
100
In the right hand rule, your thumb represents what?
Current
200
A push or a pull that can change the motion of an object
What is force?
200
Two like magnetic poles will...
What is repel?
200
A ____________ force can act upon objects at a distance.
What is a non-contact force?
200
In right hand rule, your fingers represent what?
Magnetic field
300
The space around a magnet in which magnetic forces can act on objects
What is a magnetic field?
300
Magnets have their atoms in specific organized arrangements. What are these called?
Magnetic domains
300
What happens when you cut / split a magnet?
Two new magnets are formed.
300
In a system of magnets, there is a _______ force between like poles and an ________ force between opposite poles
What is repelling and attracting?
300
What symbol represents into the paper/board?
An X
400
A ferromagnet is what type of magnet?
Permanent magnet
400
Magnets are found in nature as this type of material
Magnetite
400
Magnetic fields can be weakened by
heating up a magnetic
400
In an electromagnet - increasing the amount of loops of wire does what?
Increases the strength of the magnetic field
500
A paramagnet is what type of magnet? How are they formed?
A temporary magnet - can be formed by aligning or rubbing along a ferromagnet
500
One of the stronger types of magnets is made up of what type of material
Neodymium
500
Earth's magnetism is created by...
What is Earth's liquid outer iron core and Earth's solid inner iron core and the convection currents created
500
Eddy currents are formed by
a changing magnetic field creating an electric field which creates an opposing magnetic field
500
What was Oersted's discovery?
When a compass was placed near a circuit, the compass needles moved in the direction of a new magnetic field