Unit I: Origin and Evolution of Life
Chapter 1: Origin and Evolution of Life
Origin of universe, Timeline of the Big Bang, Formation of the solar system and the origin of the earth, Origin of life on earth, Why is earth unique in the solar system when compared to other planets? Prebiotic chemistry, Why is water necessary for life?, Importance of carbon, The early atmosphere, Distribution of life in the universe.
Unit II: Water and Energy for Life
Chapter 2: Water
Hard and soft water, Water softening techniques, Potable and non-potable water, Desalination, Electrodialysis, Commonly used water purification techniques, Reverse osmosis, Filtration, Distillation, Heating, Purification of sewage water, Water resources, Water conservation, Agricultural use, Industrial uses, Domestic use, Use of wastewater, Rain water harvesting.
Chapter 3: Energy
Different forms of energy, Mechanical energy, Chemical energy, Electrochemical energy, Electric energy, Thermal energy (heat energy), Electromagnetic energy, Energy resources, Non-renewable energy sources, Renewable energy sources, Conservation of energy.
Unit III: Nutrients and Household Chemicals
Chapter 4: Nutrients
Macronutrients, Why are carbohydrates essential?, Why are proteins essential?, Why do we need fat to survive?, Micronutrients, Nutritive value of foods, Nutritive value of Indian foods, Nutritive value of processed foods, Balanced diet and indian food pyramid, Recommended dietary allowance for Indians, Obesity and BMI, Fermentation technology in food science, Fermentation process, Common fermented food products, Fermented dairy products, Fermented non-dairy products, Probiotics.
Chapter 5: Household Chemicals
Common household chemicals, Table salt, Acids and bases around us, Antiseptics and disinfectants, Bleaching and stain removal, Rusting (corrosion), Fire extinguishers.
Unit IV: Physical Parameters and Household Appliances
Chapter 6: Physical Parameters
Distance, Important events at different ‘scales’ of distance, Units, Prefix as a multiple of unit, Scale on a drawing, Techniques for measurement of distance, Mass, Use of the term ‘mass’ in science, Time, Unit and measurement of time, Temperature, Measurement of temperature, Difference between heat and temperature, Variation of temperature on earth, Transfer of heat, Force, Units of force (newton, N), Four fundamental forces.
Chapter 7: Household Appliances
Refrigerator, Earthen pot water evaporation coolers, Pumps, Resistive heater, Disposal of electrical/electronic devices, Harmful effects, e-waste treatment and disposal methods, Existing legislation (India), Rating of gadgets.
Unit V: Industry and Technology in Daily Life
Chapter 8: Contributions of Polymer Industry
Types of polymers, Plastics, Disadvantages of plastics, Rubber and tyres, Textile and clothing, Ceramics, Whiteware.
Chapter 9: Pharmaceuticals and Cosmetics
Commonly used drugs in daily life, Antipyretics, Analgesics, Antibiotics, Antiseptics, Generic drugs, Herbal medicines, Drug abuse, Cosmetics, Constituents of cosmetics, Some popular types of cosmetics and their constituents.
Chapter 10: Agrochemicals
Crop protectors, Pesticides, Soil supplements, Fertilisers, Hormones/growth agents, Environmental impact of pesticides/insecticides/fungicides/ herbicides, Air pollution, Water pollution, Soil pollution, Organic farming.
Chapter 11: Electronic Industry and Space Exploration
General introduction, IC (integrated circuits), Applications, LED (light emitting diode), Concerns about LEDs, Applications, LCD (liquid crystal display), Some facts and fiction, Applications, Solar cell, Some facts and fiction, The government initiative, Applications, Sensors, Applications, Audio–visual, Applications, Laser, Some concerns about lasers, Some facts and fiction, Applications, Space exploration—India’s initiative, Applications.
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