The document defines and provides examples of solids, liquids, and gases. Solids have a definite shape and volume, while liquids have a definite volume but take the shape of their container. Gases have no definite shape or volume. Common examples of each state of matter are given, like how water and milk are liquids while wind is a gas. The document ends with a review quiz asking the reader to identify whether examples provided are solids, liquids or gases.