1.1 Agricultural Practices and Cropping Pattern

1.2 Preparation of Soil

1.3 Sowing

1.4 Adding Manure and Fertilisers

1.5 Irrigation

1.6 Protection from Weeds and Harvesting

1.7 Storage and Food From Animals

2.1 Microorganisms: Classification and Habitat

2.2 Friendly Microorganisms

2.3 Harmful Microorganisms

2.4 Food Preservation and Food Poisoning

2.5 Nitrogen Fixation and Nitrogen Cycle

3.1 Synthetic Fibres and their properties

3.2 Types of Synthetic Fibres

17.01 Plastics

17.02 Useful Properties of Plastics

17.03 Plastic and the Environment

7.01 Physical Properties of Metals and Nonmetals

7.02 Chemical Properties of Metals and nonmetals: Reaction with Oxygen and Water

7.03 Chemical Properties of Metals and Nonmetals: Reaction with Acids and Bases, and Displacement Reaction

7.04 Uses of Metals and Nonmetals

5.1 Natural and Manmade Resources

5.2 Coal

5.3 Petroleum

5.4 Natural Gas

5.5 Limitations of Natural Resources

10.1 Combustion: Concept and Conditions

10.2 Types of Combustion Reaction, Ignition Temperature and Fire Control

10.3 Flame

10.4 Fuel

10.5 Harmful Effects of Burning Fuels

6.1 Deforestation

6.2 Flora and Fauna

6.3 Conservation of Forest and Wildlife: Wildlife Sanctuary and Biosphere Reserve

6.4 Conservation of Forest and Wildlife: National Park

6.5 Recycling of Paper and Reforestation

11.1 Introduction to cell

11.2 Variety in Cell Number, Shape and Size

10.01 Structure, Function and Parts of Cell: Basic Components

10.02 Structure, Function and Parts of Cell: Other Components and Comparison of Plant and Animal cells

12.1 Modes of Reproduction

12.2 Sexual Reproduction: Reproductive System

12.3 Sexual Reproduction: Fertilization

12.4 Development of Embryo

12.5 Asexual Reproduction

13.1 Adolescence, Puberty and Reproductive Phase of Life

13.2 Changes at Puberty

13.3 Role of Hormones in Organisms

13.4 Sex Determination

13.5 Reproductive Health

7.1 Force – A Push or Pull

7.2 Effects of Force on Objects

7.3 Contact Forces

7.4 Non-Contact forces

3.03 Pressure

3.04 Pressure exerted by Liquids

3.05 Pressure exerted by Gases and Atmospheric Pressure

8.1 Friction Force and its Dependency

8.2 Friction: a Necessary Evil

8.3 Increasing and Decreasing the Friction

8.4 Fluid Friction

15.01 Sound Production

15.02 Propagation of Sound

9.3 Ear

9.4 Amplitude, Time Period And Frequency of Vibration

9.5 Noise and Music

15.1 Electric Charge: Nature, Types and Transfer

15.2 Lightning: What is lightning

15.3 Lightning: Safety Measures

9.01 Earthquakes

9.02 Protection against Earthquakes

16.1 Light: Laws of Reflection

16.2 Image formation by Plane Mirror

16.3 Multiple Images, Kaleidoscope and Dispersion

16.4 Human Eye

16.5 Care of Eyes

16.6 Can a Visually Challenged Persons Read and Write?

17.1 The Night Sky and the Moon

17.2 The Stars

17.3 Constellations

17.4 The Structure of Solar System

17.5 Planets in the Solar System

17.6 Other Members of Solar System

17.7 Artificial Satellites

8.01 Air Pollution: The pollutants

8.02 Acid Rain

8.03 Global Warming and Greenhouse Effect

18.4 The Oxygen cycle and The Ozone Layer

8.04 Ways to Reduce Air Pollution

8.05 Water Pollution

8.06 Sources of Water Pollution

18.8 Pollution of Ganga River: A Case Study

18.9 Purification of water and ways to reduce water pollution