Sorensen Chapter 28 Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Spectrum | For sunlight and other white light, the spread of colors seen when the light is passed through a prism or diffraction grating. In general, the spread of radiation by frequency, so that each frequency appears at a different position.
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| White Light | Light, such as sunlight, that is a combination of all the colors. Under white light, white objects appear white and colored objects in their individual colors.
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| Pigment | A material that selectively absorbs colored light.
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| Additive Primary Colors | Red, blue, and green light. These colors when added together produce white light.
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| Complementary Colors | Two colors of light beams that when added together appear white.
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| Subtractive Primary Colors | The colors of magenta, yellow, and cyan. These are the three colors most useful in color mixing by subtraction.
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| Scattering | A process in which sound or light is absorbed and remitted in all directions.
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| Excited State | A state with greater energy than an atom's lowest state.
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| Spectroscope | An instrument used to separate the light from a hot gas or other light source into its constituent frequencies.
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| Line Spectrum | A pattern of distinct lines of color, corresponding to particular wavelengths, that are seen in a spectroscope when a hot gas is viewed.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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