Matter is all around us; in fact, you're looking at it right now! Everything we see on Earth is made up of matter - air, walls, streams, and giraffes. To understand everything we see and experience, we ask ourselves What is Matter? An easier question might be, "what isn't considered matter?" Everything on our planet consists of matter. Properties of Matter cover many areas in the Physical Sciences including measurements like Volume and Mass. One true thing about the world is that everything is always experiencing Physical and chemical changes. You can explore these changes in What is Chemistry? The next time someone asks, "What is the matter?" You can answer this question with scientific facts rooted in information from Sciences that focus directly on Properties of Matter.