Day: October 28, 2026

Make a Leaf Chromatography Bookmark

Do you know why leaves change colour in the fall? CAGIS member Zoe (age 15) knows the answer! Investigate the rainbow of pigments hidden in a single leaf in this DIY STEM activity.

CAGIS operates on the ancestral and unceded territories of the Inuit, Métis, and First Nations Peoples. We acknowledge the ongoing, damaging legacy of colonial systems and reaffirm our commitment to walking a path of reconciliation.

CAGIS Clubhouse

We acknowledge the support of the Natural Sciences and Engineering Research Council of Canada (NSERC).

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