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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.

In this physics activity, learners will explore buoyancy.

In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.