CBSE Class 10 Science Syllabus 2023-24 [Latest] PDF Download

CBSE Class 10 Science Syllabus for the academic year 2023 is available on this page for free download. So the Candidates who have been searching for the CBSE 10th Class Syllabus can get the subject-wise syllabus from this page. The Officials of the CBSE have released the CBSE 10th class Science Revised Syllabus on its official web page.

CBSE Class 10 Science Syllabus PDF

Name of the BoardCentral Board of Secondary Education
ClassClass 10
CategoryCBSE Science Syllabus

CBSE Class 10 Science Revised Syllabus 2023

CBSE Class 10 Science Syllabus 2023-2 PDF: The CBSE Class 10 Science Syllabus PDF is available on this page for the academic Year 2023. The Officials of the Central Board of Secondary Education have released the Class 10 Science Syllabus 2023 on its Official Portal @ the Students can able to download the CBSE Class 10 Science Rationalized Curriculum Now from here. The Candidates can get the CBSE Class 10 Science Syllabus from here. Click on the below-attached PDF links to Download the CBSE Syllabus 2023 for All Subjects of the Academic Year 2023. CBSE Science syllabus was reduced due to the pandemic Situation. And the New CBSE syllabus is now available Online for Download and The Scheme of the CBSE Class 10 Science Exam is also available Now.


(Annual Examination)


Marks: 80





IChemical Substances-Nature and Behaviour25
IIWorld of Living25
IIINatural Phenomena12
IVEffects of Current13
VNatural Resources05
 Internal assessment20
 Grand Total100


Theme: Materials

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, endothermic exothermic reactions, oxidation and reduction.

Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, neutralization, 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), difference between saturated hydro carbons 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.

Theme: The World of the Living Unit II: World of Living

Life processes: ‘Living Being’. 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. Child bearing and women’s health.

Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded – evolution; evolution and classification and evolution should not be equated with progress).

Theme: Natural Phenomena 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 spherical lens; Image formed by spherical lenses; Lens formula(Derivation not required); Magnification. Power of a lens.

Functioning of a lens in 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 dailylife (excluding colour of the sun at sunrise and sunset).

Theme: How Things Work 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, 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 carryingconductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left Hand Rule, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources Unit V: Natural Resources

Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

Note for the Teachers:

  1. The chapter Management of Natural Resources (NCERT Chapter 16) will not be assessed in the year-end examination. However, learners may be assigned to read this chapter and encouraged to prepare a brief write up to any concept of this chapter in their This

may be for Internal Assessment and credit may be given Periodic Assessment/Portfolio).

  1. The NCERT text books present information in boxes across the book. These help students to get conceptual However, the information in these boxes would not be assessed in the year-end examination.


  • Science-Textbook for class IX-NCERT Publication
  • Science-Text book for class X- NCERT Publication
  • Assessment of Practical Skills in Science-Class IX – CBSE Publication
  • Assessment of Practical Skills in Science- Class X- CBSE Publication
  • Laboratory Manual-Science-Class IX, NCERT Publication
  • Laboratory Manual-Science-Class X, NCERT Publication
  • Exemplar Problems Class IX – NCERT Publication
  • Exemplar Problems Class X – NCERT Publication

Assessment Areas (Theory) 2023 (Class X)

Science (086)

Theory                                                                                     TotalMaximum Marks: 80

Demonstrate Knowledge and Understanding46 %
Application of Knowledge/Concepts22 %
Analyze, Evaluate and Create32 %


  • The internal choice would be provided.

Internal Assessment – (10 Marks each)

  • Periodic Assessment – 03 marks
  • Multiple Assessment – 02 marks
  • Subject Enrichment (Practical Work) – 03 marks
  • Portfolio – 02 marks

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