Unit
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Topic name
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Materials
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Acids and Bases: Acids, Bases and Salts: General properties, examples and uses.
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Chemical Reactions: Types of chemical reactions: combination, decomposition, displacement double decomposition, precipitation, and neutralization.
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Oxidation and Reduction: Oxidation and Reduction in terms of gain and loss of oxygen and hydrogen.
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Metals and Non-Metals: Brief discussion on basic metallurgical processes. Properties of common metals. Elementary idea about bonding.
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Carbon Compounds: Elementary idea about bonding. Saturated hydrocarbons, alcohols, carboxylic acids (properties only)
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Common chemicals used in daily life: Soap, common salt, Washing soda, Baking soda, bleaching powder, Plaster of Paris.
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Classification of Elements: Brief historical account, Mendeleev's periodic table, gradation in properties.
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The World of the Living
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Life Processes: Definition of "Living things". Basic concept of nutrition, respiration, transport and excretion in plants and animals.
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Control in the Living: Tropic movements in plants. Introduction to plant hormones; control and coordination in animals; voluntary, involuntary and reflex action, nervous system, chemical coordination, animal hormones.
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Reproduction in the Living: Reproduction in plants and animals. Need for and methods of family planning. Safe Sex vs-. HIV/AIDS. Child bearing and women's health.
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Heredity and Evolution: Heredity, origin of life- brief introduction, Basic concepts of evolution
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Moving things. People and Ideas
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Electric Circuits: Potential and potential difference. Ohm's Law, Resistances in series and parallel. Power dissipated due to current. Inter relation between P, V, I and R.
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Magnets: Magnetic field, field lines. Field due to a current carrying wire, coil, solenoid. Force on current carrying conductor. Fleming's Left Hand Rule. Electric motor, electromagnetic induction. Induced potential differences, induced current. Electric generator, principle and working.
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Direct and Alternating current. Frequency of AC. Advantages of AC over DC. Domestic Electric Circuits.
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Natural Phenomena
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Light : Convergence and Divergence of Light.
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Spherical Mirrors: Images formed by a concave mirror. Related concepts: centre of curvature, principal axis, optical centre, focus, focal length.
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Refraction: appreciation of the concept of refraction. Laws of refraction. Velocity of light. Refractive index; twinkling of stars; dispersion of light. Scattering of light.
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Lenses: Images formed by a convex lens; functioning of the lens in the human problems of vision and their remedies. Application of spherical mirrors and lenses.
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Pollution
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Types of pollution - air, water, (fresh and marine), soil, radiation, and noise.
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Sources of pollution and major pollutants, oil spills
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Effect of pollution on -environment, human health and other organisms
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Abatement of pollution
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Striving for a Better Environment
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Use of efficient and eco-friendly technology
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Sustainable use of resources.
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Enforcement of acts, laws and policies
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