
Foam
Natural Occurrence
Foam often describes natural bubbles, typically seen with water or other liquids.
The river's rapids created foam along the edges.
By-product of Action
Foam can occur because of an action like shaking a liquid.
He shook the soda bottle, and foam erupted when opened.
Visual Description
Foam is a visual term often used to describe a white bubbly appearance.
A layer of foam coated the top of the hot latte.