What is light?
Light is a form of ___________.
energy
What are the three properties of light?
Brightness, __________, and __________
Brightness, Color, and Visibility
When light is separated into the different colors of the rainbow, the different colors are called the _______.
spectrum
What happens when light is absorbed?
The light does not pass through or reflect from a material.
Reflection is _____________.
Reflection is when light bounces back from a surface.
What are three examples of light energy?
Sun, fire, lightbulb
When light passes through a _________ it can be separated into the different colors of the rainbow.
prism
Brightness is ______________.
Brightness is the amount of light that is seen.
When light enters a prism, it ________ , causing the speed of light to slow down and reveal the colors of the rainbow.
slows down
What happens when light strikes a translucent material?
Some of the light passes through. You can see through the material, but you can not identify the details of the object.
How does light travel?
in a straight line
Why is the sun visible?
it is a source of light
Why is the moon visible?
it reflects the sun's light
What is refraction?
Refraction is when light passes from one type of transparent material to another, and the light bends.
Light reflects off of what type of materials?
smooth, shiny materials
What is a form of energy that is made of many colors?
Light
What happens to the visibility of an object when a light source moves away from that object?
White light is made up of what colors?
red, orange, yellow, green, blue, indigo, violet
Why do you see the color blue when looking at a blue shirt?
It reflects blue light and absorbs all other colors of white light.
What happens when light strikes an opaque material?
light is either reflected or absorbed
Energy is the ability to make something _________, happen, or _________.
Energy is the ability to make something move, happen, or change.
What is one way to remember the colors of the spectrum?
ROYGBIV
What are four examples of objects that give off their own light?
Sun, candle, flashlight, lightning bug
What is a transparent material? Give three examples of a transparent material.
A transparent material lets all light pass through it. You can clearly see an object on the other side of it.
3 examples: glasses, water, sandwich bag
What color do you see when all light is absorbed into a material?
Black