Search Results

Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.

In this activity, learners explore liquid crystal thermometers to observe how heat flows by conduction, convection, radiation, and evaporation.