Matter is everywhere. Matter is anything that has mass and takes up space. Everyone is made up of matter that is constantly experiencing both chemical and physical changes. You get your hair cut and your hair experiences a physical change. If you are not careful in shop and your hand gets cut, both chemical and physical changes occur allowing new skin to form. When chemicals react, the results may be small, large, or even very dramatic. These changes in matter is what this chapter is all about. Click the "next" button below and explore the world of matter within the 8th grade science core!