1.(1) Diffraction Grating is: __ 2.(3) Colors are based upon the differences of: _ 3.(3) "Roy G. Biv" stands for: ______________________

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1.(1) Diffraction Grating is: ________________________ ______________________________________ 2.(3) Colors are based upon the differences of: __________ _______________________________________ 3.(3) "Roy G. Biv" stands for: ______________________ ________________________________________ 4.(5) Name each the following light source spectra as seen with a spectroscope. Click on the chemical element in this periodic table to see the spectra for several chemical elements. Type your answer onto the provided lines above each image. Select from the following chemical elements (notice the symbol and atomic number next to the names):