E-School For 9th Class

Subject :Mathematics

Lession :COORDINATE GEOMETRY (Chapter-3)

Co-ordinate Geometry

Lecture 1 : Cartesian System

Lession :INTRODUCTION TO EUCLID’S GEOMETRY (Chapter-5)

Introduction to Euclid's Geometry

Lecture 1 : Introduction

Lecture 2 : Euclid’s definition and postulates

Lecture 3 : Revision

Lession :LINEAR EQUATIONS IN TWO VARIABLES (Chapter-4)

Linear Equations in Two Variables

Lecture 1 : Linear Equations

Lecture 2 : Solutions of Linear Equations

Lecture 3 : Graph of a linear equation in two variables

Lecture 4 : Revision

Lession :NUMBER SYSTEMS (Chapter-1)

Number Systems

Lecture 1 : Introduction & Irrational Numbers

Lecture 2 : Rational Numbers & Rational Numbers on number line

Lecture 3 : Operations On Real Numbers & Laws Of Exponents With Integral Power

Lecture 4 : Revision

Lession :POLYNOMIALS (Chapter-2)

Polynomials

Lecture 1 : Polynomial in one variable

Lecture 2 : Roots/Zeroes of a polynomial

Lecture 3 : Remainder theorem & Factorization of polynomial

Lecture 4 : Algebraic Identities

Lecture 5 : Revision

Subject :Science

Lession :ATOMS AND MOLECULES (Chapter-3)

ATOMS AND MOLECULES

Lecture 2 : Atomic mass and Molecular mass & Writing chemical formulae

Lecture 1 : Law of chemical combination & Introduction To The Concept Of Atoms And Molecules

Lecture 3 : Mole concept & Application of mole concepts

Lecture 4 : Revision

Lession :IS MATTER AROUND US PURE (Chapter-2)

IS MATTER AROUND US PURE

Lecture 1 : Mixtures; Types of Mixtures; What is solution? & Suspension and colloids

Lecture 2 : Separating the mixtures & Obtaining different gases from air

Lecture 3 : Physical and chemical change & Elements and compounds

Lecture 4 : Revision

Lession :MATTER IN OUR SURROUNDINGS (Chapter-1)

MATTER IN OUR SURROUNDINGS

Lecture 1 : Physical nature of matter; Characteristics of particles of matter & States of matter

Lecture 2 : Can matter change its state; Evaporation & How does evaporation cause cooling

Lecture 3 : Revision

Lession :STRUCTURE OF THE ATOM (Chapter-4)

STRUCTURE OF THE ATOM

Lecture 2 : Bohr’s model of atom; Neutrons & How are electrons distributed in different orbits

Lecture 1 : Electrons and Protons; Thomson’s model of atom; Rutherford’s model of an atom & Drawbacks of Rutherford’s model

Lecture 3 : Valency; Atomic number and mass number & Isotopes and Isobars

Lecture 4 : Revision

Lession :THE FUNDAMENTAL UNIT OF LIFE (Chapter-5)

THE FUNDAMENTAL UNIT OF LIFE

Lecture 3 : Lysosomes; Mitochondria; Plastids & Vacuoles

Lecture 4 : Revision

Lecture 2 : Cytoplasm; Cell Organelles; Endoplasmic reticulum & Golgi apparatus

Lecture 1 : Multicellular Organisms; Prokaryotic cell and eukaryotic cell; Cell wall and cell membrane & Nucleus