KPRC 2 Meteorologist Britta Merwin shows you how to make a chemical reaction using a balloon, baking soda and vinegar. If you need help with the Public File, call (713) 778-4745.

HOUSTON Thank you for your interest in Brittas Weather Lab. --------------------------------------------------------------------------------------------------------------------------------------Teachers, would you like KPRC2's resident "mad scientist" Britta Merwin to show up at your school? OK, OK. Britta isn't a mad scientist. When Britta isn't at her day job as a meteorologist on KPRC2 News Today helping to keep your family safe and plan your day, she's in her weather lab assembling. [FOLLOW BRITTA ON INSTAGRAM]Administrators and teachers, if you'd like Britta to visit your school, please fill out the form submission below.