Science English Medium Class 10 CBSE Syllabus 2023-24


CBSE Class 10 Science Syllabus - Free PDF Download

CBSE Syllabus 2023-24 Class 10: The CBSE Class 10 Science Syllabus for the examination year 2023-24 has been released by the Central Board of Secondary Education, CBSE. 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 CBSE Class 10 Science Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CBSE syllabus to prepare for their annual exam properly.

The detailed CBSE Class 10 Science Syllabus for 2023-24 is below.

Academic year:


CBSE Class 10 Science Syllabus for Chapter 1: Chemical Substances - Nature and Behaviour (Chemistry)

1 Chemical Reactions and Equations
  • Chemical Equation  
    • Chemical Equation
    • Need for Chemical equation
    • Limitation of Chemical equation
  • Balancing Chemical Equation  
    • Steps in writing the skeleton equation
    • Balancing chemical equation
    • Information conveyed by a balanced chemical equation
    • A chemical equation can be made more informative by writing the additional information. 
  • Types of Chemical Change or Chemical Reaction  
    • Direct Combination (or Synthesis) Reaction  
    • Decomposition Reactions  
    • Single Displacement Reactions  
    • Double Displacement Reaction  
  • Oxidation, Reduction and Redox Reactions  
    • Oxidation
    • Reduction
    • Redox Reactions
    • Oxidising agents and Reducing agents
    • Oxidation reactions in daily life
    • Oxidation number
  • Corrosion of Metals and Its Prevention  
  • Rancidity of Food and Its Prevention  
2 Acids, Bases and Salts
  • Acids  
    • Acids
    • Examples of acids
  • Bases (Alkalis)  
    • Bases (Alkalis)
    • Basic oxide
    • Basic hydroxide
  • Indicators  
  • Properties of Acids  
    • Properties of Acids
    • Physical properties of Acids
    1. Taste
    2. Physical state
    3. Effect on skin
    4. Colours of indicators
    • Chemical properties of Acids
    1. Reaction with active metals
    2. Reaction with bases - Neutralisation
    3. Decomposition of hydrogen carbonates and carbonates
    4. Decomposition of sulphites and bisulphites
    5. Decomposition of sulphides
    6. Reaction with chlorides and nitrates
    7. Reaction with metal oxide
  • Properties of Bases (Alkalis)  
    • Properties of Bases (Alkalis)
    • Physical properties of Bases (Alkalis)
    • Chemical properties of Bases (Alkalis)
    1. Reaction with metals
    2. Reaction with non-metal oxides
    3. Reaction with ammonium salts
  • Acid or a Base in a Water Solution  
  • Similarities and Differences Between Acids and Bases  
    • Similarities and differences between acids and bases
    • Acid solution in water conducts electricity
    • What Happens to an Acid or a Base in a Water Solution?
  • Strength of Acidic or Basic Solutions  
    • pH Scale
    • Importance of pH in Everyday Life
  • Salts  
    • Salts
    • Family of Salts
    • pH of Salts
  • Important Salts in Daily Life  
    • Preparation and Uses of Sodium Hydroxide  
    • Preparation and Uses of Bleaching Powder  
    • Preparation and Uses of Baking Soda  
    • Preparation and Uses of Washing Soda  
    • Preparation and Uses of Plaster of Paris  
3 Metals and Non Metals
  • Types of Elements: Metals  
    • Metals
    • Occurrence of metal
    • Uses of Metals
  • Physical Properties of Metals  
  • Chemical Properties of Metal  
  • Types of Elements: Non-metal  
    • Non-metals
    • Occurrence of non-metal
    • Uses of Non-metals
  • Physical Properties of Non-metal  
  • Chemical Properties of Non-metal  
  • Electrovalent (or Ionic) Bond  
    • Ionic Bond
    • Electrovalent Bond
    • Electronegativity and Ionic Bonding
    • Ionic Bond Properties
    • Characteristics of Ionic compounds
    • Examples of Ionic Bonds
  • Reactivity Series of Metals  
  • Extraction of Metals  
    • Extraction of Metals
    • Enrichment of ores
    • Extracting Metals Low in Reactivity Series
    • Extracting Metals in the Middle of Reactivity Series
    • Extraction of Metals Towards the Top of the Reactivity Series
  • Refining of Metals  
    • Refining of Metals
    1. Distillation
    2. Liquation
    3. Electro refining
    • Electrolytic Refining
  • Corrosion of Metals and Its Prevention  
  • The Covalent Bond  
    • Covalent Bond
    • Covalent Bonding can be Achieved in two Ways
    • Covalent Bonding in Carbon Atom
    • Properties of Covalent Bond
    • Polar Covalent Bond
    • Non-polar Covalent Bond
    • Polarization of Covalent Bonds
4 Carbon and its Compounds
  • Carbon: a Versatile Element  
    • Carbon
    • Versatile nature of Carbon
    • Occurrence of carbon
  • The Covalent Bond  
    • Covalent Bond
    • Covalent Bonding can be Achieved in two Ways
    • Covalent Bonding in Carbon Atom
    • Properties of Covalent Bond
    • Polar Covalent Bond
    • Non-polar Covalent Bond
    • Polarization of Covalent Bonds
  • Saturated and Unsaturated Carbon Compounds  
  • Allotropy and Allotropes of Carbon  
    • Crystalline Allotropes of Carbon: Diamond  
    • Crystalline Allotropes of Carbon: Graphite  
    • Crystalline Allotropes of Carbon: Fullerene  
  • Chains, Branches and Rings of Carbon Compound  
  • Functional Groups in Carbon Compounds  
    • Functional Groups in Carbon Compounds
    • Classification of organic compounds based on functional groups
  • Homologous Series of Carbon Compound  
    • Homologous series
    • Characteristics of homologous series
    • Significance of the homologous series
  • Nomenclature of Organic Compounds (IUPAC)  
    • Why do we need nomenclature?
    • Components of an IUPAC name
    • IUPAC rules for naming organic compounds
  • Chemical Properties of Carbon Compound  
  • Ethanol  
    • Ethanol
    • Manufacture of ethanol
    • Physical properties of ethanol
    • Chemical Properties of ethanol
    • Uses of ethyl alcohol
    • Important uses of Ethanol
  • Ethanoic Acid  
    • Ethanoic Acid (Acetic acid)
    • Manufacture of ethanoic acid
    • Physical Properties of ethanoic acid
    • Chemical Properties of ethanoic acid
    • Uses of ethanoic acid
  • Soap  
    • Soap
    • Types of soaps
    1. Hard soaps
    2. Soft soaps
    • Manufacture of soap
    • Effect of hard water on soap
  • Detergents  
    • Detergents
    • Types of Detergents
    • Preparation of detergents
  • Cleansing Action of Soap  
5 Periodic Classification of Elements

