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| White light is a combination of light of all ____________ ________________. |
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| Black is the absence of __________. |
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| Objects that appear black reflect/absorb all frequencies. |
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| The ___________ of an object is due to the color of the _________ it reflects (if opaque) or transmits (if transparent) |
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| Light is absorbed/reflected when its frequency matches a natural vibration frequency of electrons in the material illuminated by the light. |
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| Color mixing by addition is the mixing of light of different ______________. |
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| The eye sees a combination of red, green, and blue light of equal brightness as _______________________. |
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| Red, green and blue are the _____________ primary colors. |
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| Color mixing by _______________ is the mixing of colored paints or dyes which absorb most frequencies except for the ones that give them their characteristic color. |
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| When paints or dyes are mixed, the mixture ____________ all the frequencies each paint or dye absorbs. |
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| Magenta, cyan, and yellow are the _______________ primary colors. |
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| Scattering of violet and blue frequencies of sunlight in all directions is what gives the sky its _________ _________ |
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| When sunlight travels a long path through the atmosphere, as at dawn or sunset, only the lower frequencies are transmitted (red, orange, yellow) the higher ones are scattered out. What are the highter frequency colors? |
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| Atoms of each ________________ have characteristic line spectra that can be used to identify the __________. |
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| Who was the first to make a systematic study of color? |
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| What did Newton call the spread of colored light that he got by introducing light into a prism? |
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| White light is what is produced by our ______________. |
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| Are the colors in the spectrum a property of the prism or of the light? |
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| White is the _________________ of all light frequencies. |
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| The material in the glass that selectively absorbs colored light is known as a ______________________ |
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| When green light shines on a red rose, why do the petals look black? |
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| The green light contains no red to be reflected by the rose so it appears to have no color at all, so it appears black. |
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| What color does a ripe banana appear when illuminated with red light? |
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| What color does a ripe banana appear when illuminated with yellow light? |
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| What color does a ripe banana appear when illuminated with blue light? |
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| Black, A yellow banana doesn't reflect blue. |
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| What color does white light minus green light appear? |
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| Name the three additive primary colors. |
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| Define: Complementary colors |
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| When two colors are added together to produce white |
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| If red + green = yellow, what is the complementary color to yellow? |
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| If blue + green = cyan, what is the complementary color to cyan? |
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| What color does red light plus blue light make? |
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| Name the three subtractive primary colors. |
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| Name the process: To absorb sound or light and re-emit it in all directions. |
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| Distant dark mountains are bluish in color. What is the source of the blueness? |
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| Very little light from the distant dark mountains reaches you so you see the blueness of the atmosphere between you and the mountains. |
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| Pattern of distinct lines of color, corresponding to particular wavelengths that are seen in a spectroscope when a hot gas is viewed is called a _______ __________. |
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