1. Measurements / அளவீடுகள்
Units, SI system, prefixes, measurement errors, mass, time, balances and numerical conversions.
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The structure is ready for Standards 6–12.
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6th Standard → Science → Term I → 2025 Edition
Science · Term I
All seven Class 6 Science Term I units are filtered for competitive-exam relevance: core facts, concepts, numericals, classifications and reasoning are retained; classroom/activity trivia is removed.
2. Force and Motion / விசையும் இயக்கமும்
Rest and motion, force, contact/non-contact forces, motion types, speed, uniform motion, multiple motion, robots, AI, nanorobotics, evaluation and ICT.
3. Matter Around Us / நம்மைச் சுற்றியுள்ள பருப்பொருள்கள்
Matter and particles, solids/liquids/gases, diffusion, compressibility, pure substances, mixtures, separation techniques, food adulteration, evaluation, HOTS and ICT.
4. The World of Plants / தாவர உலகம்
Plant parts and functions, root and shoot systems, leaf structure, plant classification, habitats, aquatic and terrestrial adaptations, tendrils, twiners, thorns, evaluation, HOTS and ICT.
5. The World of Animals / விலங்குலகம்
Biodiversity, habitats, unicellular and multicellular organisms, Amoeba/Paramecium/Euglena, fish, frog, lizard, bird and camel adaptations, migration, polar/mountain/forest adaptations, evaluation and ICT.
6. Health and Hygiene / உடல் நலமும் சுகாதாரமும்
Health and hygiene, six nutrients, food tests, vitamins and minerals, balanced diet, malnutrition, deficiency diseases, exercise and rest, personal hygiene, ORS, microbes, bacterial and viral diseases, evaluation, projects and ICT.
7. Computer – An Introduction / கணினி – ஓர் அறிமுகம்
Computer forms and applications, Charles Babbage and Ada Lovelace, abacus and calculator, five generations, data and information, software and hardware, input/output devices, CPU, ENIAC, evaluation and glossary.
Source-first design: every question stores its source textbook page. There is no preset question cap: each chapter keeps every distinct, source-supported examinable question angle after duplicate removal. The English/Tamil switch uses the corresponding source-edition books rather than machine-translating questions at quiz time.
6th Standard → Science → Term II → 2024 Edition
Science · Term II
Term II source books are connected. All seven Term II units are now filtered for competitive-exam relevance from the same English/Tamil books.
1. Heat / வெப்பம்
Sources of heat, molecular view, temperature, boiling/freezing, heat vs temperature, heat flow, thermal equilibrium, expansion in solids, linear/cubical expansion, practical applications, numericals, ICT, evaluation and HOTS.
2. Electricity / மின்னியல்
Electricity sources and Tamil Nadu power stations, cells and batteries, polarity, simple/open/closed/series/parallel circuits, circuit symbols, conductors and insulators, safety, homemade cells, Edison, Michael Faraday, ICT, evaluation, HOTS and word-grid classification.
3. Changes Around Us / நம்மைச் சுற்றி நிகழும் மாற்றங்கள்
Slow/fast, reversible/irreversible, physical/chemical, desirable/undesirable, natural/human-made changes, dissolution, solute/solvent, activities, ICT, evaluation, odd-one-out and candle HOTS.
4. Air / காற்று
Air around us, air occupying space, atmosphere and its layers, Priestley–Ingenhousz–Rutherford experiments, oxygen/nitrogen/carbon-dioxide tests, composition, dust and water vapour, burning, respiration, photosynthesis, inhaled/exhaled air, aquatic respiration, uses, dry ice, ICT, evaluation, HOTS and glossary.
5. The Cell / செல்
Cell basics, Robert Hooke, cell size and number, hen’s egg and onion-peel activities, prokaryotic/eukaryotic cells, plant vs animal cells, 2-D/3-D structure, organelles and functions, ICT, evaluation, reasoning and project work.
6. Human Organ Systems / மனித உறுப்பு மண்டலங்கள்
Eight organ systems, skeletal and muscular systems, digestion, respiration, circulation, nervous coordination, sense organs, endocrine glands, excretion, pulse and blood, activities, ICT, evaluation and source-supported reasoning.
7. Parts of Computer / கணினியின் பாகங்கள்
Input/CPU/output units, keyboard and mouse, monitor types, CPU components, memory and bit, computer classification, connecting cables, Bluetooth/Wi-Fi, evaluation, 4-3-2-1 assembly activity and glossary.
Term II source: English and Tamil Class 6 Science Term II 2024 textbooks supplied through Google Drive. Question generation remains source-first and preserves textbook wording, values, activities, evaluation and HOTS.
6th Standard → Science → Term III → 2024 Edition
Science · Term III
Term III source books are connected. All six Term III units are now filtered for competitive-exam relevance from the same English/Tamil 2024 books.
1. Magnetism / காந்தவியல்
Discovery of magnets, natural and artificial magnets, magnetic/non-magnetic materials, poles, direction finding, compass, attraction/repulsion, magnetization, loss and storage of magnetism, everyday uses, Maglev, ICT, evaluation and HOTS.
2. Water / நீர்
Water sources and availability, three states, freshwater distribution, salinity and composition, solubility and dissolved-salt activities, water cycle, transpiration and condensation, surface/frozen/ground water, scarcity and conservation, rainwater harvesting, uses, wetlands and estuaries, water treatment, ICT, Lavoisier feature, evaluation, HOTS, crossword, graph and rainfall-map tasks.
