What type of wave moves up and down?
Traverse Wave
A vibration
Can we see light in space? Why or why not?
Yes because it is an electromagnetic wave and does not require a medium to travel
A material that does not allow any light to pass through it
What do we call the light we can see? Think of the light spectrum.
Visible light
What is the difference between a mechanical and electromagnetic wave?
A mechanical wave requires a medium and an electromagnetic wave does not
How high or low a sound is
What happens when light is absorbed?
The light is soaked up
What is a transparent material?
A material that allows a light to travel through it completely.
What are radio waves used for?
Wavelength
How loud or quiet a sound is
What happens when light is reflection?
Light bounces off an objects surface because it cannot pass through it
What is a translucent material?
White
What does a wave transer?
Energy
What type of wave is sound?
A mechanical wave because it needs a medium to travel.
What happens when light is refracted?
It changes direction and makes the object appear bent
Is a window opaque, transparent, or translucent? Why?
Transparent. It allows all the light to pass through it and therefore we can see through it clearly.
Name two types of light on the light spectrum.
Radiowave, microwave, infrared, ultraviolent, x ray, gamma ray
What do you call the bottom of a wave?
The trough
What type of substance does sound travel fastest through?
What type of line do light waves travel in?
A straight line
Is a door opaque, transparent, or translucent? Why?
Opaque because it does not allow any light to pass through it
What color appears when all visible light is absorbed?
Black