Describing Matter

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

Are these substances?

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

Example: Gold

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