Buoyancy and Density Project Integrate UOP- Buoyancy and Density Triple Beam Balance Measurement Practice http://www.ohaus.com/products/education/tutorials.asp?source=2 ReviseWise Science - Separating Materials http://www.bbc.co.uk/schools/revisewise/science/materials/10_act.shtml Sink or Swim http://www.questacon.edu.au/html/sink_or_swim.html Density experiment http://astro.uchicago.edu/cara/southpole.edu/flaky.html Students will take volume measurements of different samples of ice and snow to compare their relative densities. Results are graphed, and can be submitted to an online student database.