1: Food: Where Does It Come From?
This chapter introduces different types of food sources, ingredients, and the eating habits of animals (herbivores, carnivores, omnivores).
Learn
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Food Variety and Ingredients : English -
Plant Parts as Food : English
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Animal Products as Food : Hindi
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What Do Animals Eat? (Herbivores, Carnivores, Omnivores) : Hindi
Up next for you:
Classifying animals based on their eating habits.
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Not started2: Components of Food
This chapter explains various components of food like carbohydrates, proteins, fats, vitamins, minerals, water, and roughage, and their importance for a balanced diet.
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Carbohydrates and Proteins : English
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Fats and Vitamins (Types and Sources) : English
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Minerals, Water and Roughage : Hindi
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Balanced Diet : Hindi
Up next for you:
Identifying deficiency diseases caused by lack of specific vitamins.
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Not started3: Fibre to Fabric
This chapter describes the journey of fibres to fabric, including different types of natural and synthetic fibres, and the processes of spinning, weaving, and knitting.
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Varieties of Fabric and Fibres : English
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Cotton and Jute (Plant Fibres) : English
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Spinning Cotton Yarn : Hindi
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Weaving and Knitting : Hindi
Up next for you:
Distinguishing between natural and synthetic fibres.
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Not started4: Sorting Materials into Groups
This chapter explores different properties of materials like appearance, hardness, solubility, transparency, and how they are used for grouping.
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Objects Around Us (Made of Different Materials) : English
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Properties of Materials (Appearance, Hardness) : English
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Soluble and Insoluble Substances : Hindi
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Objects That Float or Sink : Hindi
Up next for you:
Grouping objects based on their transparency.
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Not started5: Separation of Substances
This chapter teaches various methods of separating mixtures like handpicking, threshing, winnowing, sieving, sedimentation, decantation, filtration, and evaporation.
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Why Do We Separate Substances? : English
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Handpicking, Threshing, Winnowing : English
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Sieving, Sedimentation, Decantation : Hindi
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Filtration and Evaporation : Hindi
Up next for you:
Choosing the appropriate separation method for various mixtures.
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Not started6: Changes Around Us
This chapter categorizes changes into reversible and irreversible changes, with examples from daily life.
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Reversible Changes : English
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Irreversible Changes : English
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Physical and Chemical Changes (Basic Idea) : Hindi
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Examples of Changes in Daily Life : Hindi
Up next for you:
Classifying changes as reversible or irreversible.
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Not started7: Getting to Know Plants
This chapter introduces different parts of a plant – root, stem, leaf, flower – and their functions, along with types of plants (herbs, shrubs, trees).
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Herbs, Shrubs, and Trees : English
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The Stem (Functions) : English
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The Leaf (Venation, Transpiration, Photosynthesis) : Hindi
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The Root (Tap Root, Fibrous Root) : Hindi
Up next for you:
Identifying different parts of a plant from a diagram.
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Not started8: Body Movements
This chapter explains different types of joints in the human body, the role of bones and muscles in movement, and explores movement in other animals like earthworms, snails, birds, and fish.
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Human Body and Its Movements (Joints: Ball and Socket, Pivotal, Hinge, Fixed) : English
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The Skeleton (Bones and Cartilage) : English
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Muscles and Movement : Hindi
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Movement in Earthworms, Snails, Birds, Fish, and Snakes : Hindi
Up next for you:
Explaining how different joints facilitate specific movements.
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Not started9: The Living Organisms – Characteristics and Habitats
This chapter defines living organisms, their common characteristics (growth, respiration, reproduction, response to stimuli), and introduces various habitats (terrestrial and aquatic) with adaptations of organisms.
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Organisms and Surroundings : English
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Habitats (Terrestrial: Desert, Mountain, Grassland; Aquatic: Ponds, Oceans) : English
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Characteristics of Living Organisms (Growth, Respiration, Excretion, Reproduction) : Hindi
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Response to Stimuli and Movement : Hindi
Up next for you:
Identifying adaptations of animals in desert habitats.
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Not started10: Motion and Measurement of Distances
This chapter covers various types of motion, the need for standard units of measurement, and methods for measuring length and distance accurately.
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Story of Transport : English
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Standard Units of Measurement (Metre, Kilometre) : English
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Measuring Length Accurately : Hindi
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Types of Motion (Rectilinear, Circular, Rotational, Periodic) : Hindi
Up next for you:
Converting units of length (e.g., cm to m).
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Not started11: Light, Shadows and Reflections
This chapter explains how light travels, the formation of shadows, and the concept of reflection, including pinhole cameras and mirrors.
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Luminous and Non-Luminous Objects : English
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How Shadows Are Formed : English
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Pinhole Camera : Hindi
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Mirrors and Reflection : Hindi
Up next for you:
Explaining why shadows are always dark.
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Not started12: Electricity and Circuits
This chapter introduces the concept of electric current, electric circuits, conductors, insulators, and simple electrical devices like electric cells and bulbs.
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Electric Cell and Bulb : English
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Electric Circuit (Closed and Open) : English
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Conductors and Insulators : Hindi
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Electric Switch : Hindi
Up next for you:
Identifying conductors and insulators among common materials.
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Not started13: Fun with Magnets
This chapter explores the properties of magnets, magnetic and non-magnetic materials, magnetic poles, and the working of a compass.
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Discovery of Magnets : English
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Magnetic and Non-Magnetic Materials : English
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Poles of a Magnet : Hindi
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Finding Directions (Magnetic Compass) : Hindi
Up next for you:
Explaining why magnets always align in North-South direction when suspended freely.
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Not started14: Water
This chapter covers the importance of water, the water cycle, forms of water, and conservation of water resources.
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Where Do We Get Water From? : English
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The Water Cycle (Evaporation, Condensation, Precipitation) : English
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How Clouds Are Formed and How It Rains : Hindi
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Too Much Water (Floods) and Too Little Water (Drought) : Hindi
Up next for you:
Identifying steps to conserve water at home.
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Not started15: Air Around Us
This chapter explains the composition of air, its properties, the importance of air for living organisms, and air pollution.
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What is Air Made Of? (Nitrogen, Oxygen, Carbon Dioxide, Water Vapour) : English
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Properties of Air (Occupies space, has weight, exerts pressure) : English
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Importance of Air for Living Things : English
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Air Pollution : Hindi
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Properties of Air (Occupies space, has weight, exerts pressure) : Hindi
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Importance of Air for Living Things : Hindi
Up next for you:
Explaining why mountaineers carry oxygen cylinders.
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Not started16: Garbage In, Garbage Out
This chapter focuses on waste management, including types of waste, composting, vermicomposting, and the importance of reducing, reusing, and recycling.
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Dealing with Garbage : English
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Vermicomposting : English
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Plastic: A Boon or A Curse? : Hindi
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Reduce, Reuse, and Recycle : Hindi
Up next for you:
Discussing the advantages of composting over landfills.
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Not started