Color-changing breath, chemical goo and elephant toothpaste? Explore chemical reactions and discover how hydrogen molecules break and fuse to create new compounds as evidenced by color changes, released gases, the emission of heat or light, or an altered state of matter.
STEM Challenge: build bottle cars powered by a chemical reaction.
Watch it now at video.wkar.org
Curiosity Guide #106 - Chemical Reactions(PDF - Acrobat Reader recommended)
Ep. 106 first air 12/8/14