1.1 Characteristics of Organisms 

1.2 Differences between Plants and Animals

2.1 Matter and Energy 

2.2 States of Matter 

2.3 Specific Properties of Solid Matter 

3.1 States of Water 

3.2 Types of Water based on Availability 

3.3 Types of Water based on Salinity 

3.4 Importance of Water 

3.5 Water, a Limited Resource 

4.1 Energy Sources and Their Applications

5.1 How can we see ? 

5.2 Sources of Light

5.3 Transmission of Light through Objects 

5.4 Light Rays and Light Beams

5.5 Applications of Light

6.1 Producing Sounds 

6.2 Hearing of Sounds 

6.3 Diversity of Sounds 

6.4 Music and Noise 

6.5 Creating Equipment to Produce Sound 

7.1 Effects of Magnets

7.2 Different Type of Magnets

7.3 Magnetic Poles

7.4 The Behaviour of a Magnet

7.5 Interactions between the Poles of Magnets

7.6 Magnetic Forces

8.1 Electricity for Day - to - day Life 

8.2 Generating Electricity

8.3 Preparation of Circuits

8.4 Conductors and Insulators

8.5 Electronic Appliances

8.6 Conservation of Electricity and Prevention of Accidents

9.1 Heat Generation 

9.2 Effects of Heat 

9.3 The Effects of Heat to the Environment

10.1 Food Webs

10.2 Mode of Nutritions of Animals

10.3 Food Chains