What is chromatography?
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It's true that the cooler weather is a good indication that the seasons are changing, but there's no sign like the color of the leaves. In this lesson, you'll learn why leaves change color in the fall, and you'll learn how to do paper chromatography to separate the pigments found in a leaf.
What do you think you would see on your paper strip if you did this experiment with leaves that had already turned yellow? What about red leaves?
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- Video created by Alex Dainis
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