Light 1
Light is ________
energy
What is the change in the direction of waves as they bounce off a surface?
reflection
The color you see after light hits an object is the wavelength of light that has been _________.
reflected
Which color has the shortest wavelength in the visible spectrum and the most amount of energy?
violet
If you want to be warm on a cool day, what color sweater should you wear?
black
Light can be identified as a small particle called a _____ and moves in a ______ ________.
ray
straight line
What is the bending of waves as they travel at an angle from one object to another?
refraction
An object that allows almost ALL light to pass through it is-
transparent
Which color has the longest wavelength in the visible spectrum and the least amount of energy?
red
A rainbow is an example of __________
refraction
A concrete wall or wood would be an example of an _________ object.
opaque
______________________ determines the color of light.
wavelength
Light travels more slowly through water than air, so when looking at a pencil in a glass of water, it looks broken. As light passes from one material to another, it is ______
refracted
An object that lets NO light pass through it is-
opaque
_________________ is the separation of light.
A shower door or wax paper would be an example of a ___________ object.
translucent
A clear window or glass of water would be an example of a _________ object.
transparent
An object that allows SOME light to pass through it is-
translucent
Light travels from the sun to the Earth in less than-
8 minutes
__________ cause the dispersion (separation) of light.
prisms
What is the ability of light to cause change (such as heating an object)?
light energy
When light hits an opaque object, it is ________.
absorbed
What are the colors of the visible spectrum?
red, orange, yellow, green, blue, indigo, violet (ROYGBIV)
_________ causes the sun to look flat.
refraction
Light travels ________ than sound.
faster