Learners investigate physical and chemical properties of several chlorine compounds such as iron chloride, calcium chloride, and sodium chloride. The students will then discover that chlorine is one of the building blocks of matter and...

This resource provides a physical reaction. Hydrous and anhydrous calcium chloride react with water to produce physical exothermic and endothermic reactions.

Animated slide show illustrating Morton Mandel and Akiko Higa's calcium chloride method of DNA transformation.