Debbie Wasserman Schultz to Resign D.N.C. Post. Representative Debbie Wasserman Schultz of Florida, chairman of the Democratic National Committee, at a rally for Hillary Clinton and her running mate, Senator Tim Kaine, in Miami on Saturday. Credit Scott McIntyre for The New York Times. Follow along with our coverage of the Democratic National Covention.
States of Matter: Facts. Matter is all around us. Matter is the air you are breathing. Matter is the computer you are reading from now. Matter is the stuff you touch and see. And it is more. Matter is defined as anything that has mass and takes up space.
In chemistry, matter is defined as anything that has rest mass and volume (it takes up space) and is made up of particles. The particles that make up matter have rest mass as well-not all particles have rest mass, such as the photon. Matter can be a pure chemical substance or a mixture of substances.