The document provides examples to classify matter as elements, compounds, and mixtures. Silver is provided as an example of an element. Water and sugar are given as examples of compounds. Cookie dough, guacamole, and Campbell's vegetable soup are classified as mixtures because they contain more than one pure substance. Gatorade and milk are cited as homogeneous mixtures because their particles cannot be seen. Oil and water as well as peanut butter are identified as heterogeneous mixtures, with oil and water separating and peanut butter's oil rising to the top over time.