This activity teaches students about surface tension and polar and non-polar molecules. As students mix food colouring, milk and soap together, they will watch as the soap disperses the fat molecules in the milk, causing the food colouring to move around the dish and create different patterns.

Blueprint Stats:

Cost: cost
Field: Chemistry
Prep Time: 0 minutes
Active Time: 10 minutes
Level: 7-8 & 10-12
Mess Factor: mess