CBSE Class 7 Science Videos

Concept Videos

Nutrition in Plants

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Autotrophic Nutrition in Plants

Photosynthesis: Materials needed and the process of photosynthesis

Heterotrophic Nutrition in Plants

Nutrition in plants

Autotrophic Nutrition

Nutrition, Autotrophic Nutrition

Autotrophic Nutrition

Nutrition, Autotrophic Nutrition

Nutrition in Animals

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Human Digestive System

Digestion in humans

Digestion in Ruminants and Amoeba

Digestion in grass eating animals

Fibre to Fabric

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Silk

This video explains the life cycle of a silk moth and sericulture.

Wool

This video explains the steps in processing wool fibre into wool and the us...

Heat

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Heat and Temperature

Difference between heat & temperature; Temperature rise due to absorption o...

Thermometers

Properties, advantages, disadvantages & working of clinical thermometers.

Transfer of Heat - Conduction

Transfer of heat in solids,liquids&gases by conduction.Study of different m...

Transfer of Heat - Convection

Transfer of heat in liquids & gases by convection; its applications & examp...

Transfer of Heat - Radiation

Transfer of heat by radiation (em wave),factors on which it depends & its a...

Acids, Bases and Salts

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Acids and Bases

This video explains the properties of acids and bases.

Neutralisation

This video explains the characteristics and examples of neutralisation reac...

Acid-Base Indicators

This video describes different chemical indicators used for acid-base tests...

Physical and Chemical Changes

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Physical and Chemical Changes

This video explains the characteristics and examples of physical and chemic...

Rusting

This video explains the concept of rusting and the methods to prevent rusti...

Weather, Climate and Adaptations of Animals to Climate

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Weather

Weather, components of weather

Climate and Adaptation - 2

Adaptations in polar regions ( polar bear and penguin) and tropical rain fo...

Climate and Adaptation - 1

Climate, climate and adaptations at different places.

Winds, Storms and Cyclones

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Types of Wind

Wind, wind vane, types of wind

Thunderstorms

Definition of thunderstorm, changes of tunderstorm into cyclone and destruc...

Wind and Wind Currents

Definition and generation of wind

Cyclones

How a thunderstorm becomes a cyclone, Destruction caused by cyclones, Namin...

Soil

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Soil Profile

Soil and Soil profile, Formation of rock

Soil Erosion

Factors affecting soil and types of crop growing in different types of soil

Soil and its Importance

Percolation of water in soil, moisture in soil, absorption of water in soil

Properties and Types of Soil

Soil characteristics

Respiration in Organisms

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Breathing and its mechanism

Breathing, respiration,Mechanism of breathing

Respiration and its Types

Respiration and its types

Respiration in Animals

Breathing in Fishes, earthworm, Breathing in plants:Stomata and lenticles

Human Respiratory System

Human respiratory system and the process

Transportation in Animals and Plants

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Blood and Blood Vessels

Blood-its composition and function, blood vessels-types and function

Human Circulatory System

Human Heart-Its Structure and Function, Blood Pressure

Human Excretory System

Excretion, Excretory system:Structure and Function, Artificial kidney

Transport in Plants

Transport of water and nutrients in plants

Reproduction in Plants

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Asexual Reproduction

Definition-asexual, sexual and vegetative propagation by cutting of stems, ...

Sexual Reproduction in Plants

Sexual reproduction in plants : pollination and fertilisation

Sexual Reproduction in Plants

Seed formation and dispersal

Motion and Time

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Speed

Concept of speed, its SI units, speed triangle equation & its application.

Time

Measuring time using different instruments & know its units of time.

Distance-Time Graph

Learn how to draw distance time graph of a moving body and understand the...

Electric Current and its Effects

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Magnetic Effects of Electric Current

Concept of electromagnet,its principle & uses.

Heating Effects of Electric Current

Uses & application of heating effects of electric current; thermostat & hea...

Electric Circuit

Electric components & their symbolic representation. Electric cell and how ...

Light

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Light and Shadows

Concept of light as ray, beam & its properties. How are shadows formed?

Image Formation by Concave Mirrors

Types of spherical mirrors, technical terms related to mirror & image forma...

Dispersion of Light

Dispersion of light through a prism. Study of spectrum.

Lenses

Types of lenses,related technical terms, image formation by concave and con...

Image Formation by Convex Mirrors

Types of spherical mirrors, technical terms related to mirror & image forma...

Water : A Precious Resource

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Water Management

Importance of water management, water harvesting, methods for water harvest...

Ground Water

Forests: Our Lifeline

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Importance of Forests

Interdependence of plants and animals, Maintaining balance in nature, preve...

Forests

Forest products, Vegetation of forest- crown, canopy and understorey,

Wastewater Story

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Waste Water Treatment

Waste water treatment plant- Steps and processees, Better house keeping pr...

Water Pollution

Definition-waste water, sewage, Contaminants and their types, Sewerage, Tre...

Water Pollution - Control and Measure

Waste water treatment plant- Steps and processees, Better house keeping pr...