Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?