General Science | Class 7

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    Chapter 1 Plant Systems (16 videos) (Practice Test)

      1.1: Root And Shoot Systems In Plants (Practice Test)
      Structure of Root
    1. Structure of Root
      1137 views
      2. Absorption of Water Through Roots
    2. Absorption of Water Through Roots
      1338 views
      3. Systems of A Plant
    3. Systems of A Plant
      864 views
      4. Structure of Stem
    4. Structure of Stem
      897 views
      5. Structure of Leaf
    5. Structure of Leaf
      4499 views
      6. Transport System In Plants
    6. Transport System In Plants
      174 views
      7. Transport In Plants
    7. Transport In Plants
      155 views
      8. Translocation
    8. Translocation
      109 views
      9. Water and Stomata
    9. Water and Stomata
      857 views
      1.2: Photosynthesis (Practice Test)
      Preparation of Food by Plants or Photosynthesis
    1. Preparation of Food by Plants or Photosynthesis
      88 views
      2. Structure of Leaf and Photosynthesis
    2. Structure of Leaf and Photosynthesis
      4655 views
      3. Minerals For Plant Growth
    3. Minerals For Plant Growth
      1.3: Respiration In Plants (Practice Test)
      Respiration in Plants
    1. Respiration in Plants
      1994 views
      2. Importance of Respiration
    2. Importance of Respiration
      1082 views
      3. Comparison of Photosynthesis and Respiration
    3. Comparison of Photosynthesis and Respiration
      637 views
      1.4: Transpiration (Practice Test)
      Transpiration
    1. Transpiration
      97 views

    Chapter 2 Human Respiratory And Circulatory Systems (18 videos) (Practice Test)

      2.1: Breathing (Practice Test)
      Respiratory System
    1. Respiratory System
      2357 views
      2. The Mechanism of Breathing
    2. The Mechanism of Breathing
      8682 views
      3. Exchange of Carbon Dioxide And Oxygen
    3. Exchange of Carbon Dioxide And Oxygen
      337 views
      2.2: Respiration (Practice Test)
      Respiration
    1. Respiration
      543 views
      2. Aerobic and Anaerobic Respiration
    2. Aerobic and Anaerobic Respiration
      3. Difference Between Breathing And Respiration
    3. Difference Between Breathing And Respiration
      4. Common Cold
    4. Common Cold
      73 views
      5. Pneumonia
    5. Pneumonia
      146 views
      6. Asthma
    6. Asthma
      213 views
      2.3: Blood Circulation (Practice Test)
      Blood Circulatory System
    1. Blood Circulatory System
      3059 views
      2. Human Heart
    2. Human Heart
      400 views
      3. Working of Circulatory System
    3. Working of Circulatory System
      287 views
      4. Blood Vessels
    4. Blood Vessels
      627 views
      2.4: Blood (Practice Test)
      Composition of Blood
    1. Composition of Blood
      179 views
      2. Types of Blood Cells
    2. Types of Blood Cells
      3. Heart Attack
    3. Heart Attack
      275 views
      4. Symptoms and Prevention of Heart Attack
    4. Symptoms and Prevention of Heart Attack
      68 views
      5. High Blood Pressure or Hypertension
    5. High Blood Pressure or Hypertension
      126 views

    Chapter 3 Immunity And Diseases (12 videos) (Practice Test)

      3.1: Lines of Defence Against Pathogens (Practice Test)
      Immunity, Immunology
    1. Immunity, Immunology
      2849 views
      3.2: Immunity Or Specific Defence (Practice Test)
      Mechanism of Antibody Formation
    1. Mechanism of Antibody Formation
      2. Innate Immunity
    2. Innate Immunity
      3. Adaptive Immunity
    3. Adaptive Immunity
      4. Passive Immunity
    4. Passive Immunity
      1300 views
      3.3: Pathogens Causing Infectious Diseases (Practice Test)
      Main Groups of Microorganisms (Virus, Bacteria and Fungi)
    1. Main Groups of Microorganisms (Virus, Bacteria and Fungi)
      2. Main Groups of Microorganisms (Virus, Bacteria, Fungi)
    2. Main Groups of Microorganisms (Virus, Bacteria, Fungi)
      3. Differentiate Between Infectious and Non-infectious Diseases
    3. Differentiate Between Infectious and Non-infectious Diseases
      4. Causes, Symptoms And Preventions of COVID-19
    4. Causes, Symptoms And Preventions of COVID-19
      3.4: Parts of Immune System (Practice Test)
      Lymphatic System
    1. Lymphatic System
      12200 views
      2. Adaptive Immunity
    2. Adaptive Immunity
      3.5: Avoiding Infections
      Ways To Improve The Immune System
    1. Ways To Improve The Immune System

