Can you trap carbon dioxide to inflate a balloon in a chemical reaction between vinegar and baking soda? Gather 1 balloon, baking soda, empty bottle and a funnel for this challenge with YELL 2020 teen intern Leilani.

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 www.sfpl.org/stemchallenge for more resources.