CBSE Class 10 Science Syllabus 2024-25

CBSE Class 10 Science Syllabus 2024-25

CBSE has released the updated syllabus of science for class 10 board exams for the 2024–25 session. The subject of Science plays an important role in developing well-defined abilities in cognitive, affective, and psychomotor domains in children. It augments the spirit of inquiry, creativity, objectivity, and aesthetic sensibility. By acquiring the right amount of knowledge of the subject, students are able to get better ranks in competitive exams too. If anyone is preparing for the CBSE Class 10 board exam, they should be aware of the subjects’ curriculum. Gaining a proper understanding of the syllabus will help students understand the course easily. It specifies the grading and time limit for each section as well. It gives the details of how many marks are decided for each unit. So, students can plan accordingly to study the subject areas that are more important.

CBSE Class 10 Syllabus

  • CBSE Class 10 Science Syllabus

CBSE Class 10 Science Syllabus 2024-25 PDF Download

Download the PDF of CBSE Class 10 syllabus released by CBSE for 2024-25 Board Exam using the link below:

CBSE Syllabus for Class 10 Science 2024-25 Board Exam

The syllabus of the CBSE Class 10 Science for the 2024–25 Exam is given in the table below:

Unit No. Unit Chapters
1 Chemical Substance – Nature and Behaviour Chemical Reactions and Equations
Acids, Bases, and Salts
Metals and Non-metals
Carbon and Its Compounds
2 World of Living Life Processes
Control and Coordination
How do Organisms Reproduce
Heredity and Evolution
3 Natural Phenomena Light – Reflection and Refraction
The Human Eye and The Colourful World
4 Effects of Current Electricity
Magnetic Effects of Electric Current
5 Natural Resources Our Environment

The detailed syllabus for CBSE Class 10 science is mentioned below. Students must go through the every topic in detail so that they do not miss any topic in board exam and score outstanding.

Unit I: Chemical Substances: Nature and Behaviour

Chapter 1: Chemical Reactions and Equations

Chemical reactions: Chemical equation, Balanced chemical solution, implications of a balanced chemical equation, types of chemical reactions: combination, 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 properties, examples and uses, the concept of pH scale (Definition relating to logarithm not required), the 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. 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 reactions). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Unit II: World of Living

Chapter 5: Life Processes

Life processes: ‘Living Being’. The basic concepts of nutrition, respiration, transport, and excretion in plants and animals

Chapter 6: Control and Coordination

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.

Chapter 7: 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 8: Heredity

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).

Unit III: Natural Phenomena

Chapter 9: 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 10: Human Eye and Colorful World

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).

Unit IV: Effects of Current

Chapter 11: 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 12: Magnetic Effects of 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, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Unit V: Natural Resources

Chapter 13: Our Environment

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

CBSE Class 10 Science 2024-25 Marking Scheme

The marking scheme of CBSE Class 10 science for the year 2024-45 is givenn in the table below:

Unit No. Unit Marks
I Chemical Substances-Nature and Behaviour 25
II World of Living 25
III Natural Phenomena 12
IV Effects of Current 13
V Natural Resources 05
Total 80
Internal assessment 20
Grand Total 100

CBSE Class 10 Science Practicals for 2024–25

Here is list of experiments mentioned by CBSE for Class 10 Exams for the session of 2024-25

Unit 1

1. A. Finding the pH of the following samples by using pH paper/universal indicator:
(i) Dilute Hydrochloric Acid
(ii) Dilute NaOH solution
(iii) Dilute Ethanoic Acid solution
(iv) Lemon juice
(v) Water
(vi) Dilute Hydrogen Carbonate solution
B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
a) Litmus solution (Blue/Red)
b) Zinc metal
c) Solid sodium carbonate
2. Performing and observing the following reactions and classifying them into: Unit-I
A. Combination reaction
B. Decomposition reaction
C. Displacement reaction
D. Double displacement reaction
(i) Action of water on quicklime
(ii) Action of heat on ferrous sulphate crystals
(iii) Iron nails kept in copper sulphate solution
(iv) Reaction between sodium sulphate and barium chloride solutions

3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
i) ZnSO4(aq)
ii) FeSO4(aq)
iii) CuSO4(aq)
iv) Al2(SO4)3(aq)
Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the
above result.

4. Study of the following properties of acetic acid (ethanoic acid):
i) Odour
ii) solubility in water
iii) effect on litmus
iv) reaction with Sodium Hydrogen Carbonate

5. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.

Unit II

1. Preparing a temporary mount of a leaf peel to show stomata.

2. Experimentally show that carbon dioxide is given out during respiration

3. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.

4. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

Unit III

1. Determination of the focal length of: Unit-III
i) Concave mirror
ii) Convex lens by obtaining the image of a distant object.

2. Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result.

3. Tracing the path of the rays of light through a glass prism

Unit IV

1. 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.

2. Determination of the equivalent resistance of two resistors when connected in series and

Tips for Science Class 10 Syllabus 2024–25

The science syllabus can be downloaded from our website for your reference. Besides that, be thorough with the CBSE Revision Notes and the CBSE Important Questions. Through regular practice, students will be able to increase their understanding of the chapter and build a strong foundation on the concepts.  

Along with the NCERT Books, make sure you also go through the CBSE Sample Papers and the CBSE Past Years’ Question Papers to leverage higher marks in their examination.

FAQs (Frequently Asked Questions)

1. What is the syllabus of CBSE Class 10 Science?

In the CBSE Class 10 Science Syllabus, the students learn about chemical reactions, acids, metals, non-metals, carbon compounds, reproduction, and evolution, light, electricity, and our environment.

2. Does knowing the syllabus before help the student?

Yes, it can be very beneficial for students who are appearing for the exam. Knowing the syllabus can help them understand the distribution of marks across the whole syllabus and hence, prepare accordingly.   Apart from the syllabus, they should also prepare the CBSE Extra Questions which can prove to be an additional source for exam preparation.

3. Where can the students find the Class 10 Science syllabus?

Students can find and download the syllabus from our website

4. How many chapters are there in CBSE class 10 science syllabus?

There are total 13 chapters in CBSE Class 10 science syllabus

5. How many Units are there in CBSE Class 10 Science Syallbus?

There are total five units in CBSE Class 10 syllabus

6. What is Marks allocation to theory and practical in CBSE Class 10 Science Syllabus?

The total marks allocated to science is 100 out of which 80 is to theory and 20 is to practical