Georgia State University presents an explanation and illustration of buoyancy including Pascal's and Archimede's principles. The site contains helpful diagrams to better explain the concepts addressed. Overall, the site...

This two-part activity provides an introduction to the basics of measurement (linear, mass, volume, density) and discusses the role of inferential statistics in comparing any two measurements. The concept of random...

This simulation provides practice on estimation of relative sizes. The user must estimate the relative lengths, areas, or volumes of objects. This activity builds student abilities to understand ratios and the scaling of...

This site from Drexel University, offers an explanation of how density and water displacement aimed to solve the mystery of the Golden Crown.

This webpage contains instructions for a simple demonstration of the concepts of mass, volume, and density. The page also has further questions that this demonstration should raise in students' minds and links to related...