CBSE Class 10 Science Syllabus for Chapter 2: World of Living (Biology)

6 Life Processes
7 Control and Co-ordination
  • Control and Co-ordination in Animals  
  • Human Nervous System  
    • Human Nervous system
    • Need of Nervous System
    • Components of Nervous System
  • Neural Tissue  
    • Neuron (Or Nerve Cell) and Its Types  
      • Neuron
      • Types of neurons
      1. Unipolar neurons
      2. Bipolar neurons
      3. Multipolar neurons
      4. Sensory or afferent neurons
      5. Motor or efferent neurons
      6. Association (connecting) neurons
      • Nerve
      • Types of Nerve
      1. Sensory nerves
      2. Motor nerves
      3. Mixed nerves
      • Difference between Neuron and Nerve
  • Neuron (Or Nerve Cell) and Its Types  
    • Neuron as Structural and Functional Unit of Neural System  
      • Neuron consists of three parts: Cell body, axon and dendrites
      • Structure of the neuron
        1) Cell body (Cyton)
        2) Axon - Neuron-muscular junction, synaptic knob, neurotransmitters
        ⇒ Types of axons:
        a) Myelinated nerve fibres: Schwann cells, Nodes of Ranvier
        b) Non-myelinated nerve fibres
        3) Dendrites
      • Types based on the number of axons and dendrites
        (i) Unipolar
        (ii) Bipolar
        (iii) Multipolar
    • Nerve Fibres  
      • Nerve Fibres
      • Properties of nerve fibres
      • Types of Nerve Fibres
      1. Myelinated nerve fibre
      2. Non-myelinated nerve fibre
  • Major Division of the Nervous System  
    • The major division of The Nervous System
    1. Central Nervous System (CNS)
    2. Peripheral nervous system (PNS)
    • Somatic Nervous System
    • Autonomic Nervous System
    • Components of the nervous system at a glance
  • Central Nervous System (CNS)  
    • Central nervous system (CNS)
    • CSF (cerebrospinal fluid)
  • Peripheral Nervous System (PNS)  
    • Peripheral Nervous System (PNS)
    • Types of Peripheral Nervous System (PNS)
    1. Somatic Nervous System
    2. Autonomic Nervous System
    3. Emotions and autonomic nervous 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. Mid brain
    3. Hindbrain
  • Reflex and Reflex Action  
    • Reflexes
    • Types of actions
    1. Voluntary actions 
    2. Involuntary actions
  • Nervous Pathways in Reflexes  
  • Reflex Arc  
    • Various terms associated with reflex arc:
    1. Receptor
    2. Sensory neuron
    3. Central nervous system
    4. Motor neuron
    5. Effector
  • Co-ordination in Plant: Tropism in Plants  
    • Immediate Response to Stimulus
    • Movement Due to Growth
    1. Phototropism
    2. Geotroplsm
    3. Hydrotroplsm
    4. Thigmotropism
    5. Chemotropism
  • Hormones  
    • Properties of Hormones
    • Functions of hormones
    • Mechanism of hormone action
    1. Mode of hormone action through membrane receptors
    2.  Mode of action through intracellular receptors
  • Plant Hormones  
    • Plant Hormones
    • Types of Plant Hormones
  • Types of Plant Hormones: Auxins  
    • Auxins
    • Physiological effects and applications of auxin
  • Types of Plant Hormones: Gibberellins  
    • Gibberellins
    • Physiological effects and application of Gibberellins
  • Types of Plant Hormones: Cytokinins  
    • Cytokinin
    • Physiological effects and applications of cytokinin
  • Types of Plant Hormones: Abscisic Acid (ABA)  
    • Abscissic Acid
    • Physiological effects and application of ABA
  • Types of Plant Hormones: Ethylene  
    • Ethylene
    • Physiological effects and application of ethylene
  • Hormones in Animals  
  • Human Endocrine System  
