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
What two things happen during refraction?
light changes directions
light changes speed
Light moves in a ______ ________.
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 both _______ and ______.
refraction and reflection
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
What is the name of the object that can refract light (3D triangle)
prism
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 30 seconds
When you look at an apple, you see red. Why
Red is being reflected
What is the ability of light to cause change (such as heating an object)?
light energy
When light hits an opaque object, it is either ______ or ________.
reflected or absorbed
What are the colors of the visible spectrum?
red, orange, yellow, green, blue, violet (ROYGBV)
_________ causes the sun to look flat.
refraction
Light travels ________ than sound.
faster