Science IX
Class 9 Videos
Measurement
Force
Simple Machine
- Machine Advantage and Velocity Ratio
- Efficiency and Friction in a Machine and Lever
- Pulley, Inclined Plane, Wheel and Axle
- Moment and Numericals
Work , Energy And Power
Light
- Refraction of Light and Its Laws
- Effects of Refraction of Light and Total Internal Reflection
- Dispersion of Light, Electromagnetic Waves and Its Properties
Sound
- Sources and Nature
- Wave Velocity, Medium and Spectre
- Reflection and Refraction
- Intensity and Pitch
- Numericals
Current Electricity And Magnetism
Classification Of Elements
- Atom, Atomic Structure, Electronic and Sub-Shell Configuration
- Valence Electrons, Radical and Molecular Formula
- Chemical Bonds, Its Types and Molecular Weight
Chemical Reaction
- Physical and Chemical Change, Chemical Reaction and Balanced Chemical Equations
- Methods of Balancing Chemical Equation
- Types of Chemical Reactions and Catalyst
Solubility
Some Gases
Metals
- Metals and Properties of Metals
- Differences Between Metals and Non-Metals, Role of Metals in Organisms
Carbon And Its Compounds
- Nature and Sources of Carbon
- Physical and Chemical Properties of Carbon
- Organic and Inorganic Compounds
Water
Chemical Fertilizer Used In Agriculture
- Differences Between Organic and Inorganic Fertilizers
- Fertilizer and Its Types
- Inorganic Fertilizers and Its Advantages and Disadvantages
Classification Of Plants And Animals
Adaptation Of Organism
System
- Plant Tissue – Meristematic Tissue
- Plant Tissue _ Simple Permanent Tissue
- Plant Tissue – Complex and Special Permanent Tissue
- Skeletal System – Structure of Bones, Types of Bones and Its Functions
- Skeletal System – Axial Skeleton and Skull
- Skeletal System – Axial Skeleton – Vertebral Column and Thoracic Cage
- Skeletal System – Appendicular Skeleton
- Digestive System
- Respiratory System
Sense Organs
Evolution
- Organic Evolution, Homologous and Analogous Organs
- Evidences Supporting Evolution
- Lamarkism and Its Criticism
- Darwinism and Its Criticism
Nature And Environment
Natural Hazard
Green House
The Earth In The Universe
