The Thinking Fountain at the Minnesota Science Museum. Great selection of activities for exploring sinking and floating.

Internet Campus. Interactive activities for exploring density, weight and volume.

Nick Jr.com. Neat activities and simulations but you'll need Shockwave.

Boat Safe Kids International Marine Educators' nautical know how.

Last updated June 14 2006

Find out all about the sinking of the Edmund Fitzgerald.

Ask Earl. Why do some heavy things float and some light things sink?

Learn how to make some really neat paper boats.