The CBSE Class 10 Science syllabus is a comprehensive and challenging one. It covers a wide range of topics, including chemistry, biology, physics, and environmental science.
The CBSE Class 10 Science syllabus for 2022-23 covers a wide range of topics, including
Chemical Substances – Nature and Behaviour
The World of the Living
Natural Phenomena
How Things Work
Natural Resources
The syllabus is designed to give students a comprehensive understanding of the basic concepts of science. It also helps students develop critical thinking and problem-solving skills.
Here is a more detailed look at the topics covered in the syllabus
Chemical Substances – Nature and Behaviour
This unit introduces students to the basic concepts of chemistry, such as atoms, molecules, elements, and compounds. Students also learn about the different types of chemical reactions and how to balance chemical equations.
The World of the Living
This unit covers the basic concepts of biology, such as cells, tissues, organs, and systems. Students also learn about the different life processes, such as nutrition, respiration, transport, and excretion.
Natural Phenomena
This unit covers a variety of physical phenomena, such as light, sound, electricity, and magnetism. Students also learn about the different forces that act on objects and how they affect their motion.
How Things Work
This unit covers the basic principles of machines and how they work. Students also learn about the different types of energy and how they are used to power machines.
Natural Resources
This unit covers the different types of natural resources, such as forests, water, and minerals. Students also learn about the importance of conserving natural resources and how to use them sustainably.
The CBSE Class 10 Science syllabus is a rigorous but rewarding one. By studying the syllabus, students will gain a solid foundation in the basic concepts of science. They will also develop critical thinking and problem-solving skills that will be valuable in their future careers.
| 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 Syllabus 2022 – 23
CBSE Class 10 Science Syllabus 2022 – 23
Unit I: Chemical Substances – Nature and Behaviour
- Chapter- 1 Chemical Reactions Chemical equation
- 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
- Chapter-2 Acids, bases and salts
- Their definitions in terms of furnishing of H+ and OH– ions,
- General properties, examples and uses, neutralization, the 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 & Non-metals
- Properties of metals and non-metals
- Reactivity series
- Formation and properties of ionic compounds
- Basic metallurgical processes
- Corrosion and its prevention.
Chapter-4 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.
Unit II: World of Living
Chapter-5 Life Processes
- ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals
Chapter-6 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 Reproduction
- Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning.
- Safe sex vs HIV/AIDS
- Childbearing
- Women’s health
Chapter-8 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 Reflection & Refraction
- 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, and applications of spherical mirrors and lenses.
- Refraction of light through a prism, dispersion of light, scattering of light, and applications in daily life (excluding the color of the sun at sunrise and sunset).
Unit IV: Effects of Current
Chapter-10 Electricity Ohm’s law;
- Electric current, potential difference, and electric current.
- Resistance, Resistivity, and 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-11 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 a 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-12. Our Environment
- Eco-system,
- Environmental problems
- Ozone depletion
- Waste production and their solutions
- Biodegradable and non-biodegradable substances