SciShow
Litmus Test: SciShow Experiments (2012x166)
Date de diffusion: Nov 01, 2012
Do science at home with Hank in this episode of SciShow - you'll learn how to make your own litmus paper, what it's good for, and how it works.
- Première: Jan 2012
- Épisodes: 3680
- Abonnés: 2