Course CBSE Class 7 Science 18 Lessons Buy Buy Lessons Expand All | Collapse All 01 Nutrition in Plants 4 Topics 01 Autotrophs and Heterotrophs 02 Photosynthesis 03 Modes of Nutrition in Plants 04 Nitrogen Fixation and Nitrogen Cycle 02 Nutrition in Animals 5 Topics 01 How Do Animals Eat 02 Digestion in Humans 03 Food and Mouth 04 Digestion in Herbivores 05 Feeding and Digestion In Amoeba 03 Fibre to Fabric 5 Topics 01 Animal Fibre: Wool 02 Rearing and Breeding of Sheep 03 Processing Fibre into Wool 04 Formation of Silk Fibre 05 Cocoon to Silk Fibre and Sericulture 04 Heat 7 Topics 01 Hot and Cold Measurement of Temperature Laboratory Thermometer 04 Heat Transfer - Conduction 05 Heat Transfer - Convection 06 Heat Transfer - Radiation 07 Clothes and Season 05 Acids, Bases and Salts 6 Topics Acids and Bases Litmus as a Natural Indicator 03 Turmeric as a Natural Indicator 04 China Rose as a Natural Indicator 05 Neutralisation 06 Neutralisation in Everyday Life 06 Physical and Chemical Changes 4 Topics 01 Physical Change 02 Chemical Change 03 Corrosion of Metals 04 Crystallisation 07 Weather, Climate and Adaptations of Animals to Climate 4 Topics 01 Weather 02 Climate 03 Climate and Adaptation in Polar Regions 04 Climate and Adaptation in Tropical Rain-forests 08 Winds, Storms and Cyclones 4 Topics 01 Relation of Air with Temperature and Pressure 02 Generation and Kinds of Wind 03 Thunderstorm 04 Cyclones and Tornadoes 09 Soil 4 Topics 01 Soil - Importance and Formation 02 Properties of Soil 03 Types of Soil and Suitable Crops 04 Soil Profile 10 Respiration in Organisms 5 Topics 01 Breathing and Breathing Rate Respiration and Need of Respiration Human Respiratory System 04 Breathing in Animals 05 Respiration in Plants 11 Transportation in Animals and Plants 7 Topics Components of Blood Circulatory System 03 Heartbeat, Heart Rate and Pulse Rate Human Heart 05 Excretory System in Humans 06 Transportation in Plants 07 Transpiration 12 Reproduction in Plants 5 Topics 01 Asexual Reproduction in Unicellular Organisms 02 Asexual Reproduction in Multi-cellular Organisms 03 Sexual Reproduction in Plants - Parts of Flower 04 Sexual Reproduction in Plants: Process of Reproduction 05 Seed Dispersal 13 Motion and Time 4 Topics 01 Speed and its Unit 02 Simple Pendulum 03 Clock Reading and Measurement of Time 04 Distance-Time graph 14 Electric Current and its Effects 4 Topics 01 Symbols of Electrical Components 02 Heating Effect of Electric Current 03 Magnetic Effect of Electric Current Electromagnet and Electric Bell 15 Light 7 Topics 01 Basic Properties of Light Reflection - Laws of Reflection 03 Plane, Concave and Convex Mirrors 04 Virtual and Real Images 05 Convex and Concave Lenses 06 Image formation by Convex and Concave Lenses 07 Primary, Secondary, Complementary Colors and Color Addition 16 Water: A Precious Resource 4 Topics 01 Water Cycle and Forms of Water 02 Ground Water and Depletion of Water Table 03 Heavy Rain and Drought 04 Conservation and Management of Water 17 Forests: Our Lifeline 2 Topics 01 Knowing the Forests 02 Importance of Forests 18 Wastewater Story 4 Topics 01 Wastewater and Sewage 02 Wastewater Treatment Plant 03 How to Reduce Waste Generation 04 Sanitation and Disease