Unwrap the peppermint candies and put them on the plate. Leave about an inch between the candies, so you can see the individual reactions.

Make a prediction about what will happen when you add warm water.

Slowly pour warm water into the center of the plate. Just enough to cover the bottom of the candies. Don't submerge the candies tho! You don't want them to float!

Watch the colors from the candies move around the plate.

Repeat with a different color, size, or shape. You can also vary the temperature or depth of the water. Did you get the same effect if very cold water was used?

(Optional): use a timer to observe differences between candies, water temperature, or water depth.

Record your observations on paper. Was your prediction right?