Supplies
milk
plate
food coloring
q-tip
dish liquid
Fill a plate up with milk.
Drop food coloring into the center of the milk. ( Don't disturb it!)
Carefully dip your q-tip into the center. ( nothing should happen)
Dip the end of the q-tip into the dish liquid.
Now watch carefully------ DIP THE Q-TIP in the center of the food coloring drops now and HOLD IT THERE and watch what happens! KEEP HOLDING IT and the magic will continue.
Move the q-tip to another area and see what happens. Super cool!
Here's an explanation of the WHY!