CBSE Class 10 Science Revised Syllabus 2020-21| Download in PDF with Important Links

CBSE Class 10 Science Revised Syllabus 2020-21| Download in PDF with Important Links
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CBSE Class 10 Science Revised Syllabus 2020-21| Download in PDF with Important Links

CBSE Class 10 Science Revised Syllabus 2020-21| Download in PDF with Important Links

Josh article cbse class 10 science syllabus

Examine the brand new CBSE syllabus for Class 10 Science topic which has been revealed by the board after making a discount in the contents of the course. Board has diminished the syllabus by one-third to compensate for the lack of research that occurred throughout the COVID-19 lockdown. This syllabus is a vital software for efficient studying in the remaining half of the present educational session. It is usually useful to create the proper preparation construction for all the inner examinations and the annual board examination. CBSE Class 10 Science syllabus supplies particulars of the course construction alongside with matters prescribed for the tutorial session 2020-2021.

New* CBSE Class 10 Science Notes for Fast Revision earlier than Board Examination 2021 (Based mostly on Revised Syllabus)

Foremost contents of the CBSE Class 10 Science Syllabus 2020-21 are:

  • Unit-wise weightage
  • Subjects and sub-topics to be ready from every unit
  • Checklist of experiments to be carried out for sensible work
  • Query paper design for the annual board examination
  • Parts of Inside Evaluation
  • Prescribed books

College students ought to make preparations in line with the small print and contents talked about in the CBSE syllabus.

Discover beneath the entire syllabus for CBSE Class 10 Science:


CBSE Class 10 Science Unitwise Weightage





Chemical Substances-Nature and Behaviour



World of Dwelling



Pure Phenomena



Results of Present



Pure Assets


Complete Marks


Inside Evaluation


Grand Complete


Additionally Examine: CBSE Class 10 Science Deleted Syllabus – Subjects Faraway from Earlier Syllabus

CBSE Class 10 Science Up to date Syllabus in element is offered beneath:

Theme: Supplies

Unit I: Chemical Substances-Nature and Behaviour

Chemical reactions: Chemical equation, Balanced chemical equation, implication of a balanced chemical equation, varieties of chemical reactions : Mixture, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and discount.

Acids, bases and salts: Their definitions in phrases of furnishing of H+ and OH- ions, Normal properties, examples and makes use of, idea of pH scale (Definition referring to logarithm not required), significance of pH in on a regular basis life; preparation and makes use of of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Metals and nonmetals: Properties of metals and non-metals; Reactivity collection; Formation and properties of ionic compounds.

Carbon compounds : Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous collection. 

Periodic classification of components: Want for classification, early makes an attempt at classification of components (Dobereiner’s Triads, Newland’s Legislation of Octaves, Mendeleev’s Periodic Desk), Fashionable periodic desk, gradation in properties, valency, atomic quantity, metallic and non-metallic properties.

Theme: The World of the Dwelling

Unit II: World of Dwelling (50 Intervals)

Life processes: ‘Dwelling Being’. Fundamental idea of diet, respiration, transport and excretion in vegetation and animals.

Copy: Copy in animals and vegetation (asexual and sexual) reproductive health-need and strategies of household planning. Secure intercourse vs HIV / AIDS. Baby bearing and girls’s well being.

Heredity and Evolution: Heredity; Mendel’s contribution – Legal guidelines for inheritance of traits: Intercourse willpower: transient introduction.

Additionally Examine:

CBSE Class 10 Science Paper Sample & New Pattern Paper for Board Examination 2021

CBSE Class 10 Science Chapter-wise MCQs and Solutions

Theme: Pure Phenomena

Unit III: Pure Phenomena 

Reflection of sunshine by curved surfaces; Pictures fashioned by spherical mirrors, centre of curvature, principal axis, principal focus, focal size, mirror method (Derivation not required), magnification.

Refraction; Legal guidelines of refraction, refractive index.

Refraction of sunshine by spherical lens; Picture fashioned by spherical lenses; Lens method (Derivation not required); Magnification. Energy of a lens.

Refraction of sunshine by means of a prism, dispersion of sunshine, scattering of sunshine, functions in every day life.

Theme: How Issues Work

Unit IV: Results of Present

Electrical present, potential distinction and electrical present. Ohm’s legislation; Resistance, resistivity, Elements on which the resistance of a conductor relies upon. Sequence mixture of resistors, parallel mixture of resistors and its functions in every day life. Heating impact of electrical present and its functions in every day life. Electrical energy, Interrelation between P, V, I and R.

