Basics of Magnets
Magnetic Fields
Magnets in Action
Earth and Magnets
Vocabulary
100
The invisible area around a magnet where it can push or pull objects is called this.
What is a magnetic field?
100
The lines that show the direction and strength of a magnetic field are called these.
What are magnetic field lines?
100
Two magnets are held together, released, and move away from each.
What is repelling magnets?
100
The Earth itself acts like a giant magnet because it has this inside.
What is Earth's liquid iron core?
100
the ability to make things move or change
What is Energy?
200
Magnets have two ends called this.
What are magnetic poles?
200
Magnetic field lines always come out of this pole first.
What is the north pole?
200
A magnet can make this type of metal object move without touching it.
What is a Iron?
200
The magnetic north pole of Earth is near this geographic location.
What is the Arctic?
200
the energy an object has because it is moving
What is Kinetic Energy?
300
The type of magnet that can attract iron but can also lose its magnetism is called this.
What is a temporary magnet?
300
The area around a magnet where a magnetic force can be felt is called this.
What is a magnetic field?
300
When a magnet is cut in half, it will create this.
What is two magnets, each with a north and south pole?
300
What natural phenomenon is caused by charged particles spiraling along Earth’s magnetic field lines?
A. Auroras
B. Volcanic lightning
C. Tides
D. Earthquakes
A. Auroras
300
to separate or set apart
What is Isolate?
400
Like poles of magnets do this when they are near each other.
What is repel?
400
A spaceship is traveling through space. Suddenly its speed increases. What can you say about the spaceships KE?
KE increases
400
This type of current creates a magnetic field around a wire.
What is electric current?
400
A compass needle points toward this.
What is north?
400
to change from one type to another
What is Convert?
500
Opposite poles of magnets do this when they are near each other.
What is attract?
500
In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward another magnet (Magnet 1) that cannot move. What happens to the potential energy in the system of magnets? 
The potential energy increases because Magnet 2 moves against the magnetic force.
500
This simple device uses a coil of wire and a magnet to make electricity.
What is a generator?
500
Earth’s magnetic field is believed to be caused by movements in this layer.
What is the inner core?
500
set of interacting parts forming a complex whole
What is System?