Friday, 10/2/2020
3:00 - 3:15
Virtual Library

Online Services
San Francisco, CA 94102
United States

Can you make crystals with ingredients from your pantry? Learn about nucleation and supercooling as we deep dive into the science of crystal making. Gather sugar, water, a jar, a stick, a clothespin, a spoon, a cooking pot and a thermometer for this challenge with YELL 2020 teen intern Sophia. Adult supervision strongly recommended.


Tune in to SFPL YouTube.


STEM Challenge Yo’Self | Teen Takeover is created by the San Francisco Public Library from the Youth Engaged in Library Leadership (YELL) STEM team. Stay STEM-tastic by reading, learning and experimenting at home. Gather materials for a new challenge posted at 3pm on weekdays throughout October. Visit for more resources.