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Chapter - 1 :- Nutrition in plants
Chapter - 1 :- Nutrition in plants
1.1 Mode of nutrition in plants
1.2 Photosynthesis - food making process in plants
1.3 Other modes of nutrition in plants
1.4 Saprotrophs
1.5 How nutrients are replenished in the soil
Chapter - 2 :- Nutrition in animals
Chapter - 2 :- Nutrition in animals
2.1 Different ways of taking food
2.2 Digestion in Humans
2.3 Digestion in grass - eating animals
2.4 Feeding and digestion in amoeba
Chapter - 3 :- Fibre to fabric
Chapter - 3 :- Fibre to fabric
3.1 Wool
3.2 Silk
Chapter - 4 :- Heat?
Chapter - 4 :- Heat
4.1 Introduction - Heat
4.2 Measuring temperature
4.3 Laboratory thermometer
4.4 Transfer of heat
4.5 Kinds of clothes we wear in summer and winter
Chapter - 5 :- Acids , Bases ?and Salts
Chapter - 5 :- Acids , Bases and Salts
5.1 Acid and bases
5.2 Natural , Indicators around us
5.3 Neutralisation
5.4 Neutralisation in everyday life
Chapter - 6 :- Physicals and chemical changes
Chapter - 6 :- Physicals and chemical changes
6.1 Physicals changes
6.2 Physical and chemical changes
6.3 Rusting of Iron
6.4 Crystallisation
Chapter - 7 :- Weather , Climate and adaptations of animals to climate
Chapter - 7 :- Weather , Climate and adaptations of animals to climate
7.1 Weather
7.2 Climate
7.3 Climate and adaptation
Chapter - 8 :- Winds, storms and cyclones
Chapter - 8 :- Winds, storms and cyclones
8.1 Air exerts pressure
8.2 High speed winds are accompanied by reduced air pressure
8.3 Air expands on heating
8.4 Wind currents are generated due to uneven on the earth
8.5 Thunderstorms and cyclones
8.6 Destruction caused by cyclones
8.7 Effective safety measures
8.8 Advanced technology has helped
Chapter -9 :- Soil,
Chapter 9 Soil Profile - Soil
9.1 Soil , Teeming with life
9.2 Soil profile
9.3 Soil
9.4 Properties of soil
9.5 Moisture in soil
9.6 Absorption of water by soil
9.7 Soil and crops
Chapter - 10 :- Respiration in organism
Chapter - 10 :- Respiration in organism
10.1 Why do we respire
10.2 Breathing
10.3 How do we breathe
10.4 What do we breathe out
10.5 Breathing in other animals
10.6 Breathing under water
10.7 Do plants also respire
Chapter - 11 :- Transportation in animals and plants
Chapter - 11 :- Transportation in animals and plants
11.1 Circulatory system
11.2 Excretion in animals
11.3 Transport of substances in plants
Chapter - 12 :- Reproduction in plants
Chapter - 12 :- Reproduction in plants
12.1 Modes of reproduction
12.2 Sexual reproduction
12.3 Fruits and seed formation
12.4 Seed dispersal
Chapter - 13 :- Motion and time
Chapter - 13 :- Motion and time
13.1 Slow or fast
13.2 Speed
13.3 Measurement of time
13.4 Measuring Speed
13.5 Distance - time graph
Chapter - 14 :- Electric current and its effects
Chapter - 14 :- Electric current and its effects
14.1 Symbols of electric components
14.2 Heating effect of electric current
14.3 Magnetic effect of electric current
14.4 Electromagnet
14.5 Electric bell
Chapter - 15 :- Light
Chapter - 15 :- Light
15.1 Light travels along a straight line
15.2 Reflection of light
15.3 Right or left
15.4 Playing of spherical mirrors
15.5 Images formed by lenses
15.6 Sunlight - white coloured
Chapter - 16 :- Water : A precious resource
Chapter - 16 :- Water : A precious resource
16.1 How much water is available
16.2 Forms of water
16.3 Groundwater as an important source of water
16.4 Depletion of water table
16.5 Distribution of water
16.6 Water management
16.7 What role you can play
16.8 Effect of water scarcity on plants
Chapter - 17 :- Forests : our lifeline
Chapter - 17 :- Forests : our lifeline
17.1 Types of Forests in India
Chapter - 18 :- Waste water story
Chapter - 18 :- Wastewater story
18.1 Water, our lifeline
18.2 What is sewage
18.3 Water freshens up - an eventful , journey
18.4 Wastewater treatment plant (WWTP)
18.5 Better housekeeping practices
18.6 Sanitation and disease
18.7 Alternative arrangement for sewage disposal
18.8 Sanitation at public places