TN State Board · Class 10
Science Complete Guide
Syllabus, official resources, chapter guides, textbook solutions, question bank, model papers, revision plan, exam tips, and FAQs.
Chapters
23
Published Guides
105
Chapter Guides
23/23
Practice Resources
82
📝 Textbook Exercise Solutions — Chapter-wise
MCQ, short answers, long answers, and numericals with full worked solutions
Syllabus and Official Resources
Official-first4 syllabus focus areas with Tamil Nadu textbook resources as the primary source.
View sectionTextbook Exercise Solutions
LiveExercise workflow pages are live for answer-writing and correction practice.
View sectionImportant Questions
Ready5 question patterns are listed for one-mark, short-answer, and long-answer practice.
View sectionExam Tips
Subject-specificExam guidance focuses on science presentation, keywords, time use, and common mistakes.
View sectionFAQs
In guidesFAQs are included inside individual guides so answers stay close to the exact chapter or resource.
View sectionSyllabus Roadmap
- Physics: laws of motion, optics, heat, electricity, sound, and nuclear physics.
- Chemistry: atoms, periodic classification, solutions, reactions, and carbon compounds.
- Biology: plant and animal systems, reproduction, heredity, evolution, biotechnology, health, and environment.
- Computer Science: visual communication basics.
Official Books
Use official Tamil Nadu textbook resources first, then study with KalviGavani chapter guides.
Open TN Textbook SourceChapter Dashboard
23/23 chapter guides published
Physics · Chapter 1
Laws of Motion
Physics · Chapter 2
Optics
Physics · Chapter 3
Thermal Physics
Physics · Chapter 4
Electricity
Physics · Chapter 5
Acoustics
Physics · Chapter 6
Nuclear Physics
Chemistry · Chapter 7
Atoms and Molecules
Chemistry · Chapter 8
Periodic Classification of Elements
Chemistry · Chapter 9
Solutions
Chemistry · Chapter 10
Types of Chemical Reactions
Chemistry · Chapter 11
Carbon and its Compounds
Biology · Chapter 12
Plant Anatomy and Plant Physiology
Biology · Chapter 13
Structural Organisation of Animals
Biology · Chapter 14
Transportation in Plants and Circulation in Animals
Biology · Chapter 15
Nervous System
Biology · Chapter 16
Plant and Animal Hormones
Biology · Chapter 17
Reproduction in Plants and Animals
Biology · Chapter 18
Heredity
Biology · Chapter 19
Origin and Evolution of Life
Biology · Chapter 20
Breeding and Biotechnology
Biology · Chapter 21
Health and Diseases
Biology · Chapter 22
Environmental Management
Computer Science · Chapter 23
Visual Communication
Question Bank
- One-mark definitions and direct textbook facts
- Two-mark difference-between and reason questions
- Diagram labelling and explanation questions
- Formula, equation, and numerical problems
- Five-mark concept explanations with examples
Model Papers
- After each unit, solve a short unit test.
- After all Physics chapters, write one mixed Physics practice set.
- After Chemistry chapters, revise equations and reactions before attempting a set.
- In the final month, write one full Science model paper every week.
Revision Plan
- Week 1: Finish textbook reading and glossary for all weak chapters.
- Week 2: Solve textbook questions and mark repeated mistakes.
- Week 3: Practise important questions, diagrams, and formulae.
- Week 4: Write model papers and revise only the mistake notebook.
