Biochemistry I: Atoms, Ions, and Molecules DVD

Grades 9–12. This program begins by describing the basic structure of atoms and how ions are formed as atoms gain or lose electrons. Next up is an investigation of molecules and the covalent bonds that hold them together. The program then explains the difference between organic and inorganic molecules, polar and non-polar molecules, and how the hydrogen bonds that form between polar H2O molecules provide water with unique characteristics that are critical to life. A look at the concept of pH and the role of buffers concludes the program. 27 minutes.