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CBSE Class 10 - Science

NCERT Syllabus For CBSE Class 10 Science

One Paper Time : 2 1/2Hours; Marks : 60
I Chemical Substances 18
II World of living 16
III Effects of Current 10
IV Light 08
V Natural Resources 08
  TOTAL 60
  Theme : Materials  

1. Chemical Substances - Nature And Behaviour


(i) Acids,bases and salts :

General properties, examples and uses.

(ii) Chemical reactions

: Types of chemical reactions : combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction in terms of gain and loss of oxygen and hydrogen.

(iii) Metals and non metals

: Brief discussion of basic metallurgical processes. Properties of common metals. Elementary idea about bonding.

(iv) Carbon Compounds

: Carbon compounds, elementary idea about bonding. Saturated hydrocarbons, alcohols, carboxylic acids (no preparation, only properties).

(v) Some Important chemical compounds

: Soap-cleansing action of soap.

(vi) Periodic classification of elements

: Gradations in properties : Mendeleev periodic table.
  Theme : The world of the living  

2. Our Environment


(i) Our environment :

Environmental problems, their solutions. Biodegradable, non biodegradable, ozone depletion.

(ii) Life Processes

: "living" things; Basic concept of nutrition, respiration, transport and excretion in plants and animals.

(iii) Control and Co-ordination in plants and animals

: Tropic movements in plants; Introduction to plant hormones; control and co-ordination in animals : voluntary, involuntary and reflex action, nervous system; chemical co-ordination : animal hormones.

(iv) Reproduction:

Reproduction in plants and animals. Need for and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women's health.

(v) Heridity and evolution

: Heridity; Origin of life : brief introduction; Basic concepts of evolution.
  Theme : How things work.  

3. Effects Of Current

  Potential, Potential difference, Ohm's law; Series combination of resistors, parallel combination of resistors; Power dissipation due to current; Inter relation between P, V, I and R.  

(i) Magnets:

Magnetic field, field lines, field due to a current carrying wire, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming's left hand rule. Electro magnetic induction. Induced potential difference, Induced current. Direct current. Alternating current; frequency of AC. Advantage of AC over DC. Domestic electric circuits.
  Theme : Natural Phenomena  

4. Light

  Convergence and divergence of light. Images formed by a concave mirror; related concepts; centre of curvature; principal axis. Optic centre, focus, focal length. Refraction; laws of refraction. Image formed by a convex lens; functioning of a lens in human eye; problems of vision and remedies. Applications of spherical mirrors and lenses. Appreciations of concept of refraction; velocity of light; refractive index; twinkling of stars; dispersion of light. Scattering of light.  
  Theme : Natural Resources  

5. Natural Resources


(i) Conservation of natural resources :

Management of natural resources. Conservation and judicious use of natural resources. Forest and wild life, coal and petroleum conservation. People's participation. Chipko movement. Legal perspectives in conservation and international scenario.

(ii) Sources of energy :

Different forms of energy, leading to different sources for human use : fossil fuels, solar energy; biogas; wind, water and tidal energy; nuclear energy. Renewable versus non - renewable sources.

(iii) The Regional environment :

Big dams : advantages and limitations; alternatives if any. Water harvesting. Sustainability of natural resources.
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