General Science | Class 9
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- Introduction to Science and Measurement
- Branches of Physics
- Organic and Inorganic Chemistry
- Biochemistry and Analytical Chemistry
- Branches of Biology: Genetics and Embryology
- Relationship of Biology with Other Sciences
- Relationship of Biology with Other Sciences
Chapter 1 Nature of Science ( 8 videos)
1.1: Nature of Science
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1.2: Relationship Between Different Branches of Sciences
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1.3: Science is a Collaborative Field
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- Cell
- Structure of A Plant Cell
- Structure of An Animal Cell
- Cell wall
- Cell Membrane
- Cytoplasm, Cytoskeleton
- Nucleus
- Chromosomes, Nucleolus
- Endoplasmic Reticulum (ER),Ribosomes
- Mitochondria
- Vacuoles
- Plastids
- Difference between Plant and Animal Cell
- Plant tissues, Simple and Compound Tissues
- Epithelial Tissues (Animals Tissues)
- Connective Tissues
- Muscle Tissues
Chapter 2 Cells and Tissues ( 20 videos)
2.1: Cell
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2.2: Cell Organelles
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2.3: Difference Between Animal Cell and Plant Cell
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2.4: Plant and Animal Tissues
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- Biodiversity and its Importance
- Conservation of Biodiversity
- Conservation of Wildlife
- Aims and Basis of Classification
- Two Kingdom Classification System
- Three Kingdom Classification System
- Five Kingdom System
- More on Five Kingdom Classification System
Chapter 3 Biodiversity ( 10 videos)
3.1: Definition and Introduction to Biodiversity
3.2: Importance of Biodiversity
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3.3: Impact of Human Beings on Biodiversity
3.4: Conservation of Biodiversity
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3.5: Classification
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3.6: Systems of Classification
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- Atoms - The Building Blocks of Matter
- Proton, Neutron and Electron
- Using 2n²
- Distribution of Electrons in Shell
- Atomic Number and Mass Number
- Isotopes
- Isotopes of Carbon, Chlorine and Uranium
- Uses of Isotopes
- Rutherford Experiment
- Bohr's Atomic Theory
- Using 2n²
Chapter 4 Structure of Atom ( 14 videos)
4.1: Atom
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4.2: Arrangement of First 20 Elements in the Periodic Table
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4.3: Isotope
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4.4: Rutherford's Experiment
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4.5: Limitations of Rutherford Model of the Atom
4.6: Bohr's Atomic Model
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- Electronic Configuration
- Distribution of Electrons in Shell
- Valency
- Valency
- Why do Atoms Form Chemical Bonds?
- Ionic Bond
- Properties of Ionic Compounds
- Covalent Bond
- Types of Covalent Bonds
- Polar Covalent Bond
- Non polar Covalent Bond
- Properties of Covalent Compounds
- Polar Covalent Bond
- Non polar Covalent Bond
- Comparision of Ionic and Covalent Crystals
Chapter 5 Chemical Bonding ( 19 videos)
5.1: Chemical Bonding (Shells and Subshells)
5.2: Number of Electrons in Valence Shell
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5.3: Definition of Duplet and Octet Rule
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5.4: Applications of Duplet Rule
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5.5: Why Atom Form Chemical Bond
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5.6: Formation of Ionic Bond
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5.7: Properties of Ionic Compound
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5.8: Formation of Covalent Bonds
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5.9: Properties of Covalent Compounds
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5.10: Polar and Non Polar Bonds
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5.11: Difference Between Covalent and Ionic Compounds
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- Renewable and Non-renewable Energy Resources
- Energy From Water
- Energy From Sun
- Wind Energy
- Tidal Power and Wind Power
- Energy from Non-Renewable Sources
- Advantages of Renewable Energy Resources
- Greenhouse Effect
- Smog as Pollutant
Chapter 6 Energy Resources ( 17 videos)
6.1: Energy Resources
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6.2: Advantages of Renewable Energy
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6.3: The Phenomenon of Greenhouse Effect and its Impact on Climate
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6.4: Impact of Green House on Climate
6.5: Smog and Human Health
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6.6: Significance of Greening Education
6.7: Greening Skills
6.8: Green Skills With 21st Century Skills as a Pathway to the Future
6.9: Changes in Atmospheric Pressure with Altitude
6.10: Creation of Solar Oven and Identify the Scientific Concept Involved in it. (STEAM)
- Properties of Matter
- Intermolecular Forces
- Dipole-Dipole Interactions
- Ion-dipole Forces
- London Dispersion Forces
- Hydrogen Bonding
- Diffusion and Effusion in Gases
- Condensation
- Evaporation in Liquids and its Uses
- Water Cycle
- Vapour Pressure of Liquids
- Boiling Points of Liquids
- Density and Freezing Points of Liquids
- Melting
- Sublimation of Solids
- Compressibility and Ease of Flow of Solids
- Density in Solids
- Crystalline Solids
- Amorphous Solids
- Allotropy and Allotropic Forms of Carbon
- Diamond
- Graphite
- Uses of Diamond and Graphite
- Bucky Balls
Chapter 7 States of Matter ( 28 videos)
7.1: Common States of Matter
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7.2: Properties of Gases
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7.3: Properties of Liquids
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7.4: Properties of Solids
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7.5: Amorphous and Crystalline Solids
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7.6: Allotropic Forms of Carbon
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- Measuring with Meter Rule and Measuring Tape
- Standard of Time-Second
- Measuring Time by Stopwatch
- Introduction to Significant Figures
- Rounding Off the Numbers
- Problem on Rounding Off the Numbers
Chapter 8 Measurement ( 9 videos)
8.1: Physical Quantities
8.2: Measurement
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- Introduction to Efficiency
- Problem on Introduction to Efficiency
Chapter 9 Forces ( 13 videos)
9.1: Force of Gravitation
9.3: Friction
9.4: Efficiency
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- Scales of Temperature
- Linear Thermal Expansion in Solids
- Consequences of Thermal Expansion
Chapter 10 Heat ( 11 videos)
10.1: Heat and Temperature
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10.2: Thermal Expansion
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10.3: Melting and Boiling of Water
10.4: Conduction, Convection and Radiation
