Poles
Kinetic & Potential Energy
Light waves
Field Lines
Vocabulary
100
One of the two opposite ends of a magnet.
magnetic pole
100
The energy that an object has because it is moving
kinetic energy
100
The height of the wave is called the _______.
amplitude
100
What are magnetic field lines?
Lines that connect opposite magnetic poles and represents the strength and direction of the magnetic field.
100
To pull objects toward one another.
attract
200
What are the names of the poles on a magnet?
North and South
200
Energy that is stored in an object or a system.
Potential Energy
200
The amplitude of a wave determines its _______.
intensity or strength
200
What is the magnetic field?
The space around a magnet in which magnetic forces can act on an object.
200
To push objects away from each another.
repel
300
True/False:
Magnets both repel and attract
True:
Magnets both repel and attract depending on their positions.
300
Which of the following has kinetic energy?
A book on a shelf
A girl sprinting
A stretched spring
A girl sprinting.
300
The distance between two crests on one wave is called ________.
wavelength
300
What direction do field lines move in?
North to South
300
An object, a diagram, or computer program that helps us understand something by making it simpler or easier to see.
What is a model?
400
What happens when like magnetic poles are lined up?
They repel each other.
400
True/False:
A stretched rubber band has potential energy
True
400
If you scream in outer space, why can no one hear you?
Outer Space does not have the medium that sound waves require to travel through.
400
True/False:
You can see magnetic field lines with the naked eye?
False:
It takes technology to see magnetic field lines.
400
The ability to make something move or change.
What is energy?
500
What happens when opposite magnetic poles are lined up?
They attract each other.
500
A bowling ball and a ping-pong ball are on the same desk, which has more potential energy?
The bowling ball.
500
List all of the types of light the sun emits.
Gamma rays, X-rays, Ultraviolet, visible (the colors), infrared, microwave, radio waves.
500
Are these magnets repelling or attracting each other?
Attracting.
500
A push or pull that can change the motion of an object.
What is force?