CBSE Class 10 Science Syllabus are released by Central Board of Secondary Education (CBSE). It mainly consists of total 5 Units and 14 chapters. As, there are many chapters to study, so students must thoroughly go through the latest syllabus and marking scheme for better preparation. Otherwise, students may be confused, from which chapter they should start first. A PDF of the Class 10 Science Syllabus is given below. So, directly download it and utilize for better study strategy. Students must always know, which chapters are more important and which chapter contain maximum marks. So, they will have the better idea to prepare for a better study plan.
Class 10 Board are a crucial step for all the students as it the first board exam, students appears. So, it should taking very seriously and need a properly study plan strategy. That’s why always focus on the latest syllabus and marking scheme for a better plan.
A direct link to download Class 10 Science Syllabus PDF Free Download is also provided below for the students.
CBSE Class 10 Science Syllabus 2023 – 2024
Though class 10 Science syllabus consists 14 chapters, but all the chapters are not so important. So, don’t forget to check out marking scheme for better study plan. Always, start with the most important chapters first. Below is the syllabus of Class 10 Science Syllabus 2023 – 2024.
Theme: Materials
Unit 1: 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 Living
Unit 2: 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 3: 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.
Human eye: 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 4: Effects of Current
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.
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 5: Natural Resources
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
CBSE Class 10 Science Syllabus 2023 – 2024 – Download Syllabus PDF
You can download the Class 10 Science Syllabus 2023-2024 direct from the download link –
CBSE Class 10 Science Marking Scheme
Students should always see marking scheme for better study plan. Below, you can see that Class 10 Science consists of 5 Units of which first 2 Units covers the highest marks. You should always start your preparation with the highest marks containing units.
| Units | Topics | 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 Practise Unit-wise Syllabus
Below is a CBSE Class 10 Science unit-wise practical syllabus. It consists of 20 marks so students should not ignore it. Thus, learning practical and scoring better marks in practical exam helps them to increase their overall performance. It will also help students to have a practical and experimental knowledge.
Unit 1
