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Botany Science Fair Project

Uncovering Fall Colors

Science fair project - Uncovering Fall Colors
Have you ever wondered why leaves change color in the fall? It's because the green chlorophyll that helps plants turn water and carbon dioxide into food disappears during the winter. Let's use chromatography to separate the colors of a green leaf and uncover the hidden colors!


The hypothesis is that the leaves will lose their green color due to lack of materials needed to survive in the winter and fall.

Method & Materials

You will separate the colors of a green leaf using chromatography.
You will need leaves, small jars, covers for jars or aluminum foil or plastic wrap, rubbing alcohol, paper coffee filters, shallow pan, hot tap water, tape, pen, plastic knife or spoon, and a clock or timer.


The experiment showed that the leaves lost their green color due to lack of materials needed to survive in the winter and fall. The colors of the leaves were separated using chromatography, revealing yellow, orange, and red colors that were hidden beneath the green chlorophyll.

Why do this project?

This science project is interesting and unique because it uses chromatography to uncover the hidden colors of a green leaf and explain why leaves change color in the fall.

Also Consider

Experiment variations to consider include using different types of leaves or using different solvents to separate the colors.

Learn more

You can find additional information and details for this science project here. Have fun exploring!

Related video

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