Properties of Matter Matter: Anything that has mass and volume Substance: is a single kind of matter that is pure, meaning it has a specific make-up or composition Chemistry is the study of matter and how it changes All matter has chemical and physical properties Physical Properties of Matter Physical Property: Is a characteristic of a pure substance that can be observed without changing it into another substance Freezing, hardness, texture, color, flexibility, solid, liquid, gas, dissolves, luster, malleable, ductile Physical properties can be used to classify matter Chemical Properties of Matter Chemical Property: Is a characteristic of a pure substance that describes its ability to change into different substances Flammability, Reactivity, Rusting Methane Gas: The gas can catch in fire and burn in air, when it burns, it combines with O2 in the air and forms water and carbon dioxide. To observe chemical properties, you must change it to another substance Again are used to classify matter