Watch Educational Videos for Class Nine

Biology Physics Chemistry Maths

Biology             

Plant Tissues

The lessons in this topic teach about different types of tissues in plant and their functions.

Animal Tissues

The lessons in this topic teach about different types of tissues in animals and their functions.

Plasma Membrane

The lessons in this topic teach about plasma membrane's structure, function etc.

Adaptations in Different Ecosystem

The different lessons in this topic explain about habitats and adaptation. It first describes about different habitats and also explains the challenges organisms face in different habitats and how they overcome these challenges through adaptation.

Physics             

Matter Around Us

The different learning content in this topic explain about different states of Matter e.g. solid, liquid and gas, using the example of a magic show. Understand how matters change state. It starts with an endearing story - “Hole in the water”, which also teaches children that nothing is impossible if you try hard!

Gravitation

The different learning content in this topic explains about gravity, acceleration due to gravitational pull and laws applicable on free falling objects.

Sound

The lessons in this topic explain what sound is, how it is produced and how it travels from one place to another place. It also explains why different instruments produce different kind of sound. The lessons give clear ideas about various characteristics of sound and terms related to sound e.g. amplitude, pitch, frequency, echo etc. It starts with a beautiful story - 'Life Is An Echo'.

Work and Energy

This topic explains about work and energy. It clears the concept of potential and kinetic energy and explains how they are related.

Chemistry             

What is Inside Atom

The different learning content in this topic explains what is inside atom, electron configuration etc.

Maths             

Co-Ordinate Geometry

The lessons in this topic explain Cartesian system and how to plot graphs in that system.

Probability

The different lessons in this topic explain what probability is. It describes how to measure probability of an event. It explains about sample space, how to measure probability of event from experiment. It gives definition of most likely, sure and impossible event from probability point of view. It starts with an inspiring story – Uncle’s dice.

Triangles

The lessons in topic proves criteria of congruence and few other important theories related to triangle.

Areas

This topic proves some theories that relates triangle and parallelograms on base, between same parallel pair.

Geometrical Constructions

The videos in this topic shows construction of perpendicular bisector of line, bisector of angle, triangle etc and explains how those methods work.
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