Main objective of lab: To see how the surface tension causes the food colourings to swirl in the saucer.
Milk*Food colouring (4 colours) *A saucer *
The backwash of colours (Vartej de culori): Add a drop of each colour to the*Fill the saucer with milk *Detergent Methods: Add one drop of detergent to the center of the saucer
Results: The colours milk swirl in the saucer
Medina B., Bogdan D , Scoala Gimnaziala "Gheorghe Lazar" Zalau,Romania