Instant Hot Air Balloon

This is so much fun! Make a mini hot air balloon using a Mylar balloon and a foam coffee cup. This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - http://elearning.flinnsci.com ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting. Be sure to subscribe and check out more videos! Subscribe: https://www.youtube.com/channel/Flinn... Facebook:   / flinnscientific   Website: https://www.flinnsci.com/