CBSE Syllabus of Class 10 Science 2019-20

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CBSE Syllabus of Class 10 Science 2019-20 Science allows us to understand the interactions between various chemicals and our bodies to make medicine, to transfer electrons through wires and into light bulbs so we can see without sunlight. We could survive without science, but life would be more difficult. The Science syllabus is divided into 5 units that carry 80 marks, and 20 marks are allotted for practicals. Student can Download Latest CBSE Syllabus for class 10 in PDF format is now available in myCBSEguide mobile app. The curriculum for March 2020 exams is designed by CBSE, New Delhi as per NCERT textbooks for the session 2019-20.

CBSE Syllabus for class 10 Science 2019-20

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CBSE Syllabus Class 10 Science

COURSE STRUCTURE
(Annual Examination)

Marks: 80

Unit No.UnitMarksPeriods
IChemical Substances-Nature and Behaviour2555
IIWorld of Living2355
IIINatural Phenomena1223
IVEffects of Current1332
VNatural Resources0720
Total80
Internal assessment20
Grand Total100

Theme: Materials
(55 Periods)
Unit I: Chemical Substances – Nature and Behaviour
Chemical reactions:
 Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction. Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), the difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.
Periodic classification of elements: Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.

Theme: The World of the Living
(50 Periods)
Unit II: World of Living
Life processes:
 ‘Living Being’. The basic concept of nutrition, respiration, transport and excretion in plants and animals.
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning. Safe sex vs HIV/AIDS. Childbearing and women’s health.
Heredity and Evolution: Heredity; Mendel’s contribution- Laws for an inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution.

Theme: Natural Phenomena
(23 Periods)
Unit III: Natural Phenomena

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.
Refraction; Laws of refraction, refractive index.
Refraction of light by a spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens.
Functioning of a lens in the human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.

Theme: How Things Work
(32 Periods)
Unit IV: Effects of Current

Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, the parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R. Magnetic effects of current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left-Hand Rule, Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, Direct current. Alternating current: frequency of AC. The advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources
(20 Periods)
Unit V: Natural Resources

Sources of energy: Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
Management of natural resources: Conservation and judicious use of natural resources. Forest and wildlife; Coal and Petroleum conservation. Examples of people’s participation for the conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources


PRACTICALS

Practical should be conducted alongside the concepts taught in theory classes
LIST OF EXPERIMENTS

    1. Finding the pH of the following samples by using pH paper/universal indicator:
      1. Dilute Hydrochloric Acid
      2. Dilute NaOH solution
      3. Dilute Ethanoic Acid solution
      4. Lemon juice
      5. Water
      6. Dilute Hydrogen Carbonate solution
    2. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
      1. Litmus solution (Blue/Red)
      2. Zinc metal
      3. Solid sodium carbonate
  1. Performing and observing the following reactions and classifying them into:
    1. Combination reaction
    2. Decomposition reaction
    3. Displacement reaction
    4. Double displacement reaction
      1. Action of water on quicklime
      2. Action of heat on ferrous sulphate crystals
      3. Iron nails kept in copper sulphate solution
      4. The reaction between sodium sulphate and barium chloride solutions
  2. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
    1. ZnSO4(aq)
    2. FeSO4(aq)
    3. CuSO4(aq)
    4. Al2 (SO4)3(aq)
      Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.
  3. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I.
  4. Determination of the equivalent resistance of two resistors when connected in series and parallel.
  5. Preparing a temporary mount of a leaf peel to show stomata.
  6. Experimentally show that carbon dioxide is given out during respiration.
  7. Study of the following properties of acetic acid (ethanoic acid):
    1. odour
    2. solubility in water
    3. effect on litmus
    4. reaction with Sodium Hydrogen Carbonate
  8. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.
  9. Determination of the focal length of
    1. Concave mirror
    2. Convex lens
      by obtaining the image of a distant object.
  10. Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, the angle of refraction, the angle of emergence and interpret the result.
  11. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.
  12. Tracing the path of the rays of light through a glass prism.
  13. Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of the image formed.
  14. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

PRESCRIBED BOOKS:

  • Science-Text book for class X- NCERT Publication
  • Laboratory Manual-Science-Class X, NCERT Publication
  • Exemplar Problems Class X – NCERT Publication

QUESTION PAPER DESIGN
Class: 10 (2019-20)
Subject: Science (086)

  1. Board Examination –TheoryMaximum Marks: 80
    Duration: 3 Hours

    Sr. No.Typology of QuestionsObjective Type * (01 mark)SA (03 marks)LA (05 marks)Total
    1Remembering: Exhibit memory of previously learned material by recalling facts, terms, basic concepts, and answers.07020122.5%
    2Understanding: Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting, giving descriptions, and stating main ideas04020225%
    3Applying: Solve problems to new situations by applying acquired knowledge, facts, techniques and rules in a different way04010221.25%
    4Analyzing and Evaluating: Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalizations Present and defend opinions by making judgments about information, the validity of ideas, or quality of work based on a set of criteria.05020120%
    5Creating: Compile information together in a different way by combining elements in a new pattern or proposing alternative solutions0311.25%
    Total20 (20)10 (30)06 (30)100%

    All questions would be compulsory. However, an internal choice of approximately 33% would be provided.

  2. Internal Assessment: 20 Marks
    • Periodic Assessment – 05 marks + 05 marks
    • Subject Enrichment (Practical Work) – 05 marks
    • Portfolio – 05 marks

Download CBSE Syllabus of Class 10th 




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