DID YOU KNOW THAT YOU CAN MAKE PLASTIC FROM MILK?

The children in Amazon Class found out that casein plastic, which was commonly used at the start of the 20^th Century to make buttons, buckles and other plastic trinkets, can be made by mixing warm milk and white vinegar. The experiment was part of our investigation into reversible and irreversible changes. A full report, in the form of Professors Hardy, Roome and Gibson’s interviews with Radio 4 can be read here.