Published Chapter Guides
chapter-guide
Tamil Nadu Class 10 Science Chapter 5 — Acoustics
Samacheer Kalvi Class 10 Science Acoustics guide covering sound waves, echo, frequency, amplitude, velocity, human ear basics, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 7 - Atoms and Molecules
Samacheer Kalvi Class 10 Science Atoms and Molecules guide with atomicity, molecular mass, mole concept, Avogadro number, formula mass, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 20 - Breeding and Biotechnology
Samacheer Kalvi Class 10 Science Breeding and Biotechnology guide with plant breeding, animal breeding, hybridisation, genetic engineering, tissue culture, applications, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 11 - Carbon and its Compounds
Samacheer Kalvi Class 10 Science Carbon and its Compounds guide with covalent bonding, catenation, hydrocarbons, functional groups, ethanol, ethanoic acid, soaps, detergents, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 22 - Environmental Management
Samacheer Kalvi Class 10 Science Environmental Management guide with natural resources, pollution, conservation, waste management, biodiversity, sustainable development, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 21 - Health and Diseases
Samacheer Kalvi Class 10 Science Health and Diseases guide with health, disease, pathogens, immunity, vaccination, communicable and non-communicable diseases, prevention, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 18 - Heredity
Samacheer Kalvi Class 10 Science Heredity guide with genes, chromosomes, DNA, Mendel, dominant and recessive traits, monohybrid cross, sex determination, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 15 - Nervous System
Samacheer Kalvi Class 10 Science Nervous System guide with neuron, brain, spinal cord, reflex action, sense organs, coordination, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 6 — Nuclear Physics
Samacheer Kalvi Class 10 Science Nuclear Physics guide with radioactivity, nuclear fission, fusion, isotopes, applications, safety, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 19 - Origin and Evolution of Life
Samacheer Kalvi Class 10 Science Origin and Evolution of Life guide with evolution, fossils, natural selection, speciation, homologous and analogous organs, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 8 - Periodic Classification of Elements
Samacheer Kalvi Class 10 Science Periodic Classification of Elements guide with modern periodic law, groups, periods, atomic size, metallic character, valency trends, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 12 - Plant Anatomy and Plant Physiology
Samacheer Kalvi Class 10 Science Plant Anatomy and Plant Physiology guide with plant tissues, root and stem anatomy, photosynthesis, transpiration, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 16 - Plant and Animal Hormones
Samacheer Kalvi Class 10 Science Plant and Animal Hormones guide with auxin, gibberellin, insulin, thyroxine, adrenaline, endocrine glands, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 17 - Reproduction in Plants and Animals
Samacheer Kalvi Class 10 Science Reproduction in Plants and Animals guide with asexual reproduction, sexual reproduction, flower structure, human reproductive system, fertilisation, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 13 - Structural Organisation of Animals
Samacheer Kalvi Class 10 Science Structural Organisation of Animals guide with animal tissues, epithelial, connective, muscular and nervous tissues, organ systems, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 14 - Transportation in Plants and Circulation in Animals
Samacheer Kalvi Class 10 Science Transportation in Plants and Circulation in Animals guide with xylem, phloem, blood, heart, circulation, blood vessels, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 10 - Types of Chemical Reactions
Samacheer Kalvi Class 10 Science Types of Chemical Reactions guide with combination, decomposition, displacement, double displacement, oxidation, reduction, equations, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 23 - Visual Communication
Samacheer Kalvi Class 10 Science Visual Communication guide with communication basics, visual media, graphics, symbols, digital tools, design principles, important questions, and revision checklist.
6 June 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 4 — Electricity
Samacheer Kalvi Class 10 Science Electricity guide with electric current, potential difference, Ohm's law, resistance, circuits, formulae, important questions, and revision checklist.
22 May 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 1 — Laws of Motion
Samacheer Kalvi Class 10 Science Laws of Motion guide with summary, key definitions, formulae, textbook solution strategy, important questions, and revision checklist.
22 May 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 2 — Optics
Samacheer Kalvi Class 10 Science Optics guide covering reflection, refraction, lenses, ray diagrams, formulae, important questions, and revision tips.
22 May 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 3 — Thermal Physics
Samacheer Kalvi Class 10 Science Thermal Physics guide with heat, temperature, thermal expansion, specific heat capacity, important formulae, questions, and revision checklist.
22 May 2026
chapter-guide
Tamil Nadu Class 10 Science Chapter 9 - Solutions
Samacheer Kalvi Class 10 Science Solutions guide with solute, solvent, concentration, saturated solution, solubility, dilution, important questions, and revision checklist.
