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35 Cards in this Set
- Front
- Back
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the top of a light wave
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crest
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the cause of sound
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vibrations
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the frequency of sound
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pitch
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band of colors that make up sunlight
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visible light spetrum
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a coloring matter
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pigment
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bend
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refract
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186,000 miles per second
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speed of light
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trigangular, transparent solid that separates the colors of light
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prism
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light refracted into the spectrum by raindrops
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rainbow
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reflects all colors of light
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white
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true or false
if you look at a white object though a glass of any color, it must appear to remain white |
false
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true or false
mixing blue and yellow light will produe the same color as mixing blue and yellow pigment |
false
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true or false
the rainbow and the spectrum have the opposite colors |
false
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which part of the ear carries sound messages to the brain?
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nerve
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how fast do sound waves travel under normal conditions?
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1100 feet each second
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a policeman's whistle has a:
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high pitch
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a microwave oven produces energy waves which are:
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longer than visible light
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why is red the last color seen at sunset?
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it is scattered the least by the air
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when an object absorbs all the light that falls on it, it will appear:
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very dark
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a loud explosion will prouduce a ___ amplitude sound wave
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big
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the limited portion of the electromagnetic spectrum which can be seen by the human eye is called
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visible light
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light which bounces off the surface of an object is called
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reflect
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as white light passes through a prism the light is
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bent
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a triangular-shaped, transparent solid is known as a
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prism
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the color which is bent the least by a prism is
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red
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the atmosphere can produce the same effects as a _____ when the sun is low in the sky
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prism
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the color of any object depends upon which colors are _______ and _______
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refected and absorbed
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mixing red and yellow pigment will produce the color
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orange
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there is no sound in the vacuum of space. why?
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*sound must travel through something that vibrates.
*there is no air to vibrate a human eardrum |
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The visible light colors from shortest to longest wavelength
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violet
blue green yellow orange red |
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BLACK
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A mixture of the primary colors of pigments
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WHITE
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A mixture of the primary colors of light
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The Visible Light Spectrum
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Visible white light separated into colors.
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the Electromagnetic Spectrum
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All the visible and invisible radiations.
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Pitch
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The highness or lowness of a sound.
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