1.1 Mode of nutrition in plants1.2 Photosynthesis - food making process in plants1.3 Other modes of nutrition in plants1.4 Saprotrophs1.5 How nutrients are replenished in the soil2.1 Different ways of taking food2.2 Digestion in humans2.3 Digestion in grass-eating animals2.4 Feeding and digestion in amoeba3.1 Wool3.2 Silk4.1 Hot and cold4.2 Measuring temperature4.3 Laboratory thermometer4.4 Transfer of heat4.5 Kinds of clothes we wear in summer and winter5.1 Acids and bases5.2 Natural indicators around us5.3 Neutralisation5.4 Neutralisation in everyday life6.1 Physical changes6.2 Chemical changes6.3 Rusting of iron6.4 Crystallisation7.1 Weather7.2 Climate7.3 Climate and adaptation8.1 Air exerts pressure8.2 High-speed winds8.3 Air expands on heating8.4 Wind currents are generated8.5 Thunderstorms and cyclones9.1 Soil teeming with life9.2 Soil profile9.3 Soil types9.4 Properties of soil9.5 Moisture in soil10.1 Why do we respire?10.2 Breathing10.3 How do we breathe?10.4 What do we breathe out?10.5 Breathing in other animals11.1 Circulatory system11.2 Excretion in animals11.3 Transport of substances in plants12.1 Modes of reproduction12.2 Sexual reproduction12.3 Fruits and seed formation12.4 Seed dispersal13.1 Slow or fast13.2 Speed13.3 Measurement of time13.4 Measuring speed13.5 Distance-time graph14.1 Symbols of electric components14.2 Heating effect of electric current14.3 Magnetic effect of electric current14.4 Electromagnet14.5 Electric bell15.1 Light travels along a straight line15.2 Reflection of light15.3 Right or left!15.4 Playing with spherical mirrors15.5 Images formed by lenses16.1 How much water is available16.2 Forms of water16.3 Groundwater as an important source of water16.4 Depletion of water table16.5 Distribution of water17.1 Visit to a forest18.1 Water, our lifeline18.2 What is sewage?18.3 Water freshens up — an eventful journey18.4 Wastewater treatment plant (WWTP)18.5 Better housekeeping practices
Well-explained videos tutorials for class 7th aspirants. In these free tutorials, students get a brief explanation of the topic of the chapter. Also, this tutorial module provides hand-written notes which help them to revise the topics.
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