9 May 2026
Practice Resources
exercise-solutions
Samacheer Kalvi 10th Science Chapter 10 Long Answer Questions — Types of Chemical Reactions with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 10 Types of Chemical Reactions with detailed answers and examples.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 11 Long Answer Questions — Carbon and its Compounds with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 11 Carbon and its Compounds with detailed answers covering organic chemistry, hydrocarbons, and functional groups.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 12 Long Answer Questions — Plant Anatomy and Plant Physiology with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 12 Plant Anatomy with detailed answers covering plant tissues, photosynthesis, and transpiration.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 13 Long Answer Questions — Structural Organisation of Animals with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 13 Structural Organisation of Animals with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 14 Long Answer Questions — Transportation in Plants and Circulation in Animals with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 14 Transportation and Circulation with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 15 Long Answer Questions — Nervous System with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 15 Nervous System with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 16 Long Answer Questions — Reproduction with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 16 Reproduction with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 17 Long Answer Questions — Heredity with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 17 Heredity with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 18 Long Answer Questions — Evolution with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 18 Evolution with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 19 Long Answer Questions — Health and Diseases with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 19 Health and Diseases with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 2 Long Answer Questions — Optics with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 2 Optics with detailed answers covering refraction, lenses, and vision defects.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 20 Long Answer Questions — Environmental Management with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 20 Environmental Management with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 21 Long Answer Questions — Breeding and Biotechnology with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 21 Breeding and Biotechnology with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 21 Short Answer Questions — Breeding and Biotechnology with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 21 Breeding and Biotechnology with detailed answers for 2 and 3 mark questions.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 22 Long Answer Questions — Visual Communication with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 22 Visual Communication with detailed answers.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 22 Short Answer Questions — Visual Communication with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 22 Visual Communication with detailed answers for 2 and 3 mark questions.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 3 Long Answer Questions — Thermal Physics with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 3 Thermal Physics with detailed answers covering gas laws, heat transfer, and calorimetry.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 4 Long Answer Questions — Electricity with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 4 Electricity with detailed answers covering Ohm's law, circuits, Joule's law, and domestic wiring.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 5 Long Answer Questions — Acoustics with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 5 Acoustics with detailed answers covering sound waves, echo, SONAR, and ultrasonics.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 6 Long Answer Questions — Nuclear Physics with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 6 Nuclear Physics with detailed answers covering radioactivity, fission, fusion, and nuclear reactors.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 7 Long Answer Questions — Atoms and Molecules with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 7 Atoms and Molecules with detailed answers covering atomic theory, mole concept, and chemical laws.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 8 Long Answer Questions — Periodic Classification of Elements with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 8 Periodic Classification with detailed answers covering Mendeleev's table, modern periodic table, and periodic trends.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 9 Long Answer Questions — Solutions with Answers
Long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 9 Solutions with detailed answers covering types of solutions, concentration, osmosis, and colligative properties.
25 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 1 Long Answer Questions — Laws of Motion
All long answer questions (5 marks) from Samacheer Kalvi Class 10 Science Chapter 1 Laws of Motion with complete detailed answers and diagrams described.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 1 MCQ — Laws of Motion with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 1 Laws of Motion with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 1 Numerical Problems — Laws of Motion with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 1 Laws of Motion with step-by-step solutions. Covers momentum, impulse, Newton's Second Law, and centripetal force.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 1 Short Answer Questions — Laws of Motion
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 1 Laws of Motion with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 10 MCQ — Types of Chemical Reactions with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 10 Types of Chemical Reactions with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 10 Short Answer Questions — Types of Chemical Reactions
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 10 Types of Chemical Reactions with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 11 MCQ — Carbon and its Compounds with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 11 Carbon and its Compounds with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 11 Short Answer Questions — Carbon and its Compounds
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 11 Carbon and its Compounds with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 12 MCQ — Plant Anatomy and Plant Physiology with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 12 Plant Anatomy and Plant Physiology with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 12 Short Answer Questions — Plant Anatomy and Plant Physiology
