Search Results

With little more than a flashlight, a straw, and a plastic lid, make an observatory so you can see the amazing colors in bubbles.

In this activity, learners explore why they can see colors in bubbles and why they change.

Learners experiment with a commercially available liquid-crystal coaster. They warm the material with their hands for varying lengths of time and observe the changing colors that result.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.