Chapter 1

Physical Quantities and Measurement

Measurement of Volume

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Measurement of Area

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Density of Solids

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Relative Density

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Speed and Velocity

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Chapter 2

Force and Motion

Contact and Non-Contact Forces

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Newton's Laws of Motion Introduction

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Weight and Mass

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Turning Effect of Force

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Types of Motion

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Chapter 3

Energy

Kinetic Energy

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Potential Energy

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Transformation of Energy

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Law of Conservation of Energy

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Sources of Energy

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Chapter 4

Light Energy

Reflection of Light

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Plane Mirrors

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Characteristics of Image in Plane Mirror

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Speed of Light

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Primary Colors

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Chapter 5

Heat

Temperature and Heat

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Effects of Heat

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Expansion of Solids

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Expansion of Liquids and Gases

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Transfer of Heat

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Chapter 6

Sound

Production of Sound

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Propagation of Sound

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Speed of Sound

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Reflection of Sound and Echo

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Characteristics of Sound

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