by msander | Jun 5, 2017 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science
Have you ever wondered how candies get their different colors or how many dyes make a black jellybean? Candies come in all shapes and sizes. You might find spheres in all the colors of the rainbow or find tiny discs that are colored brown or white. But, do you know...
by msander | Jun 5, 2017 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Reproduce beautiful, multicolour art patterns using paper chromatography! Various colour pigments that make up black inks can be separated using radial chromatography. The inks are spotted onto a filter-paper circle containing a paper “wick” in the center, and the...
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