Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

Why does toothpaste change the taste of orange juice?

Easy experiment: Drink orange juice. Brush your teeth. Drink orange juice again. What just happened?

From The American Chemical Society, here’s a Reactions explanation for why most toothpastes change the taste of orange juice. The video includes an intro on the five basic tastes that we’re able to detect: sweetness, sourness, saltiness, bitterness, and umami — a Japanese word that we’ve borrowed to describe a “pleasant savory taste” or “a pleasant, brothy or meaty flavor” — and the ingredients of toothpaste.

More videos about the body and how things work.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.