Classifying Matter by State

Chemistry is the study of matter and the changes it undergoes. Matter is anything that has mass and occupies space. Matter is all around us; the air, water, soil, mountains, even our bodies are all examples of matter. Matter is divided into three states — solid, liquid, and gas — that are commonly found on earth. The fourth state of ...

Matter is anything that has mass and occupies space. Everything around us is matter, including our bodies, the air we breathe, and the ground we walk on.

Matter exists in three main forms — solid, liquid, and gas. Scientists have also identified a fourth fundamental state of matter — plasma. 

Solids have a d...