In the physics if states of matter, a colloid is defined as a mixture in which very small particles of one substance are distributed evenly throughout another substance. Household examples of colloids are mayonnaise, milk, butter, gelatin, and jelly. Cheese is categorized as a colloid because it is a heterogeneous mixture where tiny particles of one substance are evenly dispersed within another substance. The dispersed phase in cheese includes fat globules, protein structures, and water. These c