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What Makes Up Black Ink? – Paper Chromatography Experiment for Kids

When I was a science teacher, chromatography was one of my favorite activities. The kids would color on filter paper, dip it in water, and watch what happened. It never ceased to amaze them, no matter what age they were. We all learn in art class that green is made up of blue and yellow and that red is a primary color, made up only of red. We learn that all the colors mixed together make something between brown and black. But when you dissect marker colors, sometimes you find something very different. Paper Chromatography Materials   Coffee filters – The premium … Read more