Season 1 Episode 106 | 27m 46s | Video has closed captioning.
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.
Problems Playing Video? | Closed Captioning