Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...

A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...

Working as teams, students learn the basics of fluid power design using the PFPD as their investigative platform. Students will investigate the similarities and differences between using pneumatic and hydraulic power in the PFPD. While...

Charles' law is derived from the ideal gas law. An equation of the ideal gas law under pressure constraints is given and the derivation is explained.