1.1 Intro, food variety and sources

1.2 Plant parts, animal products as food

1.3 What do animals eat and their categories

1.4 Glossary

1.5 Textbook Question Answer

2.1 What do different food items contain

2.2 What do various nutrients do for our body

2.3 Balanced diet

2.4 Deficiency diseases

2.5 Definitions And Deficiency Diseases

2.6 Textbook Question Answer

3.1 Introduction of chapter and defining fibre

3.2 Some plant fibres

3.3 Spinning, weaving and knitting

3.4 History of clothing material

3.5 Glossary

3.6 Exercise

4.1 introduction of the chapter

4.2 Properties of materials- appearance and hardness

4.3 Properties of materials- soluble and insoluble

5.1 Introduction

5.2 Mathods of separation- handpicking, threshing and winnowing

5.3 Mathods of separation- sieving and sedimentation, decantation and filtration

5.4 Mathods of separation - evaporation and salt making proce

5.5 Glossary

5.6 Textbook Question Answer

6.1 Introduction and reversable and irreversable changes

6.2 Other ways to bring a change

6.3 Glossary

6.4 Textbook Question Answer

7.1 Introduction and types of plants

7.2 Steam and leaves

7.3 Roots and flowers

7.4 Glossary

7.5 Textbook Question Answer

8.1 Introduction

8.2 Human body, its movements and types of joints

8.3 Human skeleton and different types of bones

8.4 Gait of animals (earthworm and snail)

8.5 Gait of animals (cockroach and birds)

9.1 Introduction and organism and surroudings

9.2 Habitat and adaptation

9.3 A journey through different habitats, terrestrials habitat

9.4 A journey through different habitats, aquatic habitat

9.5 Living things and some features

10.1 Introduction and story of transport

10.2 How far have you travelled and how wide is this desk

10.3 Standard units of measurements

10.4 Correct measurement of length

11.1 Introduction, transparent, translucent and opaque objects and shadows

11.2 Pihole camera

12.1 Introduction and electricity

12.2 Activity (a bulb connected to an electric cell) and an electric circuit

13.1 Introduction and discovery of magnet

13.2 Magnetic and non-magnetic materials and poles of magnet

13.3 Finding directions

13.4 Make your own magnet

14.1 Where do we get water from

14.2 Water cycle and how are clouds formed

14.3 Water cycle- back to the ocean

14.4 What if it rains heavily and whar happens if it does not rain for a long period

15.1 Introduction and is air present everywhere around us

15.2 What is air made up of(water vapour, oxygen and nitrogen)

15.3 What is air made up of (carbondioxide and dust and smoke)

15.4 Availibility of oxygen in water and soil