General Science | Class 4

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    Chapter 1 Characteristics and Life Processes of Organisms (14 videos)

      1.1: Characteristics of Major Groups of Living Things
      Living and Non-Living Things
    1. Living and Non-Living Things
      1.2: Similarities and Differences Between Plants and Animals
      Kingdom Plantae and Kingdom Animalia
    1. Kingdom Plantae and Kingdom Animalia
      1.3: Classification of Animals
      Vertebrates
    1. Vertebrates
      2. Invertebrates
    2. Invertebrates
      1.4: Classification of Plants
      Flowering Plants
    1. Flowering Plants
      2. Non-flowering Plants
    2. Non-flowering Plants
      3. Diversity In Life and Ways To Protect Diversity
    3. Diversity In Life and Ways To Protect Diversity
      1.5: Major Body Parts, Vital Organs and their Functions
      Teeth
    1. Teeth
      2. Bones
    2. Bones
      3. Stomach And Skin
    3. Stomach And Skin
      4. Major Parts of Body (Lung, Heart) and Their Functions
    4. Major Parts of Body (Lung, Heart) and Their Functions
      5. Movement of Our Body by Muscles
    5. Movement of Our Body by Muscles
      1.6: Parts of Plants and their Functions
      Parts of a Plants
    1. Parts of a Plants
      2. Parts of a Plant
    2. Parts of a Plant

    Chapter 2 Ecosystem (9 videos)

      2.1: Ecosystem
      Ecosystem and its Types
    1. Ecosystem and its Types
      2.2: Components of Ecosystem
      The Living and Non-living Components of Environment
    1. The Living and Non-living Components of Environment
      2. Role of Biotic and Abiotic Components in an Ecosystem
    2. Role of Biotic and Abiotic Components in an Ecosystem
      2.3: Balanced Ecosystem
      Value of a Balanced Ecosystem
    1. Value of a Balanced Ecosystem
      2.4: Food Chain
      Food Chain
    1. Food Chain
      2.5: Predator-Prey Relationships
      Common Predators and Their Prey
    1. Common Predators and Their Prey
      2.6: Competition Amongst Organisms
      Living Things Compete with Each Other for Food And Space
    1. Living Things Compete with Each Other for Food And Space
      2.7: Impact of Human Actions on Food Chain in an Ecosystem
      Factors Affecting Food Chains in an Ecosystem
    1. Factors Affecting Food Chains in an Ecosystem
      2.8: Role of Humans to Save the Ecosystem
      Conservation of Environment
    1. Conservation of Environment

    Chapter 3 Human Health (9 videos)

      3.1: Symptoms, Transmission, and Prevention of Communicable Diseases
      Difference Between Contagious and Non-contagious Diseases
    1. Difference Between Contagious and Non-contagious Diseases
      3.2: Prevention of Contagious Diseases
      Ways to Avoid Infections
    1. Ways to Avoid Infections
      2. Antibiotics and Vaccines
    2. Antibiotics and Vaccines
      3.3: Ways of Maintaining Good Health
      Keeping Healthy and Strong
    1. Keeping Healthy and Strong
      3.4: Balanced Diet And Its Components
      Balanced Diet and Its Importance
    1. Balanced Diet and Its Importance
      2. Food Groups and their Importance
    2. Food Groups and their Importance
      3.5: Value of Clean Drinking Water
      Uses of Water
    1. Uses of Water
      2. Water Pollution
    2. Water Pollution
      3. Separation of Insoluble Solids From Water
    3. Separation of Insoluble Solids From Water

    Chapter 4 Matter and Its Characteristics (8 videos)

      4.1: States of Matter and It's Characteristics
      Matter and Its States
    1. Matter and Its States
      4.2: Classification of Objects on the Basis of Physical Properties
      Comparison of Objects on the Basis of Physical properties
    1. Comparison of Objects on the Basis of Physical properties
      4.3: States of Matter and Arrangement of Particles
      Properties of Solids and their Particle Arrangements
    1. Properties of Solids and their Particle Arrangements
      2. Properties of Liquids and their Particle Arrangement
    2. Properties of Liquids and their Particle Arrangement
      3. Properties of Gases and their Particle Arrangement
    3. Properties of Gases and their Particle Arrangement
      4. Conductors and Insulators
    4. Conductors and Insulators
      4.4: Physical Properties of Metals
      Metals and their Properties
    1. Metals and their Properties
      4.5: Metals as Conductors
      Properties of Metals
    1. Properties of Metals

    Chapter 5 Forms of Energy and Energy Transfer (12 videos)

