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Color and the Electromagnetic Spectrum
Terms in this set (63)
To take in matter or energy
The study of the properties and behavior of bodies in outer space
A property of an object that depends upon the wavelengths of light reflected by the object
Electromagnetic energy that has a lower frequency than visible light and is beyond the color of red on the light spectrum
A measure of distance from one point to another in a straight line
That form of energy that animals can see directly; visible electromagnetic radiation
A material that reflects a particular color of light; can be used to change the color of other materials
A triangular piece of clear glass or plastic that can separate white light into different colors
To bend light as it passes through a material
A range of electromagnetic frequencies
A measure of how hot or cold a substance is
A type of electromagnetic radiation that has a higher frequency than violet light
A disturbance caused by a vibration
The distance between one peak and the next on a wave
Towards what color in the spectrum will the lines shift for a star moving 200km/s away from earth through the element of hydrogen?
Line will move towards the red.
The faster a star moves what happens to the line in the spectrum?
The faster a star moves the further the line shifts
When does a rainbow occur?
When visible light passes through falling rainwater.
What is visible light?
It's electromagnetic radiation that falls within a specific range of specific wavelengths of the electromagnetic spectrum.
The sun emits energy in the form of what?
The sun emits energy in the form of Waves
What do electromagnetic waves contain?
Both electrical & magnetic properties
How do electromagnetic waves travel?
They travel with different frequency and wavelengths
What is the speed of light?
It's the maximum speed that energy OR matter can travel 3 x 10 to the eighth power
How does a prism work?
White light enters the prism as a strait line then bends and exits as a color
Black is the what of color?
It's the absence of color
What is white color?
Every single color R, O,Y,G,B,I,v
Infrared waves can be absorbed by what?
Water and carbon dioxide
Do most radio waves penetrate the atmosphere?
How does the surface of a material affect the color of the material
Most materials absorb some wavelengths of light & reflect other wavelengths. The reflect light determines the color
What are the primary colors of pigments that give you every color imaginable
Red, yellow, blue
Primary colors of light?
Red, green, blue
Red and green give you
Are the primary colors of light & pigments the same?
No, pigments = red,blue, yellow
Light = red, blue, green
Most light in the world comes from the? How does to travel?
Sun, in waves
What is visible light
Electromagnetic waves that we can see
When you shine light on a surface what causes it to look light?
Because the more colors you shine on the surface the brighter itgets
What is the average color of the universe?
White is the average color
What is light made out of?
Wave and particles
What can change the shade of a color?
The brightness of light can change the shade of color
What 2 parts of the human body work together to let us perceive each frequency of visible light as ?
It's the human eyes & brain work together
The frequency of light increases from what color to what color?
From red to violet
What determines the color of the surface of a material
It's the reflected light of the wavelengths that determines the color
The process of creating different colors by combining three or four primary colors is called what?
In the spectrum of colors what color travels the fastest and which one is the slowest
Red is the fastest and Violet is the slowest
Would light travel faster through water or air
Travels faster in air
How does the color of light relate to its frequency and wavelength?
For electromagnetic waves the frequency and wavelength of the wave are inversely related. This means the waves with low frequency have longer wave length, waves with high frequency have short wave lengths. The color of the light is determined by the frequency of the light wave. Red, is lowest, frequency and violet is the highest.
What is an electromagnetic spectrum?
The electromagnetic spectrum is the entire range of electromagnetic energy.
When a piece of metal heats up and glows, it gives off light waves and_____?
Name a form of energy on the electromagnetic spectrum
X-ray, radio waves( lowest frequency), gama rays ( highest frequency), micro waves
Electromagnetic waves such as TV signals that have a greater wavelength than microwaves are called______?
Which part of an object determines the colors of light reflects
Which object the reflects a lower frequency of light, red, yellow, green, or blue object?
Insects can see colors from blue to those that go beyond violet on the color spectrum. This means that they see________
They see a higher frequencies than humans see
What color is produced when red light combines with greenlight
When you hold a red card in your hand what color of light is not being absorbed by the card?
What is the amplitude of a wave?
Light is made up of what type of particles.
What is the distance between two neighboring wave crest called?
Light travels through space at 300,000 km/s and it can have different frequencies because_______?
Because light frequency is determined by how long or short the waves are
Light is made up of particles called photons but it also behaves as____?
It behaves as Wave energy
When light travels through different media such as air, water, or glass how does it ?
It travels at different speeds depending on the type of material it passes through
What are infrared waves and how do they compare to visible light waves?
Infrared waves are next to visible light waves on the electromagnetic spectrum. Infrared waves have lower frequency and longer wavelengths than visible light.
What are ultraviolet waves and how do they compare to visible light waves?
Ultraviolet waves or UV rays are next to visible light waves on the electromagnetic spectrum. UV rays have higher frequencies and shorter wavelengths than visible light.
What are the wave properties of light energy?
Light energy travels as a wave. Some properties of lightwaves include frequency, wavelength, and amplitude
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