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Introduction
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Physical nature of Matter
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Matter is Made Up of Particles
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How Small Are These Particles of Matter?
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Particles of Matter Have Space Between Them
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Particles of Matter Are Continuously Moving
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Particles of Matter Attract Each Other
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States of Matter
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The Solid State
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The Liquid State
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The Gaseous State
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Can Matter Change its State?
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Effect of Change of Temperature
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Effect of Change of Pressure
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Evaporation
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Factors Affecting Evaporation
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How Does Evaporation Cause Cooling?
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