3. Chemistry in Everyday Life / அன்றாட வாழ்வில் வேதியியல்
Physical and chemical changes, turmeric indicator, fermentation and food chemistry, onion chemistry, soaps and detergents, soap preparation, fertilizers and NPK, crop nutrient data, cement/mortar/concrete/RCC, gypsum, Epsom salt, Plaster of Paris, phenol, adhesives, ICT, evaluation, HOTS and project work.
4. Our Environment / நமது சுற்றுச்சூழல்
Environment and ecosystem components, natural/artificial ecosystems, producers and consumers, food chains/webs, trophic levels and energy flow, biodegradable/non-biodegradable waste, 3R and waste hierarchy, SWM 2016 segregation, global waste data, vermicompost, air/water/land/noise pollution, controls, ICT, evaluation and HOTS.
5. Plants in Daily Life / அன்றாட வாழ்வில் தாவரங்கள்
Economic botany, food plants and edible plant parts, vegetables/cereals/pulses, spices, medicinal plants, fibre-yielding plants, spinning, timber and plywood, ornamental plants, plant–animal interaction, pollination, seed dispersal, soil fertility and erosion control, biofuels, rubber/natural plastics, Neem-coated urea, ICT, evaluation and HOTS.
6. Hardware and Software / வன்பொருளும் மென்பொருளும்
Computer basics, hardware and software, system and application software, operating systems, software-classification diagram, system-management/development software, general/specific-purpose applications, free/open-source software, paid/proprietary software and evaluation.
Term III source: English and Tamil Class 6 Science Term III 2024 textbooks supplied by the user. Question generation remains source-first and preserves textbook wording, values, activities, diagrams, evaluation and HOTS.
6th Standard → Social Science → Term I → 2025 Edition
Social Science · Term I
The 2025 English/Tamil source books are connected. All eight Term I Social Science units are filtered for competitive-exam relevance from the same English/Tamil 2025 books; story, activity, ICT and conceptual-duplicate questions are removed.
History 1. What is History? / வரலாறு என்றால் என்ன?
Historical time, family records and diaries, Istoria, rock paintings, pre-history and proto-history, excavated-sites map, archaeological/literary sources, Ashoka case study, domestication of dogs, glossary, exercises, HOTS, map work, life skill and ICT timeline.
History 2. Human Evolution / மனிதர்களின் பரிணாம வளர்ச்சி
Time-machine sequence, archaeology and anthropology, Tanzania footprints and radiocarbon dating, stages of human evolution, habitats and migration, hunter-gatherer life, hunting methods, stone tools and flaking, fire, wheel and pottery, prehistoric rock art of Tamil Nadu, farming and settlement, domestication, barter, glossary, evaluation, HOTS, map work, life skill and ICT timeline.
History 3. Indus Civilisation / சிந்துவெளி நாகரிகம்
Ancient river-valley civilisations, discovery of Harappa and Mohenjo-Daro, ASI and archaeological exploration, Harappan sites and Mehrgarh, urban planning, streets/houses/drainage, Great Bath, granaries and Assembly Hall, trade/technology/Lothal dockyard, script/apparel/ornaments, religion/governance/occupations, pottery/toys, decline theories, glossary, evaluation, HOTS, activities, rapid-fire, map work and answer grid.
History 4. Ancient Cities of Tamilagam / பண்டைய தமிழக நகரங்கள்
Poompuhar maritime trade and literary evidence, foreign traders and cultural blending, Madurai Sangam/markets/Keezhadi and foreign accounts, Kanchi education/temples/water management, ancient Tamil regions and sayings, glossary, evaluation, HOTS, activities, answer grid and South India map work.
Geography 1. The Universe and Solar System / பேரண்டம் மற்றும் சூரிய குடும்பம்
Universe and galaxies, light-year, solar system and Sun, eight planets and planet groups, dwarf planets, Moon, asteroids/comets/meteors, Earth’s shape and motions, day/night, leap year, equinoxes and solstices, lithosphere/hydrosphere/atmosphere/biosphere, glossary, exercises, picture study, puzzle, activities and Stellarium ICT.
Geography 2. Land and Oceans / நிலப்பரப்பும் பெருங்கடல்களும்
Competitive-exam-focused coverage of Pangea/Panthalasa, Earth land-water ratio, first/second/third-order landforms, continents and Sangam landscapes, mountains/plateaus/plains, erosion/deposition, Pacific/Atlantic/Indian/Southern/Arctic Oceans, trenches, straits and channels, comparative ocean data, positional geography, Tamil Nadu landforms, statement analysis and textbook evaluation.
Civics 1. Understanding Diversity / பன்முகத்தன்மையினை அறிவோம்
Competitive-exam-focused coverage of diversity and its types, migration and Indian diversity, landforms/climate/livelihood, social interdependence and family, secularism and religious diversity, linguistic diversity and Census data, language families, classical-language chronology as printed, cultural diversity, classical/folk dances, unity in diversity, Jawaharlal Nehru, V.A. Smith, glossary and textbook evaluation.
Civics 2. Achieving Equality / சமத்துவம் பெறுதல்
Competitive-exam-focused coverage of prejudice, stereotypes, inequality and discrimination; Articles 14, 15(1) and 17; caste/Varna, gender, religious and socio-economic inequality; 2011 literacy and sex-ratio data; remedial measures; Ambedkar, Nelson Mandela, A.P.J. Abdul Kalam, Viswanathan Anand, S. Ilavazhagi and Mariyappan Thangavelu; glossary, evaluation and constitutional reasoning.
Term I Social Science source: English and Tamil Class 6 Social Science Term I 2025 textbooks supplied by the user. English/Tamil printed page references are preserved separately where the editions differ.