Class Notes Science Lesson Notes - 2020
Illustration−1: How many different ways did ancient Indian philosophers classify matter? A. 2 B. 6 C. 7 D. 5 Ans: (D) • Matter is made up of Particles Now that we have defined matter let us ask ourselves the question – What is matter made up of? All matter comprises of very small particles. All matter can be broken up in a similar manner to get very small particles. Hence we now conclude that all matter is made up of small particles. Illustration −2: Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume. Ans: chair, air, almond, cool drink • Properties of Matter Small particles of matter make up all matter. Some features are shared by all of these particles. A theory called Kinetic Theory of Matter explains forth these features. Simply said, The Kinetic Theory of Matter States is a theory that describes how matter changes throughout time. A. All matter is made up of tiny particles. B. There is space between these particles. C. The particles are in constant motion. D. The particles are attracted to one another
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