Short activity: Density Rainbows

The purpose of this demonstration is to expose students to the principles and applications of variable density (as is relevant in many scientific and engineering fields). In this hands-on demonstration, the students will be carefully layering different concentrations of colored sugar solutions in an attempt to create a multi-layered rainbow …

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Motion-Sensing Bracelet

In this activity students design a multicolor LED bracelet that responds to their movement. They learn about color theory, light, and even kinematics and vectors. Depending on how advanced they are, one can discuss trigonometry, even series expansions.

The students have complete freedom over what the response of the bracelet …

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