    • Human Endocrine System
    • The hormones at a glance
  • Human Endocrine Glands  
    • Pituitary Gland or Hypophysis Gland  
      • Pituitary gland
      • Division of pituitary gland
        (i) Adenohypophysis (anterior pituitary): Pars distalis, pars tuberalis
        (ii) Neurohypophysis (posterior pituitary): Pars nervosa, infundibulum, MSH (Melanocyte Stimulating Hormone)
      • Hormones of adenohypophysis/ hormones of pars distalis:
        (i) Growth Hormone (GH)
        (ii) Thyroid-stimulating hormone (TSH)
        (iii) Adrenocorticotropic hormone (ACTH)
        (iv) Prolactin
        (v) Follicle-stimulating hormone (FSH)
        (vi) Luteinizing hormone (LH)
      • Hormones of neurohypophysis
    • Thyroid Gland  
      • Thyroid gland: Isthmus, Follicles and stromal tissues, tetraiodothyronine or thyroxine (T4), triiodothyronine (T3), thyrocalcitonin (TCT), Iodine
      • Functions of thyroid hormones
    • Parathyroid Gland  
      • Parathyroid gland
      • Functions of parathyroid hormone
    • Pancreas (Islets of Langerhans)  
      • Pancreas (Islets of Langerhans): α-cells and β-cells
        (i) Insulin
        (ii) Glucagon
      • Other hormone secreting cells of islets of Langerhans
        (i) Delta or D cells
        (ii) F cells
    • Adrenal Gland (Suprarenal Gland)  
      • Adrenal Gland
      • Hormones and functions of adrenal gland
        (i) Adrenal cortex: Zona reticularis, Zona Fasciculata
        (ii) Adrenal medulla: Adrenaline, Nor-adrenaline, Catecholamines, emergency hormones or hormones of fight or flight
    • Reproductive Glands (Gonads)  
    • Thymus Gland  
      • Thymus gland
      • Function of thymosins
8 How do Organisms Reproduce?
  • Accumulation of Variation During Reproduction  
  • Reproduction in Plant  
  • Mode of Reproduction in Plant  
    • Mode of Reproduction in Plant:
    1. Sexual reproduction
      - Why the Sexual Mode of Reproduction?
    2. Asexual reproduction
  • Asexual Reproduction  
    • Asexual Reproduction in Plant  
      • Asexual reproduction in plant
      • Types of asexual reproduction in plant
  • Asexual Reproduction in Plant  
    • Natural Vegetative Reproduction  
      • Method of natural vegetative reproduction:
      1. Reproduction by Stem
      2. Reproduction by Leaf
      3. Reproduction by Root
      • Advantages of natural vegetative reproduction
      • Disadvantages of natural vegetative reproduction
  • Sexual Reproduction in Flowering Plants  
    • Sexual Reproduction in Flowering Plants
    • Stages of Sexual Reproduction in Flowering Plants
      (i) Pre-fertilisation events
      (ii) Double fertilisation
      (iii) Post-fertilisation events
  • Sexual Reproduction in Animals  
    • Why the Sexual Mode of Reproduction?
  • Human Reproductive System  
    • The Male Reproductive System  
      • The male reproductive system
      1. Testes
      2. Accessory ducts
      3. Accessory glands
      4. External genitalia
      • Histology of seminiferous tubules
    • The Female Reproductive System  
      • Female Reproductive System
      1. Ovaries
      2. Accessory ducts
      3. External genitalia
      4. Accessory glands
      5. Mammary glands
  • Menstrual Cycle (Ovarian Cycle)  
    • Menstrual Cycle (Ovarian Cycle)
    • Phases menstrual cycle
    1. Menstrual phase
    2. Follicular or proliferative phase
    3. Ovulatory phase
    4. Luteal or secretory phase
  • Reproductive Health  
    • Family Welfare Programme
    • Reproductive and Child Health Care (RCH) Programme
      - Goals of RCH Programmes
  • Sexually Transmitted Diseases (STD)  
9 Heredity and Evolution

