Why does beer have a head but lemonade

The head of a beer is a result of the carbonation process. When beer is carbonated, carbon dioxide gas is added to the liquid. This gas forms bubbles that rise to the surface and create a foamy head. The type of head a beer has can vary depending on the amount of carbonation and the type of beer.

Lemonade does not have a head because it is not carbonated. Carbonated drinks contain dissolved carbon dioxide gas, which forms bubbles when the liquid is released. Lemonade is made with water, sugar, lemon juice, and sometimes other flavorings, but it does not contain carbon dioxide gas. This means that lemonade does not form bubbles and therefore does not have a head.