CBSE Class 10 Syllabus For Science 2019-20

CBSE Class 10 Syllabus For Science 2019-20

Units included in the syllabus along with the marks distribution:

Unit No
Unit Name
Marks
1
Chemical Substance – Nature and Behaviour
25
2
World of Living
23
3
Natural Phenomena
12
4
Effects of Current
13
5
Natural Resources
07

Total Marks 
80

The CBSE board examination will be of 80 Marks and rest 20 Marks are for Internal Assessment. Let us now look at the chapters and concepts under each unit of CBSE Class 10 Syllabus for Science.


Chemistry – CBSE Class 10 Syllabus For Science

The CBSE Class 10 Chemistry Syllabus are listed below:

Unit I: Chemical Substances – Nature and Behaviour

1.  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.

2.  Acids, Bases and Salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, 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.

3.  Metals And Nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

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), the 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.

5.  Periodic Classification Of Elements: Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.

Biology – CBSE Class 10 Syllabus For Science

The CBSE Class 10 Biology Syllabus are listed below:

Unit II: World of Living

1.  Life processes: ‘Living Being’. The basic concept of nutrition, respiration, transport and excretion in plants and animals.

2.  Control and Coordination In Animals And Plants: Tropic movements in plants; Introduction of plant hormones;

3.  Control and Coordination In Animals: Nervous system; Voluntary, involuntary and reflex action; Chemical Coordination: animal hormones.

4.  Reproduction: Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning. Safe sex vs HIV/AIDS. Childbearing and women’s health.

5.  Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution.

Physics – CBSE Class 10 Syllabus For Science

The CBSE Class 10 Physics Syllabus are listed below:

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, applications of spherical mirrors and lenses. Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.

Unit IV: Effects of Current

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, Electric Motor, Electromagnetic induction. 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.

CBSE Class 10 Syllabus For Science – Natural Resources

The CBSE Class 10 Natural Resources Syllabus are listed below:

Sources Of Energy: Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.

Our Environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

Management Of Natural Resources: Conservation and judicious use of natural resources. Forest and wildlife; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.

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