Flipping Physics
Determining the Speed of the Electron in the Bohr Model of the Hydrogen Atom
Assuming a circular orbit of the electron about the nuclear proton in the Bohr model of the hydrogen atom, determine the speed of the electron.
Bozeman Science
Biogeochemical Cycling
A woman had a job crushing cans at the recycling plant; it was soda pressing. Video focuses on the ways our environment recycles, including the water cycle, carbon cycle, nitrogen cycle, and the phosphorus cycle. It also describes the...
Crash Course
Nitrogen and Phosphorus Cycles: Always Recycle! Part 2
We wish you a happy, healthy, and phosphorus school year! A video explains the importance of getting the nutrients that are needed and focuses on the nitrogen and phosphorus cycles. It includes discussions on the importance of...
Crash Course
The Sex Lives of Nonvascular Plants: Alternation of Generations
Plants evolved more than 400 million years ago into two types — vascular and nonvascular. Here's a video that explains the difference between vascular and nonvascular plants and then focuses on the over 24,000 types of nonvascular...