CBSE - Class 09 - Old - Science

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Videos
01 Introduction Matter and Particles
02 Size of Particles
03 Particles in Motion
04 Particles attract each other
05 Solid Liquid and gas state
06 Question time
07 Change in states of matter
08 Sublimation and effect of change in Pressure
09 Evaporation
10 Cooling effects of evaporation

Videos
Is Matter Around Us Pure
01 Introduction Mixture
02 Homogeneous and heterogeneous mixture
03 Colloids Solution and suspension introduction
04 Solution
05 Concentration of solution
06 Solubility of Solution
07 Suspension
08 Colloids and Numerical
09 Separate dye from ink and dye particles

Videos
Structure of Atom
01 Introduction History
02 Dalton Atomic Theory and Thompson Model
03 Rutherford Model
04 Bohr and Quantum model Neutrons
05 Electrons in different shells
06 Valency
07 Atomic number and atomic Mass
08 Isotopes and isobars
09 Recap and Numericals

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Videos
Fundamental Unit of Life
01 Introduction and Discovery of Cell
02 Cell theory Evolution
03 Unicellular organism
04 Multicellular organism
05 Structure of cell Plasma membrane
06 Structure of cell Cell wall
07 Structure of cell Nucleus
08 Structure of cell Cytoplasm and organelles
09 Cell Organelles Endoplasmic Reticulum

Videos
Tissues
01 Introduction
02 Plant vs Animal tissues
03 Meristematic Tissues
04 Types of Meristematic tissues
05 Simple Permanent tissue
06 Complex Permanent tissues Xylem and Phloem
07 Animal Tissues Introduction
08 Epithelial tissues Structure and Function
09 Epithelial tissues types

Videos
Motion
01 Introduction Rectilinear and circular motion
02 Path Length and Displacement
03 Scalar and vector quantity
04 Speed and Velocity
05 Uniform and non uniform motion
06 Average and instantaneous speed and velocity
07 Numerical
08 Numerical
09 Acceleration

Videos
Force and Laws of Motion
01 Introduction Balanced and unbalanced force
02 Aristotle and Galileos law
03 Newtons 1st first law Inertia
04 Newtons 2nd second law Momentum
05 Newtons 3rd third law
06 Conservation of momentum
07 Numerical
08 Numerical
09 Numerical

Videos
Gravitation
01 Introduction
02 Universal law of gravitation
03 Universal law of gravitation mathematical formula
04 Acceleration due to gravity
05 Mass and Weight
06 Numerical
07 Numerical
08 Thurst and Pressure
09 Thurst and Pressure Examples Application

Videos
Work and Energy
01 Introduction to Work and Numericals
02 Kinetic Energy
03 Potential Energy
04 Conservation of Energy
05 Power and Numericals

Videos
Sound
01 Production and Propagation of sound
02 Longitudinal nature of sound
03 Characteristics of Sound Wavelength frequency time period
04 Characteristics of Sound Pitch amplitude Quality
05 Characteristics of Sound Speed
06 Characteristics of Sound Numerical
07 Reflection of Sound Echo
08 Reflection of Sound Reverberation
09 Range of Hearing

Videos
Why do We Fall ill
01 Significance of Health
02 Factors affecting Health
03 Disease Signs and Symptoms Acute vs Chronic
04 Cause of Disease
05 Infectious and Non infectious disease agents
06 knowing infectious agents help disease treatment
07 Means of spread of Infectious disease
08 How infectious agents target our body
09 Principle of Prevention and treatment

Videos
Improvements in Food Resources
01 Introduction
02 Crops yields improvement techniques
03 Crops variety improvement why
04 Crops variety improvement how
05 Crop production nutrient management
06 Manure
07 Fertilizers organic farming
08 Irrigation
09 Rain water harvesting