2.2 Chemical properties of Acids and Bases

2.03 Common properties of all acids and all bases

2.04 Strength of acid and base

2.05 Importance of pH in everyday life

2.06 Salts

2.07 Common salt and its uses

3.01 Physical Properties of Metals and Non-Metals

3.02 Chemical Properties of Metals- Part 1

3.05 Reaction of Metals and Non-Metals

3.6 Occurance of Metals

Corrosion

6.5 Respiration

6.6 Respiration in Animals

6.7 Transportation in Human Being

6.8 Transportation in Plants

6.9 Excretion

7.1 Animal Nervous System – Part1

7.2 Animal Nervous System – Part 2

7.3 Coordination in Plants

7.4 Hormones in Animals

8.2 Asexual Mode of Reproduction

8.3 Sexual Reproduction in Flowering Plants

8.4 Sexual Reproduction in Human

8.5 Reproductive Health

9.1 Introduction

9.2 Heredity

9.3 Mechanism of Heredity

9.4 Sex Determination

9.5 Evolution

9.6 Speciation

9.7 Evolution and Classification

9.8 Tracing Evolutionary Characteristics

9.9 Can we equate ‘Evolution’ with ‘Progress’

11.1 The Human Eye

11.2 Defects of Vision and their Correction

11.3 Refraction of light through a glass prism

11.4 Atmospheric Refraction

11.5 Scattering of Light

12.1 Electricity

12.2 Electricity – Circuit Diagram and Ohm’s Law

12.3 Resistance

12.4 Resistors in Series

12.5 Resistors in Parallel

12.6 Heating Effect of Electric Current

14.1 Sources of Energy

14.2 Conventional Sources of Energy -1

14.3 Conventional Sources of Energy – 2

14.4 Improvements in conventional energy sources : Bio-Mass

14.5 Improvements in conventional energy sources : Wind Energy

14.6 Alternative or Non-Conventional Sources of Energy: Solar Energy

14.7 Non-Conventional Sources of energy: Energy from Sea

14.8 Geothermal Energy and Nuclear Energy

14.9 Environmental Consequences

15.1 Our Environment

15.4 Effects of Our Activities on Environment

16.1 Management of Natural Resources

16.2 Forests and Wild Life: Stakeholders

16.3 Sustainable Management of Forests

16.4 Water for all

16.5 Management of Coal and Petroleum