TED-Ed
TED-Ed: Leonora Neville: The princess who rewrote history
Anna Komnene, daughter of Byzantine emperor Alexios, spent the last decade of her life creating a 500-page history of her father's reign called "The Alexiad." As a princess writing about her own family, she had to balance her loyalty to...
GPB Television
Chemistry 203: Separation of Mixtures
Do not pass this resource by! Everything you need to teach the property of density,and the separation of mixtures is here: an educational video, several classroom handouts, and a laboratory exercise. The video is engaging, though a...
Steve Spangler Science
Amazing 9 Layer Density Tower - Sick Science! #012
This is a strong visual display of density. It requires a mountain of materials and is quite messy, so you most likely will not want to have lab groups perform this activity. You could demonstrate it for your class when exploring the...
Crash Course
Water - Liquid Awesome
If H2O is water and H2O2 is hydrogen peroxide, what is H2O4? Drinking, bathing, and cooking among others. Viewers of a short video explore water through its molecular structure, its ability to stick to itself through adhesion (cohesion...