INTRODUCTION
Matter is the nature of any substance on earth and also in the rest of the universe. Matter is a material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena. The three most familiar forms, or states of matter are solid, liquid, and gas. Heating and cooling a substance may change it from one state to another. In this chapter, matter is classified as living and non-living matter.
Meaning of Matter
Matter is any substance that has mass and takes up space by having volume. The space occupied by a substance is its volume. However, all substances that have volume also have mass. Examples of matter are the sun, other stars, planets, moons, the earth and all that is in it such as human beings, plants, animals, rivers, sand, air etc.
All matter is made up of …
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