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Install Now| UNITS | MARKS | |
| I | Food | 05 |
| II | Matter - ITS nature and behaviour | 15 |
| III | Organisation in living world | 13 |
| IV | Motion, Force and Work | 20 |
| V | Our Environment | 07 |
| TOTAL | 60 |
| Theme : Food | ||
1. Food (Periods - 10) |
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| Plant and animal breeding and selection for quality improvement and management ; use of fertilizers, manures; protection from pests and diseases; organic farming. | ||
| Theme : Materials | ||
2. Matter - Nature And Behaviour (Periods - 50) |
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| Definition of matter; solid, liquid and gas; characteristics - shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (Cooling by evaporation), condensation, sublimation. | ||
(i) Nature of matter: Elements, compounds and mixtures. Heterogenous and homogenous mixtures, colloids and suspensions. |
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(ii) Particle nature, basic units : atoms and molecules. Law of constant proportions. Atomic and molecular masses. |
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(iii) Mole Concept: Relationship of mole to mass of the particles and numbers. Valency. Chemical formula of common compounds. |
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(iv) Structure of atom: Electrons, protons and neutrons; Isotopes and isobars. |
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| Theme : The World of the living | ||
3. Organization In The Living World (Periods - 45) |
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(i) BiologicalDiversity :Diversity of plants and animals - basic issues in scientific naming, basis of classification. Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thalophyta, Bryo phyta, Pteridophyta, gymnosperms and Angiosperms). Major groups of animals (salient features) (Non-chordates upto phyla and chordates upto classes). |
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(ii) Cell- Basic Unit of life :Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles; chloroplast, mitochondria, vacuoles, ER, golgi apparatus; nucleus, chromosomes - basic structure, number. Tissues, organs, organ systems, organism. Structure and functions of animal and plant tissues (four types in animals; merismatic and permanent tissues in plants). |
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(iii) Health and diseases :Health and its failure. Disease and its causes. Diseases caused by microbes and their prevention - Typhoid, diarrhoea, malaria, hepatitis, rabies, AIDS, TB, polio; pulse polio programme. |
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(iv) Transport of materials in the living systems :Diffusion / exchange of substances between cells and their environment and between the cells themselves in the living system; role in nutrition, water and food transport, excretion, gaseous exchange. |
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| Theme : Moving things, people and ideas | ||
4. Motion, Force And Work (Periods - 60) |
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(i) Motion:displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance - time and velocity-time graphs for uniform and uniformly accelerated motion, equations of motion by graphical method; elementary idea of uniform circular motion. |
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(ii) Force and Newton's laws :Force and motion, Newton's laws of motion, inertia of a body, inertia and mass, momentum, force and acceleration. Elementary idea of conservation of momentum, action and reaction forces. |
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(iii) Gravitation:Gravitation; universal law of gravitation, force of gravitation of the earth (gravity), acceleration due to gravity; mass and weight; free fall. |
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(iv) Work,Energy and Power: Work done by a force, energy, power; kinetic and potential energy; law of conservation of energy. |
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(v) Floatation:Thrust and pressure. Archimedes' principle, buoyancy, elementary idea of relative density. |
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(vi) Sound:Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. |
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| Structure of the human ear (auditory aspect only). | ||
| Theme : Natural Resources | ||
5. Our Environment (Periods - 15) |
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(i) Physical resources :Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures, movements of air and its role in bringing rains across India. |
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| Air, water and soil pollution ( brief introduction). Holes in ozone layer and the probable damages. | ||
(ii) Bio-geo chemical cycles in nature :water, oxygen, carbon, nitrogen |
