How do scientists typically classify matter?

Scientists typically classify matter by its composition because this approach provides a fundamental understanding of the material's properties and behavior. Composition refers to the types of atoms and molecules that make up a substance, which ultimately determine its physical and chemical properties. This classification can be further divided into categories like elements, compounds, and mixtures, allowing scientists to make predictions about how different materials will interact in various situations or under different conditions.

While factors such as color, texture, and size can provide some information about matter, they are not reliable or comprehensive methods for classification. For instance, two substances may have the same color or size but very different chemical compositions and behaviors. Therefore, focusing on composition is essential for a systematic and scientific approach to understanding matter in the fields of chemistry and other natural sciences.