In the syllabus, students can find out the subjects and sub-topics that they need to study in an academic year. The complete Science paper of CBSE Class 10 will be of 100 marks out of which 20 marks (10 marks for each session) will be for internal assessment. Theory is of 80 marks, and the term is divided into 40 marks each.
CBSE Class 10th Science Syllabus 2023-24: New Updated Syllabus
Here is the prescribed syllabus for CBSE Class 10th Science. The distribution of marks and units between the two words is explained in the following table.
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 hydrocarbons 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, center 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 the 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.
- 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
- LAB MANUAL SCIENCE FICTION X NCERT PUBLICATIONS
- Example Problems Class IX NCERT Publication
- Example Problems Class X NCERT Publication
Frequently Asked Questions (FAQ’s)
- What is the CBSE Class 10th Science Syllabus for 2023-24?
The CBSE Class 10th Science Syllabus for 2024 includes topics such as Chemical Reactions and Equations, Acids, Bases and Salts, Metals and Non-Metals, Carbon and its Compounds, Periodic Classification of Elements, Life Processes, Control and Coordination, Heredity and Evolution, Light – Reflection and Refraction, Electricity, Magnetic Effects of Electric Current, Sources of Energy, and Our Environment.
- What are the units in the CBSE Class 10th Science Syllabus for 2023-24?
The units in the CBSE Class 10th Science Syllabus for 2024 are Chemical Substances – Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current, and Natural Resources.
- What are the experiments included in the practical component of CBSE Class 10th Science Exam?
The experiments included in the practical component of CBSE Class 10th Science Exam are related to topics such as Acids, Bases and Salts, Metals and Non-Metals, Carbon and its Compounds, Periodic Classification of Elements, Control and Coordination, Life Processes, and Our Environment.
- Is there any change in the CBSE Class 10th Science Syllabus for 2023-24?
Recently, CBSE Board announced the changes in the CBSE Class 10th Science Syllabus for 2023-24 session. However, it is always recommended to check the official website of CBSE for any updates or changes in the syllabus.
- Is there any choice in the practical component of CBSE Class 10th Science Exam 2024?
Yes, there is a choice in the practical component of CBSE Class 10th Science Exam 2024. Students are required to perform only 8 out of the total 10 experiments.