CBSE Class 10 Science Syllabus For SA-1 & SA-2

The Syllabus for Class 10 Science CBSE Board is mentioned below. The SA- 1 & SA- 2 syllabus for Science subject is mentioned below which each student has to be prepare for exam.

Course Structure

Subject Name	Term I	Term II
Chemical Substances	33	23
World of Living	21	30
Effects of Current	29	–
Natural Phenomenon	–	29
Natural Resources	7	8
Total	90	90

First Term SA-I

Unit I: Chemical Substances – Nature and Behaviour

Chemical reactions: Chemical equation, types- combination, decomposition, double displacement, oxidation, neutralisation, prescription, reduction

Acids, bases and salts: Definitions, H+ and OH- ions, Properties, examples, uses, concept of pH scale, importance of pH in everyday life, uses of NaOH, Washing soda, Plaster of Paris, Baking soda

Metals and non metals: Properties, formation, properties of ionic compounds, reactivity series, corrosion and how to prevent it.

Unit II: World of Living

Life processes like nutrition, excretion in plants and animals, respiration, transportation.

Control & co-ordination in animals and plants

Unit IV: Effects of Current

Electric current:  Potential difference & electric current, Ohm’s law, Resistance, Series & parallel combination of resistors, Electric power, Heating effect of electric current and applications in daily life, relation in P, V, I, R.

Magnetic effects of current: Magnetic field, field due to a current carrying coil or solenoid or current carrying conductor, Induced potential difference, Induced current, Alternating current, Electromagnetic induction, Fleming’s left hand & right hand rule

Unit V: Natural Resources

Sources of energy: conventional & non-conventional sources of energy

Second Term SA-II

Unit I: Chemical Substances – Nature and Behaviour

Carbon compounds: Homologous series, Periodic classification of elements, halogens, alcohol, ketones , aldehydes, alkanes, alkynes, soaps and detergents, valency, metallic & non-metallic properties, atomic number, Chemical properties of carbon compounds, Covalent bonding in carbon compounds

Unit II: World of Living

Reproduction: Reproduction in animal and plants, methods of family planning, HIV/AIDS, Child bearing, women’s health, Heredity & evolution, Sex determination

Unit III: Natural Phenomenon

Reflection of light at curved surfaces& spherical lens, centre of curvature, principal axis, mirror formula, magnification, principal focus, focal length, Images formed by spherical mirrors & spherical lenses, Refraction-laws, refractive index, Lens formula,  applications of spherical mirrors and lenses, Refraction of light through a prism, applications in daily life, dispersion of light, scattering of light, Magnification, defects of vision & their corrections

Unit V: Natural Resources

Conservation & Management of natural resources, Forest and wild life, coal and petroleum conservation, Our environment, Biodegradable & non-biodegradable substances, Big dams,  advantages & limitations, alternatives, Water harvesting, Sustainability

First Term Practical:

1. To study the properties of acids (HCl) and bases (NaOH) by reaction with Litmus solution, Zinc metal, Solid sodium carbonate
2. To perform and classify reactions into- Combination, Decomposition, Displacement, Double displacement. The results of reactions- Action of water on quick lime, Iron nails kept in copper sulphate solution, Reaction between sodium sulphate & barium chloride solutions, Action of heat on ferrous sulphate crystals
3. To find the pH of samples by using pH paper/universal indicator- Dilute HCl, Dilute NaOH solution, water, Lemon juice, Dilute Sodium Bicarbonate solution, Dilute Ethanoic Acid solution
4. To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions- ZnSO₄, FeSO₄, CuSO₄, Al₂(SO4)₃ Arrange Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity
5. Study dependence of potential difference (V) across a resistor on the current (I) and calculate resistance. Plot a graph (V and I)
6. To determine the equivalent resistance of two resistors when connected in series.
7. To determine the equivalent resistance of two resistors when connected in parallel.
8. To prepare a temporary mount of a leaf peel to show stomata.
9. To show experimentally that carbon dioxide is given out during respiration.
10. To show experimentally that light is necessary for photosynthesis.

Second Term Practicals

1. Study properties of acetic acid (ethanoic acid): odour, effect on litmus, solubility of water, reaction with sodium bicarbonate
2. To study saponification reaction for preparation of soap.
3. To study the cleaning capacity of a sample of soap in soft and hard water.
4. To determine the focal length of:  Concave & convex mirror by maintaining the image of a distant object.
5. To trace path of a ray of light passing a rectangular glass slab for different angles of incidence. Measure the angle of incidence, refraction, emergence
6. Study binary fission in Amoeba, budding in yeast with the help of prepared slides.
7. Trace the path of the rays of light through a glass prism.
8. To find image distance for varying object distances in convex lens and draw corresponding ray diagrams which represent the nature of image formed.
9. To study homology and analogy with the help of models/charts of animals and models/ charts/ specimens of plants.
10. To identify different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).