    Chapter 4 Structure of An Atom (10 videos) (Practice Test)

      4.1: Atom-As A Neutral Particle (Practice Test)
      Structure of An Atom
    1. Structure of An Atom
      302 views
      2. Atomic Number
    2. Atomic Number
      205 views
      3. Mass Number
    3. Mass Number
      152 views
      4. Element - The Simplest Matter
    4. Element - The Simplest Matter
      1755 views
      4.2: Shells Or Orbits (Practice Test)
      Using 2n²
    1. Using 2n²
      116 views
      2. Distribution of Electrons in Shell
    2. Distribution of Electrons in Shell
      660 views
      3. More on Distribution of Electrons in Shell
    3. More on Distribution of Electrons in Shell
      133 views
      4.3: Atomic Structure of First 18 Elements (Practice Test)
      Distribution of Electrons in Shell
    1. Distribution of Electrons in Shell
      660 views
      2. More on Distribution of Electrons in Shell
    2. More on Distribution of Electrons in Shell
      133 views
      4.4: Periodic Table
      The Periodic Table
    1. The Periodic Table

    Chapter 5 Physical And Chemical Changes (13 videos) (Practice Test)

      5.1: Physical And Chemical Change (Practice Test)
      Physical Changes And Processes
    1. Physical Changes And Processes
      219 views
      2. Chemical Changes and Processes
    2. Chemical Changes and Processes
      161 views
      3. Combustion Reaction
    3. Combustion Reaction
      1831 views
      4. Comparison Between Physical And Chemical Changes
    4. Comparison Between Physical And Chemical Changes
      115 views
      5. Impact of Combustion Reaction on Environment
    5. Impact of Combustion Reaction on Environment
      5.2: Chemical Equation (Practice Test)
      Chemical Equation and Writing of Chemical Equation
    1. Chemical Equation and Writing of Chemical Equation
      1466 views
      5.3: Physical And Chemical Properties (Practice Test)
      Physical Properties of Matter
    1. Physical Properties of Matter
      582 views
      2. Solubility
    2. Solubility
      865 views
      3. Chemical Properties
    3. Chemical Properties
      5.4: Using Chemical Properties of Materials
      Chemical Properties
    1. Chemical Properties
      5.5: Using Physical Properties of Materials (Practice Test)
      Physical Properties of Matter
    1. Physical Properties of Matter
      582 views
      2. Solubility
    2. Solubility
      865 views
      5.6: Prevention of Rusting (Practice Test)
      Prevention of Corrosion
    1. Prevention of Corrosion
      5034 views

    Chapter 6 Chemical Bonds (12 videos) (Practice Test)

      6.1: Ion (Practice Test)
      Ions
    1. Ions
      158 views
      6.2: Valency (Practice Test)
      Valency
    1. Valency
      277 views
      2. More on Valency
    2. More on Valency
      103 views
      3. Chemical Formula
    3. Chemical Formula
      109 views
      4. Making Chemical Formula of Ionic Compounds
    4. Making Chemical Formula of Ionic Compounds
      127 views
      6.3: Chemical Bond (Practice Test)
      Chemical Bonds
    1. Chemical Bonds
      2. Ionic Bond
    2. Ionic Bond
      12605 views
      3. Covalent Bond
    3. Covalent Bond
      9028 views
      4. Types of Covalent Bonds
    4. Types of Covalent Bonds
      6542 views
      5. Single Covalent Bond
    5. Single Covalent Bond
      5587 views
      6. Double Covalent Bond
    6. Double Covalent Bond
      4669 views
      7. Triple Covalent Bond
    7. Triple Covalent Bond
      4585 views

    Chapter 7 Solutions (7 videos) (Practice Test)

      7.1: Unsaturated And Saturated Solutions (Practice Test)
      Solution And Its Components
    1. Solution And Its Components
      1202 views
      2. Aqueous, Dilute And Concentrated Solution
    2. Aqueous, Dilute And Concentrated Solution
      1681 views
      3. Particle Model of Solutions
    3. Particle Model of Solutions
      1256 views
      4. Types of Solutions on the Basis of Concentration
    4. Types of Solutions on the Basis of Concentration
      6379 views
      7.2: Solubility (Practice Test)
      Solubility
    1. Solubility
      865 views
      2. Factors Affecting Solubility of Solute in Solvent
    2. Factors Affecting Solubility of Solute in Solvent
      7.3: Ways of Accelerating The Process of Dissolving Materials
      Process of Dissolving Materials
    1. Process of Dissolving Materials

    Chapter 8 Force And Motion (7 videos) (Practice Test)

