Or download our app "Guided Lessons by Education.com" on your device's app store.
How to Make a Cartesian Diver
Ever wondered how a submarine can control when it rises and sinks in the water? Build a Cartesian diver to find out! Named after French philosopher and physicist René Descartes, this classic science experiment is a great way for kids to see the principle of buoyancy at work. And with such a simple set-up, it's a fun and inexpensive way to dive into physics!