CBSE Class 10 Science Syllabus 2024-25

CBSE Class 10 Science Syllabus 2024-25 

The CBSE Class 10 Science Syllabus 2024-25 is designed to provide students with a thorough understanding of key scientific principles and concepts. It includes important topics such as Chemical Substances – Nature and Behaviour, World of Living, Natural Phenomena, and the Effects of Current. These topics are carefully structured to ensure that students gain a comprehensive understanding of both theoretical and practical aspects of science.

The syllabus focuses on developing critical thinking, problem-solving abilities, and the application of scientific knowledge in real-life scenarios. Students will study the properties of various chemical substances, explore the biological processes within living organisms, and investigate the fundamental natural phenomena that occur in our environment. Furthermore, the study of the Effects of Current will help students understand the concepts related to electricity and its various applications.

This updated syllabus enables students to effectively prepare for the 2024-25 exams by offering a clear roadmap of what topics will be covered. By following this structured approach, students can enhance their learning and stay aligned with the official CBSE curriculum.

Prepare Smarter with the Latest CBSE Science Syllabus

The CBSE Class 10 Science Syllabus 2024-25 is an essential resource for students aiming to excel in their exams. With this detailed syllabus, students can identify key concepts, focus on areas of improvement, and enhance their scientific knowledge. It allows students to plan their studies, manage time efficiently, and prioritize important topics for better exam preparation.

By studying and revising the CBSE Class 10 Science syllabus, students can ensure that they are well-prepared for all assessments. Be sure to check out the syllabus to stay informed and make the most of your study time.

Class 10 Science Mobile App

CBSE Class – 10
Science (Code No. 086)
Syllabus (2024-25)

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Time: 3 Hours
Max. Marks: 80

COURSE STRUCTURE
CLASS X
(Annual Examination)

Max. Marks: 80

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

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 daily life (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 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.
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 Portfolio. This may be for Internal Assessment and credit may be given Periodic Assessment/Portfolio).
2. The NCERT text books present information in boxes across the book. These help students to get conceptual clarity. However, the information in these boxes would not be assessed in the year-end examination.

PRACTICALS

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

1. 1. Finding the pH of the following samples by using pH paper/universal indicator: Unit-I
      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: Unit-I
      1. Litmus solution (Blue/Red)
      2. Zinc metal
      3. Solid sodium carbonate
2. Performing and observing the following reactions and classifying them into: Unit-I
   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. Reaction between sodium sulphate and barium chloride solutions
3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions: Unit-I
   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.
4. 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. Unit-IV
5. Determination of the equivalent resistance of two resistors when connected in series and parallel. Unit-IV
6. Preparing a temporary mount of a leaf peel to show stomata. Unit-II
7. Experimentally show that carbon dioxide is given out during respiration. Unit-II
8. Study of the following properties of acetic acid (ethanoic acid): Unit- I
   1. Odour
   2. solubility in water
   3. effect on litmus
   4. reaction with Sodium Hydrogen Carbonate
9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water. Unit-I
10. Determination of the focal length of: Unit-III
    1. Concave mirror
    2. Convex lens by obtaining the image of a distant object.
11. 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. Unit – III
12. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides. Unit-II
13. Tracing the path of the rays of light through a glass prism. Unit-III
14. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean). Unit-II

PRESCRIBED BOOKS:

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

Question Paper Design

Theory (80 Marks)

Competencies	Total
Demonstrate Knowledge and Understanding	46%
Application of Knowledge/Concepts	22%
Analyze, Evaluate and Create	32%
	100%

Note:

• Typology of Questions: VSA including objective type questions, Assertion – Reasoning type questions; SA; LA; Source-based/ Case-based/ Passage-based/ Integrated assessment questions.
• An internal choice of approximately 33% would be provided.

Internal Assessment (20 Marks)

• Periodic Assessment – 05 marks + 05 marks
• Subject Enrichment (Practical Work) – 05 marks
• Portfolio – 05 marks

Suggestive verbs for various competencies

• Demonstrate Knowledge and Understanding
  State, name, list, identify, define, suggest, describe, outline, summarize, etc.
• Application of Knowledge/Concepts
  Calculate, illustrate, show, adapt, explain, distinguish, etc.
• Formulate, Analyze, Evaluate and Create
  Interpret, analyze, compare, contrast, examine, evaluate, discuss, construct, etc.

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How to Download the CBSE Class 10 Science Syllabus 2024-25:

1. Visit myCBSEguide website.
2. Use the search bar to find “Class 10 Science Syllabus for 2024-25“
3. Click on the relevant syllabus link for the 2024-25 session.
4. Download the syllabus in PDF format by clicking the download button.

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Frequently Asked Question:

When will the CBSE 2025 syllabus be released?

The CBSE 2025 syllabus has already been released by the board. Students can now access the updated syllabus for all subjects, including the CBSE Class 10 Science Syllabus for 2024-25. This syllabus is available in PDF format, offering a convenient way for students to download and review the topics they need to focus on in preparation for their exams.

For those aiming to excel in their studies, it’s essential to stay informed and use reliable study resources. The myCBSEguide website provides the latest syllabus for all CBSE subjects, helping students stay aligned with the curriculum. The myCBSEguide App platform also offers a range of educational materials such as sample papers, chapter-wise test papers, NCERT solutions, and revision notes, all designed to streamline exam preparation.

Additionally, educators can take advantage of the Examin8 App and Examin8 Website to create customized mock tests and practice papers tailored to their students’ needs.