CK-12 Foundation
Ck 12: Gas Mixtures and Molecular Speeds
[Free Registration/Login may be required to access all resource tools.] The following online tutorial helps students use Dalton's Law and mole fraction to calculate the partial pressure of a gas in a mixture. They will learn to calculate...
TeachEngineering
Teach Engineering: Floaters and Sinkers
Through this curricular unit, students are introduced to the important concept of density. The focus is on the more easily understood densities of solids, but students may also explore the densities of liquids and gases. Students devise...
TED Talks
Ted: Ted Ed: How Taking a Bath Led to Archimedes' Principle
This video explains how the early Greek mathematician Archimedes discovered the principle relating density, volume, and displacement of water. [3:01] Includes a brief quiz and a list of additional resources to explore.