In the iodine experiment, adding two solutions to a cup causes the liquid's color to change continuously—from clear to light blue, then pale yellow, and finally deep blue. The transformation is truly ...

Acids and bases are classes of materials that have different properties. Acid-base indicators change color depending on whether they are in acids or bases. Blueberries contain a substance called ...

Chameleons are famous for their color-changing abilities. Depending on their body temperature or mood, their nervous system directs skin tissue that contains nanocrystals to expand or contract, ...

Parental Note: Because this experiment requires the use of a stove to boil the cabbage, we strongly suggest that the experiment only be conducted with the supervision ...

Reporting in The Journal of Physical Chemistry B, researchers were surprised to find that different frequencies of sound produced different patterns in a color-changing liquid. Studying reactions like ...