Tamil Nadu Board of Secondary EducationTamil Nadu Primary School Class 4

Science Tamil Nadu Primary School Class 4 Tamil Nadu Board of Secondary Education Syllabus 2023-24

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Tamil Nadu Board of Secondary Education Class 4 Science Syllabus - Free PDF Download

Tamil Nadu Board of Secondary Education Syllabus 2023-24 Class 4: The Tamil Nadu Board of Secondary Education Class 4 Science Syllabus for the examination year 2023-24 has been released by the , Tamil Nadu Board of Secondary Education. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2023-24 Tamil Nadu Board of Secondary Education Class 4 Science Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new Tamil Nadu Board of Secondary Education syllabus to prepare for their annual exam properly.

The detailed Tamil Nadu Board of Secondary Education Class 4 Science Syllabus for 2023-24 is below.

Academic year:

Tamil Nadu Board of Secondary Education Class 4 Science Revised Syllabus

Tamil Nadu Board of Secondary Education Class 4 Science and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 4 Science Course Structure 2023-24 With Marking Scheme

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Syllabus

Tamil Nadu Board of Secondary Education Class 4 Science Syllabus for Chapter 1: Term - 1

1.1 My Body
  • Human Organ System  
  • The Human Brain  
    • Brain
    • How are these Tissues protected?
    • How does the Nervous Tissue cause Action?
  • Central Nervous System (CNS): Structure of Human Brain  
    • Three main parts:
    1. Cerebrum (cerebrum: brain)
    2. Cerebellum ("little brain")
    3. Medulla Oblongata
    • Three Primary Regions of the Brain:
    1. Forebrain
    2. Midbrain
    3. Hindbrain
  • Lungs  
  • The Stomach  
  • Human Heart  
    • Location
    • Heart wall
    • Chambers of the heart
    • Blood vessels entering and leaving the heart
    • Valves regulate the flow of blood in a single direction
  • Kidney and Its Internal Structure  
    • Kidneys
    • Internal Structure of the kidney
  • Bone and Its Types  
    • Bone
    • Types of Bones
    1. Long Bones
    2. Short Bones
    3. Flat Bones
    4. Irregular Bones
  • Muscles and Its Types  
    1. Voluntary Muscles or Skeletal Muscles
    2. Involuntary Muscles or Smooth muscle
    3. Cardiac Muscles
  • The Teeth and Its Structure  
  • Oral Health  
  • Good Touch, Bad Touch and Don’t Touch  
1.2 Matter and Materials
  • Material and Its Properties  
  • Classification of Material  
  • Some Important Terms Related to Light  
  • Light  
  • Sources of Light  
  • Reflection of Light  
    • Reflection of Light
    • How do we see an object?
1.3 Work and Energy
  • Introduction of Work  
    • Work
    • Application of force
    • Two conditions need to be satisfied for work to be done
    • Factors affecting the amount of work done
  • Concept of Work  
    • Definition of work
    • Units of work
    • Relationship between joule and erg
    • Positive, Negative, and Zero Work
  • Concept of Energy  
    • Energy is the capacity to do work
    • Relationship between work and energy
    • Units of energy
  • Mechanical Energy and Its Different Form  
  • Heat Energy (Thermal Energy)  
  • Light Energy  
  • Solar Energy  
    • Solar Energy
    • Production of electricity from solar energy
    • Solar photovoltaic cell
    • Application of solar energy
    • Solar Thermal power plant
  • Electrical Energy  
    • Electrical energy
    • Application of Electrical Energy
  • Chemical Energy  
  • Conventional Sources of Energy and Non-conventional Sources of Energy  
    • Conventional Sources of Energy (Inexhaustible Natural Resources)
    • Non-Conventional Sources of Energy (Exhaustible Natural Resources)
    • Difference between Conventional Sources of Energy and Non-Conventional Sources of Energy
  • Simple Machines  
    • Simple machine
    • Function and uses of Simple machine
  • Pulley  
    • Pulley
    • The mechanical advantage of the pulley
  • Inclined Plane  
  • Wedge  
  • Screw  
  • Wheel and Axle  
  • Lever  
    • Levers
    • Principle of a lever (M.A. of a lever)
  • Kinds of Levers  
    1. Class I levers
    2. Class II levers
    3. Class III levers
1.4 Science in Everyday Life
  • Milk  
  • Food and Its Types  
  • Cooking and Different Method of Cooking  
  • Baking of Bread, Biscuit and Cake  
  • Gadgets  

Tamil Nadu Board of Secondary Education Class 4 Science Syllabus for Chapter 2: Term - 2

2.1 Food
  • Food and Its Types  
  • Cooking and Different Method of Cooking  
  • Cooking Habit  
  • Cooking Utensils  
  • Meal-time Hygiene  
  • Food During Illness  
  • Food Wastage  
  • Preservation of Food  
  • Methods of Food Preservation  
2.2 Water
  • Water, Our Lifeline  
    • Introduction
    • Water: A Compound
    • Occurrence of water
  • States of Matter  
    1. Solid
    2. Liquid
    3. Gas
    • The Solid State  
    • The Liquid State  
    • The Gaseous State  
  • Change in State of Water  
  • Biogeochemical Cycle  
    • Water Cycle  
      • Water Cycle
      • Evaporation
      • Sublimation
      • Transpiration
      • Condensation
      • Precipitation
      • Runoff
      • Infiltration
      • Percolation
      • Importance of water cycle
      • Human impacts on the water cycle
  • Water Management (Conservation of Water)  
    • Fresh Water Management  
2.3 Plants
  • Plant Forms and Functions  
  • Plant Leaf  
  • Photosynthesis: Food-Making Process in Plants  
    • Photosynthesis
    • Requirements for Photosynthesis
  • Process of Photosynthesis  
  • Classification of Plants  
  • Flower  
  • Types of Flower  
  • Seasonal Flowers  
  • Exotic Plants  
  • Plants as Food  

Tamil Nadu Board of Secondary Education Class 4 Science Syllabus for Chapter 3: Term - 3

3.1 Green Environment
  • Solid Waste Management  
  • Five R’s of Waste Management  
  • Environmental Conservation  
    • Need of environmental conservation
    • Environmental Conservation. Our social responsibility
  • Waste Separation Exercise  
  • Plastics in Tamil Nadu  
  • Environment Friendly Materials  
  • Litter Free Environment  
3.2 Life of Animals
  • Group Behaviour in Animals  
  • Adaptations and Its Types  
    • Adaptation
    • Some more examples of adaptations
    • Three basic types of adaptations
    1. Structural adaptations
    2. Physiological adaptations
    3. Behavioural adaptations
  • Structure of Insects  
  • Adaptation in Animals  
    • Adaptation for Blending with the Surroundings  
  • Animals Active at Night  
  • Parental Care  
3.3 Air We Breathe
  • Air Around Us  
    • Air Around us
    • Properties of air
    • Experiments with an empty bottle
  • Importance of Air  
  • Air is a Mixture  
  • Composition and Components of Air  
  • Components of Air: Nitrogen  
  • Importance of Nitrogen  
  • Components of Air: Oxygen  
  • Importance of Oxygen  
  • Components of Air: Carbon Dioxide  
  • Importance of Carbon Dioxide  
  • Air Pollution and Its Causes  
    • Air Pollution
    • Causes of Air pollution
    • Sources of Air Pollution
  • Effects of Air Pollution  
  • Prevention of Air Pollution  
    • Measures to control air pollution
    • Devices to control air pollution
    1. Electrostatic precipitator (ESP)
    2. Scrubbers
    3. Catalytic converters
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