About This Lesson
Simple chromatography experiment to see who wrote a message in pen on some paper. Children to use colored pens on paper in water; to watch the inks separate. Great idea to introduce reverse color-mixing/color-separation in science.
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Simple chromatography experiment to see who wrote a message in pen on some paper. Children to use colored pens on paper in water; to watch the inks separate. Great idea to introduce reverse color-mixing/color-separation in science.