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Vocab Words
Properties of Light
How Light Travels
Light Behavior
Light and Colors
100
Define brightness
the intensity or strength of the light 
100
White light is a mixture of all the colors of the ________. 
rainbow
100
Light travels in a strait _________ away from the light source. 
line
100
If an object is ________ is passes through a material easily.
transparent.
100
What is the name we can use to remember the colors of the rainbow?
ROY G. BIV
200
define reflection
when light bounces back
200
The greater the distance of the light source, the _______ the brightness 
lesser
200
When light is reflected it ________ back from a surface. 
bounces
200
Give an example of a transparent object. 
Window, glass, plastic wrap.
200
If light passes through a __________ it can be separated into the colors that make up white light. 
prism
300
Define refraction
the bending of light as it passes from one substance to the other 
300
Give an example of an object that gives off its own light. 
Candle, the sun, flashlight
300
When light is refracted, the light wave is ______.
bent
300
a translucent material only allows _____________ to pass through. (Hint: two words)
some light
300

If an object is red, what colors does it reflect and absorb?

Red
400
Define translucent
when light partially passes through an object, and cannot be seen clearly
400
What does an object have to do in order to be visible?
It has to give off its own light. 
400
When light is refracted, it changes ___________.
direction
400
Give an example of a translucent material.
wax paper, frosted glass
400
Light travels in the form of ________.
waves
500
Define visible spectrum
The colors that make up white light: red, orange, yellow, green, blue, indigo, violet
500
Light is a form of _______ and is made up of many colors.
energy
500
When light is absorbed, it remains in the material as a form of _________.
energy
500
Define opaque and give an example. 
No light can pass through; mug, cardstock, door, book.
500
Which colors have faster wavelengths and which colors have slower wavelengths?
blue, indigo, and violet: faster wavelengths

Yellow, orange, red: slower wavelengths.