This case study uses the example of ice in fresh and salt water- in which type of water would ice melt more quickly? The lesson helps students explore the concepts of density, heat transfer, conduction and convection....

This site offers a description, history and theorectical examples of Archimedes Principle (buoyancy). The site is a simply text based, but contains solid information suitable for a classroom setting.

Compute Density: This active density calculator, from Georgia State University, shows how to compute density with units. Enter any two values to find the third. After you have entered values for two, click on the text...

Targeting a middle and high school population, this web page has an introduction to the concept of density. It is an appendix of a larger site called, MathMol (Mathematics and Molecules), designed as an introduction to...

This website contains eight one-hour videos designed to help K–6 teachers gain an understanding of some of the basic physical science concepts they need to teach in today’s standards-based curricula. Programs include...