Teen Time: STEM

Chromatography Earth Day Crafts

In this amazing Earth Day STEM project, we are going to use coffee filters to demonstrate Chromatography and how we can observe it in action!

What is chromatography?

Let’s start with the STEM side of this project. Chromatography is a really cool process where you can look at the components of a mixture as they are separated from each other by passing them through another substance. In our case, we are going to look at how different dyes can make up a single marker color by coloring on a coffee filter and then adding water to the filter. See this example below:

Questions about this program? Contact the branch 240-777-0678

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Accommodation Requests

People who are Deaf or Hard of Hearing should request English-language captioning or sign-language interpretation at least five days before the library-sponsored program they plan to attend. Contact the Assistant Facilities and Accessibility Program Manager at 240-777-0002 with all other accommodation requests.

cm 1.1 01/03/2023

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