Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...

Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...

A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of the ideal gas law. Shows apparatus and set-up; provides suggestions. Easily adaptable as a student project...