Light
Electromagnetic Waves.
or EM Waves
True or False:
Light waves travel the same speeding through all mediums
False
300,000,000 m/s is also know as the ______ of _________.
speed, light
Any surface that can reflect light to form an image of an object is called a ________
Mirror
What are the 3 colors of light our eyes only register?
red, green, blue
The longest wavelenghts are seen as which color on the visible light spectrum?
Red
transverse
The distance a wave travels in one second is called the __________of that wave
Speed
A piece of glass or other transparent object that refracts light and produces an image is called _____________
Lense
What characteristic to all electromagnetic waves have in common?
They all travel at the speed of light
The shortest wavelengths are seen as which color on the visible spectrum?
Violet
Which EM waves has the highest frequency and energy?
Gamma Rays
Different colors that can be seen make up the ______________
Visible spectrum
Refraction is the _____________ of light as it passes from one medium to another
refraction
Why wouldn't you want to wear black on a hot day?
Black absorbs all colors of light and will absorb more heat
What is the order of the visible light spectrum?
ROY G BIV
Red, orange, yellow, green, blue, indigo, violet.
Where do Electromagnetic waves come from?
the sun and other sources
_____________objects do not allow any light to pass through them
Opaque
Name one way electromagnetic waves differ from each other
Frequency or wavelength
A _________ can split white light into its component colors, separating the colors by wavelength.
Prism
What color do we see when all light is reflected?
White
A convex surface curves ___________ and makes things look _____________
outward, smaller
Why do we see lightning before we hear the accompanying thunder?
Light travels faster than sound.
The full range of wavelengths of EM waves in order of wavelength is called the __________ __________.
Electromagnetic Spectrum
Why do we see a red apple as red?
Red is not in the apple. The apple reflects the red wavelength and absorbs all other wavelengths.