ResourcesAm I Dense?
SparTech - Hands-on lab exercise illustrates density and buoyancy concepts.
Further ExplorationDensity Calculations
Fordham Prep Lesson describing the concept of density and measurements used to calculate density.Metric Density and Specific Gravity
G. Speer A brief description of density and specific gravity.Understanding Air Density
USA Today A detailed explanation of changes in air density and its effects.
News & EventsMountain Climbing and Air Density
NOVABone Density and Cigarette Smoke
Tufts UniversityUltra Low-Density Liquids
American Institute of PhysicsCurrent Science News
News from around the world of science.
Google - Research database allows searching of the scholarly literature.
Experiment!Buoyancy in a Submarine
How Stuff Works Descriptive animation explains how a submarine changes buoyancy.Buoyant Force
National Taiwan Normal U. - Java Applet shows how buoyancy changes with density.Density Conversion Calculator
American Institute of Physics - Online calculator converts between different units of density.