Curated OER
Suitcase, Parfleche and 'Isaptakay
Third graders explore farfeche and how the Nez Perce people use natural materials to derive colors for their artwork. They explore traditional paints and dyes used by the Nez Perce and create their own parfleche 'isaptakay.
Curated OER
Separation of Unknowns in a Liquid
Students identify chromatography as method of separating the components of a liquid. Students discover that dyes are composed of more than one component in achieving a particular color in these lessons on paper chromatography.
Other
Mineralogy Database: Iodine
Basic chemical data on iodine along with a great list of iodine containing minerals (photos) with links to info on the minerals. Nice site.
Florida State University
Florida State University: Molecular Expressions: Primary Colors
The concept of colors is discussed on this page. Read about primary colors, how complementary colors are created, what the process of color subtraction is, pigments and dyes, plus more. Also included are interactive Java tutorials.
University of Colorado
University of Colorado: Physics 2000: Temperature and Absolute Zero
A thorough, multipage discussion of color and color television sets that explains how an image is formed on the television using red, green, and blue light. Understandable discussion, excellent graphics, and many interactive Java applets.
Frostburg State University
General Chemistry Online: Lipstick Chemistry
This site from Frostburg State University answers a dye relevant question and in doing so gives the structural formula of a common dye. It explains how lipstick color lasts, and what chemical produces the red color.