This Crime-a-tography lesson plan also includes:
Whodunnit? Investigators use chromatography to solve a crime! Half of this lesson plan revolves around a video that is most likely not in your possession, but the rest of the lesson can stand alone. Simply replace the video with a brief discussion on leaf pigments and how colors are present that are not visible to us most of the time. Then apply that information to the chromatography of ink. This is a classic, but clever approach to introducing future chemists to the chromatography technique.
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