Astronomy
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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| joule | measurement of energy flow - 1 watt = 1 joule/s
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| power | rate of energy flow
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| spectrum | a prism split into the rainbow of light
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| emission | light that is emitted
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| absorption | light that is absorbed
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| transmission | light that is transmitted
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| reflection | light that is reflected
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| transparent | materials that transmit light
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| opaque | material that absorb light
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| wavelength | distance from one peak to the next
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| frequency | number of peaks passing by any point each second
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| light waves | vibrations of both electric and magnetic fields
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| photons | individual pieces of light
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| electromagnetic spectrum | complete spectrum of light
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| electromagnetic radiation | name for light itself
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| infrared | light with wavelengths longer that red light
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| radio waves | longest-wavelength light
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| microwaves | between infrared and radio waves that range from micrometers to millimeters
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| ultraviolet | light with wavelength shorter that blue light
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| x-rays | light with shorter wavelength than ultraviolet
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| gamma rays | light with the shortest wavelengths
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| atomic number | number of protons in a nucleus
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| atomic mass number | combined number of protons and neutrons in an atom
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| ionization | process of stripping electrons from atoms
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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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Created by:
sgw005
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