1. Ice cream is made by churning a mixture of milk, sugar and flavours.
2. This mixture is slowly chilled to form ice cream.
3. The churning process disperses air bubbles into the mixture by foaming and break up the large ice crystals into tiny particles.
4. The result is a complex substance which contains solids, liquids and gases.
5. This is the ice cream.
6. Ice cream is a colloid.