CBSE Class 10 Science Syllabus for Chapter 3: Natural Phenomena (Physics)

10 Light - Reflection and Refraction
  • Reflection of Light  
    • Reflection of Light
    • How do we see an object?
  • Law of Reflection of Light  
  • Mirrors and Its Types  
  • Plane Mirror and Reflection  
    • Plane Mirror and Reflection
    • Characteristic of the image formed by a plane mirror
    • Uses of a plane mirror
  • Spherical Mirrors  
    • Spherical Mirrors
    • Terms related to Spherical Mirrors
    1. Center of Curvature (C)
    2. Pole (P)
    3. Radius of Curvature (R)
    4. Principal Axis
    5. Focus (F)
    6. Focal length (f)
    7. Principal section
    8. Aperture
  • Rules for the Construction of Image Formed by a Spherical Mirror  
    • Rules for the construction of image formed by a spherical mirror
    • Convenient rays
    1. A ray passing through the centre of curvature
    2. A ray parallel to the principal axis
    3. A ray passing through the focus
    4. A ray incident at the pole
  • Images Formed by Spherical Mirrors  
  • Concave Mirror  
    • Concave Mirror
    • Application of Concave Mirror
  • Image Formation by Concave Mirror  
    • Ray diagram for the images formed by concave mirror
  • Convex Mirror  
    • Convex Mirror
    • Uses of convex mirrors
  • Image Formation by Convex Mirror  
    • Ray diagram for the images formed by Convex mirror
  • Sign Convention for Reflection by Spherical Mirrors  
  • Mirror Equation/Formula  
  • Linear Magnification (M) Due to Spherical Mirrors  
  • Refraction of Light  
    • Partial reflection and refraction at the boundary of two different media
    • Cause of refraction
    • Some consequences of refraction of light
  • Refraction of Light Through a Rectangular Glass Slab  
    • Lateral displacement
  • Law of Refraction of Light  
    • Law of Refraction of Light
    • Refractive index
    • Effect on speed (V), frequency (f) and wavelength (λ) due to refraction of light
  • Refractive Index  
  • Spherical Lens  
    • Spherical lens
    • Terms related to spherical lens
    1. Pole (P)
    2. Principal Axis
    3. Paraxial Ray
    4. Centre of curvature (C)
    5. Focus (F)
    6. Focal length - First focal length, Second focal length
    7. Radius of curvature
    8. Optical centre
    9. Principal foci - First focal point, Second focal point
    10. Focal plane - First focal plane, Second focal plane
  • Images Formed by Sperical Lenses  
  • Guideline for Image Formation Due to Refraction Through a Convex and Concave Lens  
  • Concave Lens  
    • Concave Lens
    • Uses of Concave Lens
  • Images Formed Due to Refraction Through a Concave Lens  
  • Convex Lens  
    • Convex lens
    • Uses of Convex lens
  • Images Formed Due to Refraction Through a Convex Lens  
  • Sign Convention for Spherical Lenses  
  • Lens Formula  
  • Magnification Due to Spherical Lenses  
  • Power of a Lens  
11 The Human Eye and the Colourful World
  • Human Eye: Structure of the Eye  
    • The eyes - Photoreceptor: Rod cell and cone cell
    • External structure of an Eye
    1. Sclera
    2. Conjunctiva
    3. Cornea
    4. Iris
    5. Pupil
    • The internal structure of an Eye
    1. Lens
    2. Retina
    3. Optic nerve
    4. Aqueous Humour
    5. Vitreous Humour
  • Working of the Human Eye  
    • Working of the eye
    • Power of Accommodation
    • Persistence of vision
    • Apparent size of an object
    • The far point and near point of the human eye
    • Light and dark adaptation
    • Colour Vision
  • Eye Defect and Its Correction: Myopia Or Near-sightedness  
    • The myopic eye
    • Correction for myopia with a concave lens
  • Eye Defect and its correction: Hypermetropia or far-sightedness  
    • Hypermetropia Eye
    • Correction for Hypermetropia
  • Eye Defect and Its Correction: Presbyopia  
    • Presbyopia
    • Correction for Presbyopia
  • Care of the Eyes  
  • Refraction of Light Through a Prism  
    • Refraction of light through a prism
    • Factors affecting the angle of deviation
  • Prism  
  • Dispersion of Light Through Prism and Formation of Spectrum  
    • Dispersion Of Light through Prism
    • Newton's Experiment
    • Formation of Rainbow
    • Newton Disc
    • Spectrum
    • Cause of dispersion of white light and formation of spectrum
    • Angular dispersion (Δ)
    • Dispersive power (ω)
    • Dispersion without deviation
    • Deviation without dispersion
  • Atmospheric Refraction  
  • Application of Atmospheric Refraction  
    • Phenomena explained by the refraction of light
    1. Twinkling of stars
    2. Sun is visible before the actual sunrise and also after sunset.
    3. Mirage
    4. Looming
  • Scattering of Light and Its Types  
    • Scattering of Light
    • Types of Scattering of Light
    1. Elastic scattering
    2. Inelastic scattering
      (a) Rayleigh scattering
      (b) Rayleigh’s scattering law
      (c) Mie scattering
      (d) Tyndall scattering
      (e) Raman scattering
  • Applications of Scattering of Light  
    • Applications of Scattering of Light
    1. Red colour of sun at sunrise and sunset
    2. White colour of sky at noon
    3. Blue colour of sky
    4. Black colour of sky in absence of atmosphere
    5. White colour of clouds
    6. Use of red light for the danger signal