      5.1: Transformation of Energy
      Energy and its Needs
    1. Energy and its Needs
      2. Sources of Energy
    2. Sources of Energy
      5.2: Conservation of Energy
      How to Save Energy?
    1. How to Save Energy?
      5.3: Light
      Light and Shadow
    1. Light and Shadow
      5.4: Reflection of Light
      Reflection of Light
    1. Reflection of Light
      5.5: Rainbow
      Reflection in Water and Mirrors and Formation of Rainbow
    1. Reflection in Water and Mirrors and Formation of Rainbow
      5.6: Sound Energy
      Production and Propagation of Sound
    1. Production and Propagation of Sound
      5.7: Heat
      Heat and Temperature
    1. Heat and Temperature
      2. Thermometers and Its Types
    2. Thermometers and Its Types
      3. Electrical energy In A Circuit Can Be Transformed Into Other Forms of Energy
    3. Electrical energy In A Circuit Can Be Transformed Into Other Forms of Energy
      4. Electric Circuit and Its Components
    4. Electric Circuit and Its Components
      5. Flow of Current and a Complete Circuit
    5. Flow of Current and a Complete Circuit

    Chapter 6 Forces and Motion (11 videos)

      6.1: Force
      Force
    1. Force
      6.2: Motion
      Force
    1. Force
      6.3: Gravity
      Importance of Gravitational Force
    1. Importance of Gravitational Force
      6.4: Friction
      Friction
    1. Friction
      2. Advantages of Friction
    2. Advantages of Friction
      3. Disadvantages of Friction
    3. Disadvantages of Friction
      4. Methods to Reduce Friction
    4. Methods to Reduce Friction
      6.5: Simple Machines
      Simple Machines
    1. Simple Machines
      2. Lever
    2. Lever
      3. Pulley and Wedge
    3. Pulley and Wedge
      4. Inclined Plane and Gear
    4. Inclined Plane and Gear

    Chapter 7 Earth and its Resources (8 videos)

      7.1: Earth And Its Physical Characteristics
      Earth’s Surface
    1. Earth’s Surface
      7.2: Distribution of Water on Earth's Surface
      Water Cycle
    1. Water Cycle
      7.3: Earth’s Resources
      Natural Resources and Their Importance
    1. Natural Resources and Their Importance
      2. Formation of Fossils
    2. Formation of Fossils
      3. Renewable Resources
    3. Renewable Resources
      4. Non-renewable Resources
    4. Non-renewable Resources
      5. Effects of Decreasing Natural Resources
    5. Effects of Decreasing Natural Resources
      7.4: Conservation of Natural Resources
      Conservation of Natural Resources
    1. Conservation of Natural Resources

    Chapter 8 Earth’s Weather and Climates (4 videos)

      8.1: Weather and Climate
      The Weather
    1. The Weather
      2. Earth's Weather and Climate
    2. Earth's Weather and Climate
      3. Temperature Changes With Season and Location on Earth
    3. Temperature Changes With Season and Location on Earth
      8.2: Global Change in Climate
      Effects of Burning Fossil Fuels and Releasing Greenhouse Gases
    1. Effects of Burning Fossil Fuels and Releasing Greenhouse Gases

    Chapter 9 Solar System And Our Earth (12 videos)

      9.1: Solar System
      Solar System
    1. Solar System
      2. Planets of Our Solar System
    2. Planets of Our Solar System
      3. Mercury, Venus, Earth and Mars
    3. Mercury, Venus, Earth and Mars
      9.2: Moon
      The Moon and Stars
    1. The Moon and Stars
      2. Movement and Phases of Moon
    2. Movement and Phases of Moon
      9.3: Rotational Movement of the Earth
      Day and night
    1. Day and night
      9.4: Relation of Changing Shadows with Axial Rotation of Earth
      Size of Shadow With The Position of Sun
    1. Size of Shadow With The Position of Sun
      9.5: Annual Rotation of Earth Around the Sun
      Earth's Revolution and Rotation
    1. Earth's Revolution and Rotation
      2. Seasons in Northern and Southern Hemispheres
    2. Seasons in Northern and Southern Hemispheres
      3. Seasons in Northern and Southern Hemispheres (continued)
    3. Seasons in Northern and Southern Hemispheres (continued)
      9.6: Lunar Eclipse
      Solar and Lunar Eclipses
    1. Solar and Lunar Eclipses
      9.7: Solar Eclipse
      Solar and Lunar Eclipses
    1. Solar and Lunar Eclipses

    Chapter 10 Technology in Everyday Life (4 videos)

      10.1: Use of Mobile Phone
      Mobile Computers
    1. Mobile Computers
      155 views
      10.2: First Aid Box
      Important Components of First Aid Box
    1. Important Components of First Aid Box
      10.3: Checking Blood Pressure
      Using Digital and Clinical Thermometer to Measure Body Temperature
    1. Using Digital and Clinical Thermometer to Measure Body Temperature
      2. Digital Blood Pressure Monitor
    2. Digital Blood Pressure Monitor