Magnetic results of present: Magnetic subject, subject strains, subject as a consequence of a present carrying conductor, subject as a consequence of present carrying coil or solenoid; Power on present carrying conductor, Fleming’s Left Hand Rule, Electrical Motor, Electromagnetic induction. Induced potential distinction, Induced present. Fleming’s Proper Hand Rule.

Theme: Pure Assets

Unit V: Pure Assets

Our surroundings: Eco-system, Environmental issues, Ozone depletion, waste manufacturing and their options. Biodegradable and non-biodegradable substances.

Word: Learners are assigned to learn the beneath listed a part of Unit V. They are often inspired to arrange a short write up on anyone idea of this Unit in their Portfolio. This can be an evaluation for Inside Evaluation and credit score could also be given (Periodic evaluation/Portfolio). This portion of the Unit is to not be assessed in the year-end examination. 

Administration of pure sources: Conservation and considered use of pure sources. Forest and wild life; Coal and Petroleum conservation. Examples of individuals’s participation for conservation of pure sources. Large dams: benefits and limitations; options, if any. Water harvesting. Sustainability of pure sources.


Practicals must be carried out alongside the ideas taught in idea courses.

Checklist of Experiments:

1. Learning the properties of acids and bases (HCl & NaOH) by their response with: (Unit – I)

(a) Litmus answer (Blue/Purple)

(b) Zinc steel

(c) Strong sodium carbonate

2. Performing and observing the next reactions and classifying them into: (Unit – I)

A. Mixture response

B. Decomposition response

C. Displacement response

D. Double displacement response

            (i) Motion of water on fast lime

            (ii) Motion of warmth on ferrous sulphate crystals 

            (iii) Iron nails stored in copper sulphate answer

            (iv) Response between sodium sulphate and barium chloride options

3. Observing the motion of Zn, Fe, Cu and Al metals on the next salt options: (Unit – I)

(i) ZnSO4 (aq)

(ii) FeSO4 (aq)

(iii) CuSO4 (aq)

(iv) Al2(SO4)3 (aq)

Arranging Zn, Fe, Cu and Al (metals) in the reducing order of reactivity based mostly on the above end result.

4. Learning the dependence of potential distinction (V) throughout a resistor on the present (I) passing by means of it and decide its resistance. Additionally plotting a graph between V and I. (Unit – IV)

5. Experimentally present that carbon dioxide is given out throughout respiration. (Unit – II)

6. Dedication of the focal size of: (Unit – III)

(i) Concave mirror

(ii) Convex lens

 by acquiring the picture of a distant object.

7. Tracing the trail of a ray of sunshine passing by means of an oblong glass slab for various angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the end result. (Unit – III)

8. Learning (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the assistance of ready slides. (Unit – II)

9. Tracing the trail of the rays of sunshine by means of a glass prism. (Unit – III)

Evaluation Areas (Principle) 2020-21

(Class X)

Science (086)

Time: 3 hrs. Most                Marks: 80 Marks



Show Information and Understanding


Utility of Information/Ideas


Analyze, Consider and Create



  • Typology of Questions: VSA together with goal sort questions, Assertion – Reasoning sort questions; SA; LA; Supply-based/ Case-based/ Passage-based/ Built-in evaluation questions.
  • An inner selection of roughly 33% can be offered.

2) Inside Evaluation: 20 Marks

  • Periodic Evaluation – 05 marks + 05 marks
  • Topic Enrichment (Sensible Work) – 05 marks
  • Portfolio – 05 marks


1. Science – Textbook for sophistication X – NCERT Publication

2. Evaluation of Sensible Expertise in Science – Class X – CBSE Publication

3. Laboratory Handbook – Science – Class X, NCERT Publication

4. Exemplar Issues Class X – NCERT Publication

We’re additionally offering beneath the hyperlink of the earlier/full syllabus of CBSE Class 10 Science in order that college students can evaluate the revised syllabus with this one to test which matters have been eradicated from every chapter of sophistication 10 Science topic.

Important* CBSE Class 10 Full Examine Materials & Preparation Information for Board Examination 2021

#CBSE #Class #Science #Revised #Syllabus #Download #PDF #Important #Links

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