chromatography

As summer comes to an end and many of our patrons are busy on vacation or getting ready to go back to school, we were eager to offer quick access to STEAM opportunities. One of our favorites is Sharpie Tie-Dye; it’s a low-cost experiment that takes just a few minutes but has a big impact in helping participants to gain scientific knowledge. Here’s what we did. We first offered Sharpie Tie-Dye in the BOOMbox, Skokie Public Library’s STEAM learning space, and then created a to-go version to use on our Bookmobile this summer. We used small squares of neutral, natural fabrics [...]