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Pittsburgh Water and Sewer Authority: Color-Changing Chemistry
April 30 @ 5:00 pm - 5:45 pm
![Three school-age children do a simple chemistry experiment with test tubes holding different colored liquids.](https://www.carnegielibrary.org/wp-content/uploads/2024/01/PWSA-Color-Changing-Chemistry-1080-x-600_Web.jpg)
Become a scientist who makes water safe to drink for our city! Create crazy color-changing potions in a hands-on exploration of water chemistry and water treatment. Recommended for kids in grades K-5 and their caregivers.