If there’s no snow outside, try growing your own snowflakes. From Science Friday‘s collection of Holiday Science features and experiments, learn how to grow snowflakes in a bottle. Caltech physicist, snowflake expert, and author of The Secret Life of a Snowflake Ken Libbrecht shares his snow crystal growing experiment, which requires a large plastic bottle, a bucket, a sponge, fishing line, pins, needles, and dry ice, which is frozen carbon dioxide (CO2).
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.