NASA
The Anatomy of a Raindrop
After reviewing the water cycle, zoom in on a raindrop and learn about the physics determining its shape. See actual footage of raindrops falling with high-speed photography! A written description of the same information is also provided...
Steve Spangler Science
Anti-Gravity Water - Sick Science! #073
Explore the effects of gravity using this demonstration on surface tension. Learners fill a glass with water, put a handkerchief over the top creating a seal, and then turn the glass over without losing a drop. This is a terrific way to...