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Class 10 Science Syllabus

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Class 10 Science Syllabus

Because students in class 10 will be taking their first board exams, it is one of the most difficult years of their academic careers. The CBSE Class 10 Science Syllabus for the 2022–23 academic year was created following the rules established by the Board. Students should review the Class 10 Science Syllabus to become familiar with the subject’s major themes and subtopics. Additionally, the CBSE Syllabus covers practical assignments, projects, and a unit-by-unit grading scheme. To help students plan their study schedule following the board exams, the CBSE Class 10 Science Syllabus is created in a particular way.

Class 10 Science Syllabus

CBSE Class 10 Science Syllabus 2022-23 includes Chemical Substances-Nature and Behaviour, World of Living, Natural Phenomena, Effects of Current etc for the session 2022 – 2023.

 

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, neutralization, oxidation and reduction.

 

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.

 

Metals and non-metals: 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), the difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, and 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’. The basic concept of nutrition, respiration, transport and excretion in plants and animals.

 

Control and coordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and coordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical coordination: animal hormones.

 

Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health needs and methods of family planning. Safe sex vs HIV/AIDS. Childbearing 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 the 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, applications in daily life.

 

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 the current-carrying conductor, Fleming’s Left Hand Rule, Electric Motor, Electromagnetic induction. The induced potential difference, Induced current. Fleming’s Right-Hand Rule, Electric Generator, 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.


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