Activity
Exploratorium

Exploratorium: Science Snacks: Condiment Diver

For Students 9th - 10th
Use a condiment packet as a Cartesian diver to show how pressure changes cause the "diver" to float, sink or hover.
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: Density in Relation to Float and Sink

For Teachers 3rd - 8th
Students find the densities of objects based on sinking or floating in this activity that demonstrates Archimedes Principle.