CBSE Class 10 Science Syllabus for Chapter 4: Effects of Current (Physics)

12 Electricity
  • Electricity  
  • Electric Current  
    • Electric Current
    • Unit of Electric Current
    • Measurement of electric current
    • Example of Electric Current
  • Electric Circuit  
    • Electric circuit
    • Circuit Diagram
    • The flow of electricity in a circuit
    • Arrangement of Circuits: Open Circuit and Closed
  • Potential and Potential Difference  
    • Potential and Potential Difference
    • Unit of electric potential and potential difference
    • Difference between Electric Potential and Potential Difference
    • Potential difference of a cell
    • Relation between electric intensity potential difference
  • Symbols and Functions of Various Components of an Electric Circuits  
    • Inside view of torch
    • Components of Electric Circuits
    • Symbols of Electric Components
  • Ohm's Law (V = IR)  
    • Statement of Ohm's law
    • Unit of resistance
    • Conductance
    • I-V graph
    • Slope of I-V graph
  • Factors Affecting the Resistance of a Conductor  
  • Electrical Resistivity and Electrical Conductivity  
    • Electrical Resistivity
    • Unit of specific resistance
    • Factors affecting the specific resistance
    • Conductance and Conductivity
  • System of Resistors  
    • Resistors in Series  
      • Combination of resistors in series
      • Expression for the equivalent resistance
    • Resistances in Parallel  
      • Expression for the equivalent resistance
  • Effects of Electric Current  
    • Effects of Electric Current
    1. Heating effect of Electric Current
    2. Magnetic effect (Magnetism) of Electric Current
    3. Chemical effect of Electric Current
    • Heating Effect of Electric Current  
      • Heating effect of electric current
      • Factors affecting Heating Effect of current
      • Applications of Heating Effect of electric current
      • Electric Heating Device
      1. Fuse Wire
      2. Filament in bulbs
      3. Electric kettles
      4. Electric cookers
      5. Electric irons
  • Electrical Power  
    • Electric power
    • Power-voltage rating
    • Power of electrical appliances connected in parallel
    • Power of electrical appliances connected in series
    • Power in mixed combination of cells
    • Practical units of electric energy in terms of power
    • Units of electrical power
13 Magnetic Effects of Electric Current

