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Worqx: Color and Contrast

For Students 9th - 10th
In an continuing overview of color and color theory, this site focuses on color and contrast. Topics covered in the overview include simultaneous contrast, sensitivity to colorblind deficiencies, choosing complementary colors, and more.
Interactive
Davidson College

Davidson College: Electronic Structure of Coordination Compounds

For Students 9th - 10th
A list of five virtual chemistry topics with Java applets on the electronic structure of coordination compounds. Covers crystal field theory, CFT energy level splitting, color in gems, the spectrochemical series, and ligand properties.
eBook
Mathigon

Mathigon: Graphs and Networks: Map Colouring

For Students 9th - 10th
This lesson focuses on map coloring and the problem of proving that 4 colors would work for all maps. Francis Guthrie had to color a map of counties in England. He observed that four colors seemed to suffice for any map he tried, but he...
Graphic
Tate

Tate: Josef Albers: Study for Homage to the Square

For Students 9th - 10th
Images and description of Josef Albers' painting series, Homage to the Square. There are reprints of seven of the series.

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