new class 10th science syllabus

CBSE (NCERT) Syllabus For Class 10 Science 2024

The CBSE Syllabus for Class 10 Science is designed to provide students with a strong foundation in the basic concepts of science. The syllabus covers topics such as physics, chemistry, biology, and environmental science.

The syllabus is divided into three sections: Section A, Section B, and Section C. Section A covers topics such as chemical reactions and equations, cells, tissues, and organs, heredity and evolution, and light.

new class 10th science syllabus

CBSE (Central Board of Secondary Education) has finally released the revised New syllabus for classes 10th for the academic year 2023-2024 on 7th July 2023.

CBSE has revised class 10th syllabus for the academic year 2023-24. The syllabus of class Xth has been divided into 5 themes or units.

New Syllabus (Reduced) For Class 10th Science July 2024 PDF Download

The science paper of 100 numbers has been divided into two parts. In which there is a board exam of 80 numbers and 20 is Internal assessment (practical).

  • A – 80 Marks – Board Exam
  • B – 20 Marks – Internal assessment

10th New Syllabus Science Released By CBSE For 2024

Central Board of Secondary Education, Science Syllabus Divided into 5 Themes.

  1. Theme: Materials (55 Periods)
  2. Theme: The World of the Living (50 Periods)
  3. Theme: Natural Phenomena (23 Periods)
  4. Theme: How Things Work (32 Periods)
  5. Theme: Natural Resources (20 Periods).

Theme: Materials

Unit I: Chemical Substances – Nature and Behaviour

☞ Chapter 1 – Chemical Reactions and Equations

  • Chemical reactions & Chemical equation
  • Balanced chemical equation
  • implications of a balanced chemical equation
  • types of chemical reactionscombination, decomposition, displacement, double displacement, precipitation,
  • neutralization, oxidation and reduction.

☞ Chapter 2 – Acids, bases and salts

  • Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH- ions,
  • General propertiesexamples 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.

☞ Chapter 3 – Metals and Non-metals

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

☞ Chapter 4 – Carbon and Its Compounds

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

☞ Chapter 5 – Periodic Classification Of Elements

  • 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

Unit II: World of Living

☞ Chapter 6 – Life Processes

  • Life processes: ‘Living Being’.
  • Basic concept of nutrition,
  • respiration,
  • transport and excretion in plants and animals.

☞ Chapter 7 – Control and Coordination (removed)

☞ Chapter 8 – How do Organisms Reproduce?

  • 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.

☞ Chapter 9 – Heredity and Evolution

  • Heredity
  • Mendel’s contribution- Laws for inheritance of traits:
  • Sex determination: brief introduction.

Theme: Natural Phenomena

Unit III: Natural Phenomena

☞ Chapter 10 – Light Reflection and Refraction

  • 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.

☞ Chapter 11 – The Human Eye and Colourful World

  • Refraction of light through a prism
  • dispersion of light,
  • scattering of light
  • applications in daily life.

Theme: How Things Work

Unit IV: Effects of Current

☞ Chapter 12 – Electricity

  • 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.

☞ Chapter 13 – Magnetic Effects of Electric Current

  • 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.

Theme: Natural Resources

Unit V: Natural Resources

☞ Chapter 14 – Sources of Energy (Reduced)

☞ Chapter 15 – Our Environment

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

Three Chapters Reduced For 2021

Note – Chapter 7 – Control and Coordination, Chapter 14 – Sources of Energy & Chapter 16 – Sustainable Management of Natural Resources (Reduced) from board exam.


Learners are assigned to read the below listed part of Unit V. They can be encouraged to prepare a brief write up on any one concept of this Unit in their Portfolio.

This may be an assessment for Internal Assessment and credit may be given (Periodic assessment/Portfolio). This portion of the Unit is not to be assessed in the year-end examination.

☞ Chapter 16 – Sustainable Management of Natural Resources.

  • Management of natural resources: Conservation and judicious use of natural resources.
  • Forest and wild life; Coal and Petroleum conservation.
  • Examples of people’s participation for conservation of natural resources.
  • Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.

Conclusion Points

The CBSE (NCERT) Syllabus For Class 10 Science 2024 is available online. The syllabus is designed to help students prepare for their exams and future studies. It covers topics such as physics, chemistry, biology, and environmental science. The syllabus is divided into three parts: Part A, Part B, and Part C. Each part covers a specific topic in detail.

Part A of the CBSE (NCERT) Syllabus For Class 10 Science 2024 covers physics. This section includes topics such as motion, forces, energy, waves, and electromagnetism.

Part B of the syllabus covers chemistry. This section includes topics such as the periodic table, chemical reactions, and acids and bases. Part C of the syllabus covers biology. This section includes topics such as cell structure and function, genetics, and evolution

You Should Must Check

Class 10th Science Board Question Paper 2019 – Hassle Free
Last Year Science Board Question Paper for Class 10th 2019 – SET – 3
Science CBSE Board Question Paper 2018 (Set – 1)
CBSE Board Science Question Paper 2018 (Set – 2)
CBSE Board Science Question Paper 2017 (Set – 1)

Similar Posts