CBSE Class 10 Science Syllabus for Chapter 5: Natural Resources

14 Sources of Energy
  • Source of Energy  
    • Sources of energy
    • What is a good source of 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
  • Fossil Fuels  
  • Heat Energy (Thermal Energy)  
  • Hydroelectric Energy  
    • Hydro-electric power
    • Production of electricity from water
    • Structure of Hydro-electric power plant
  • Bio-energy  
    • Biogas plant
    • Biomass
    • Gobar gas
  • Wind Energy  
    • Wind Energy
    • Windmill
    • Production of electricity from wind
    • Uses of Wind Energy
  • Solar Energy  
    • Solar Energy
    • Production of electricity from solar energy
    • Solar photovoltaic cell
    • Application of solar energy
    • Solar Thermal power plant
  • Solar Energy Devices  
    • Solar Cells
    • Uses of Solar cells
    • Solar Panel
    • Solar Cooker
    • Solar thermal power plant
    • Advantages of Solar Energy
  • Energy from the Sea  
    • Tidal Energy
    • Wave Energy
    • Ocean Thermal Energy
  • Geothermal Energy  
  • Nuclear Energy  
    • Nuclear Energy
    • Production of electricity from Nuclear energy
    • Atomic power stations in India
  • Nuclear Fission  
    • Nuclear fission
    • Fissionable materials
    • Chain Reaction
    1. Controlled chain reaction
    2. Uncontrolled chain reaction
    • Critical Mass
    • Atom bomb
  • Different Forms of Energy  
    1. Solar energy
    2. Heat (or radiant) energy
    3. Light energy
    4. Chemical (or fuel) energy
    5. Hydro energy
    6. Electrical energy
    7. Nuclear energy
    8. Geothermal energy
    9. Wind energy
    10. Sound energy
    11. Magnetic energy
    12. Mechanical energy
  • Environmental Consequences  
  • How Long Will an Energy Source Last Us?  
15 Our Environment
  • The Environment  
  • Ecosystem  
  • Structure of an Ecosystem  
    • Biotic Components
    1. Producers
    2. Primary consumers
    3. Secondary consumers
    4. Tertiary consumers
    • Abiotic Components
    1. Sunlight
    2. Air
    3. Water
    4. Temperature
    5. Soil
    • Interaction between biotic and abiotic factors in an ecosystem
  • Classification of Animal  
    • Animal and their food
    • Classification of animal on the basis of food
    1. Herbivores
    2. Carnivores
    3. Omnivores
    4. Scavengers
    5. Decomposers
  • Food Chain  
    • Food chain
    • Importance of food chain
  • Tropic Level  
    • First Trophic level (Photoautotrophs)
    • Second trophic level (Herbivores)
    • Third trophic level (Carnivores) 
    • Fourth Trophic level (Top carnivore) 
  • Food Web  
    • Food web
    • Advantage of Food web
  • Energy Flow in an Ecosystem  
    • Food Chain
      a) Grazing food chain (GFC)
      b) Detritus Food Chain (DFC)
    • Food Web
    • Trophic level
      a) Producers
      b) Herbivores (Primary consumer)
      c) Carnivores (Secondary consumer)
      d) Top carnivores (Tertiary consumer)
  • Ozone Layer Depletion  
    • Depletion of Ozone Layer
    • Chemicals responsible for the destruction of the ozone layer
  • Waste and Its Categories  
    • Waste
    • Categories of Waste
    1. Domestic waste
    2. Industrial waste
    3. Agricultural waste
    4. Municipal waste
    5. e-waste (electronic waste)
    6. Science teaching and research laboratories wastes
    7. Biological waste
    8. Non Biological waste
  • Wastes Generated in Our Environment  
  • Waste Separation Exercise  
  • Solid Waste Management  
16 Sustainable Management of Natural Resources

CBSE Class 10 Science Syllabus for Chapter 6: Internal assessment


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