      8.1: Force (Practice Test)
      Force
    1. Force
      47 views
      8.2: Unit of Force
      Mass And Weight
    1. Mass And Weight
      8.3: Relationship Between Speed, Distance And Time
      Speed and its Measurement
    1. Speed and its Measurement
      2. Formulae To Convert Units of Speed
    2. Formulae To Convert Units of Speed
      3. Distance - Time Graphs
    3. Distance - Time Graphs
      8.4: Contact And Non - Contact Forces (Practice Test)
      Contact and Non-Contact Forces
    1. Contact and Non-Contact Forces
      2. Action And Reaction And Their Examples
    2. Action And Reaction And Their Examples
      190 views

    Chapter 9 Waves And Energy (15 videos) (Practice Test)

      9.1: Waves
      Waves
    1. Waves
      9.2: Mechanical Waves (Practice Test)
      Waves
    1. Waves
      2. Transverse Waves
    2. Transverse Waves
      1579 views
      3. Longitudinal Waves
    3. Longitudinal Waves
      972 views
      4. Sound Waves Are Vibrations
    4. Sound Waves Are Vibrations
      421 views
      9.3: Basic Terms Related To Waves (Practice Test)
      Amplitude And Wavelength of Sound Waves
    1. Amplitude And Wavelength of Sound Waves
      1114 views
      2. Time Period And Frequency of Sound Waves
    2. Time Period And Frequency of Sound Waves
      701 views
      3. Amplitude and Relationship Between Frequency And Time Period of Waves
    3. Amplitude and Relationship Between Frequency And Time Period of Waves
      4. Audible Frequency Range
    4. Audible Frequency Range
      227 views
      9.4: Characteristics of Sound (Practice Test)
      Sound
    1. Sound
      1461 views
      2. Pitch of Sound
    2. Pitch of Sound
      6376 views
      3. Loudness of Sound
    3. Loudness of Sound
      989 views
      4. Factors Affecting Loudness of Sound
    4. Factors Affecting Loudness of Sound
      5. Some Common Phenomenon of Sound
    5. Some Common Phenomenon of Sound
      9.5: Electromagnetic Wave (Practice Test)
      Mechanical and Electromagnetic Waves
    1. Mechanical and Electromagnetic Waves
      4682 views

    Chapter 10 Heat and Temperature (13 videos) (Practice Test)

      10.1: Heat And Temperature (Practice Test)
      Heat And Temperature
    1. Heat And Temperature
      34 views
      2. Temperature Scales
    2. Temperature Scales
      32 views
      3. Converting Temperature Scales
    3. Converting Temperature Scales
      26 views
      10.2: Thermal Expansion And Contraction (Practice Test)
      Thermal Expansion
    1. Thermal Expansion
      6616 views
      2. Expansions of Solids
    2. Expansions of Solids
      39 views
      3. Expansion of Liquids
    3. Expansion of Liquids
      1003 views
      4. Expansion of Gases
    4. Expansion of Gases
      534 views
      10.3: Modes of Heat Transfer (Practice Test)
      Conduction of Heat
    1. Conduction of Heat
      292 views
      2. Transfers of Heat In Liquids
    2. Transfers of Heat In Liquids
      223 views
      3. Radiation
    3. Radiation
      543 views
      4. Applications of Radiations In Our Daily Life
    4. Applications of Radiations In Our Daily Life
      209 views
      10.4: Thermal Insulation In Buildings (Practice Test)
      Practical Methods of Thermal Insulation Used for Constructing Buildings
    1. Practical Methods of Thermal Insulation Used for Constructing Buildings
      2. Vacuum Flask
    2. Vacuum Flask
      514 views

    Chapter 11 Technology In Everyday Life (4 videos)

      11.1: Drip And Sprinkler Irrigation
      Make A Model For Drip And Sprinkler Irrigation System
    1. Make A Model For Drip And Sprinkler Irrigation System
      11.2: Techniques of Preserving Foods
      Methods of Preserving Food
    1. Methods of Preserving Food
      11.3: Simple Stethoscope
      Stethoscope
    1. Stethoscope
      11.4: Hand Sanitizer
      Sanitizer
    1. Sanitizer

    Chapter 12 Earth And Space (8 videos) (Practice Test)

      12.1: Gravitational Force (Practice Test)
      Importance of Gravitational Force
    1. Importance of Gravitational Force
      2. Gravitational Force
    2. Gravitational Force
      663 views
      3. Gravity of Sun And Its Planets
    3. Gravity of Sun And Its Planets
      12.2: Mass And Weight
      Mass And Weight
    1. Mass And Weight
      12.3: Tides
      The Moon and the Tides
    1. The Moon and the Tides
      12.4: Annual Revolution of The Earth Around The Sun
      Earth's Revolution And Seasons
    1. Earth's Revolution And Seasons
      2. Earth's Axis Tilt
    2. Earth's Axis Tilt
      12.5: Constellations
      What Are Constellations?
    1. What Are Constellations?