All short answer questions from Samacheer Kalvi Class 10 Science Chapter 12 Plant Anatomy and Plant Physiology with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 13 MCQ — Structural Organisation of Animals with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 13 Structural Organisation of Animals with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 13 Short Answer Questions — Structural Organisation of Animals with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 13 Structural Organisation of Animals with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 14 MCQ — Transportation in Plants and Circulation in Animals with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 14 Transportation in Plants and Circulation in Animals with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 14 Short Answer Questions — Transportation in Plants and Circulation in Animals with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 14 Transportation and Circulation with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 15 MCQ — Nervous System with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 15 Nervous System with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 15 Short Answer Questions — Nervous System with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 15 Nervous System with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 16 MCQ — Reproduction in Plants and Animals with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 16 Reproduction in Plants and Animals with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 16 Short Answer Questions — Reproduction with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 16 Reproduction with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 17 MCQ — Heredity with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 17 Heredity with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 17 Short Answer Questions — Heredity with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 17 Heredity with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 18 MCQ — Origin and Evolution of Life with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 18 Origin and Evolution of Life with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 18 Short Answer Questions — Evolution with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 18 Evolution with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 19 MCQ — Health and Diseases with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 19 Health and Diseases with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 19 Short Answer Questions — Health and Diseases with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 19 Health and Diseases with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 2 MCQ — Optics with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 2 Optics with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 2 Numerical Problems — Optics with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 2 Optics with step-by-step solutions. Covers refractive index, lens formula, power of lens, and magnification.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 2 Short Answer Questions — Optics
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 2 Optics with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 20 MCQ — Environmental Management with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 20 Environmental Management with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 20 Short Answer Questions — Environmental Management with Answers
Short answer questions from Samacheer Kalvi Class 10 Science Chapter 20 Environmental Management with detailed answers for 2 and 3 mark questions.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 21 MCQ — Breeding and Biotechnology with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 21 Breeding and Biotechnology with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 22 MCQ — Visual Communication with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 22 Visual Communication with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 3 MCQ — Thermal Physics with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 3 Thermal Physics with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 3 Numerical Problems — Thermal Physics with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 3 Thermal Physics with step-by-step solutions. Covers specific heat capacity, latent heat, and gas laws.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 3 Short Answer Questions — Thermal Physics
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 3 Thermal Physics with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 4 MCQ — Electricity with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 4 Electricity with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 4 Numerical Problems — Electricity with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 4 Electricity with step-by-step solutions. Covers Ohm's Law, resistance, power, Joule heating, and circuit problems.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 4 Short Answer Questions — Electricity
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 4 Electricity with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 5 MCQ — Acoustics with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 5 Acoustics with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 5 Numerical Problems — Acoustics with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 5 Acoustics with step-by-step solutions. Covers speed of sound, echo, SONAR, frequency, and wavelength.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 5 Short Answer Questions — Acoustics
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 5 Acoustics with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 6 MCQ — Nuclear Physics with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 6 Nuclear Physics with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 6 Numerical Problems — Nuclear Physics with Solutions
Numerical problems from Samacheer Kalvi Class 10 Science Chapter 6 Nuclear Physics with step-by-step solutions. Covers half-life calculations and radioactive decay.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 6 Short Answer Questions — Nuclear Physics
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 6 Nuclear Physics with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 7 MCQ — Atoms and Molecules with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 7 Atoms and Molecules with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 7 Numerical Problems — Atoms and Molecules with Solutions
All numerical problems from Samacheer Kalvi Class 10 Science Chapter 7 Atoms and Molecules with step-by-step solutions. Covers mole concept, Avogadro's number, molar mass, and percentage composition.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 7 Short Answer Questions — Atoms and Molecules
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 7 Atoms and Molecules with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 8 MCQ — Periodic Classification of Elements with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 8 Periodic Classification of Elements with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 8 Short Answer Questions — Periodic Classification of Elements
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 8 Periodic Classification of Elements with complete answers.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 9 MCQ — Solutions with Answers
All multiple choice questions from Samacheer Kalvi Class 10 Science Chapter 9 Solutions with correct answers and detailed explanations.
24 May 2026
exercise-solutions
Samacheer Kalvi 10th Science Chapter 9 Short Answer Questions — Solutions
All short answer questions (2 and 3 marks) from Samacheer Kalvi Class 10 Science Chapter 9 Solutions with complete answers.
24 May 2026
subject-guide
Tamil Nadu Class 10 Science Complete Guide — Samacheer Kalvi
Complete Tamil Nadu Class 10 Science guide with syllabus roadmap, chapter plan, textbook solutions approach, important questions, model paper practice, and revision tips.
9 May 2026
revision-plan
Tamil Nadu Class 10 Science 30-Day Revision Plan
Samacheer Kalvi Class 10 Science 30-day revision plan covering Physics, Chemistry, Biology, Visual Communication, question bank practice, model papers, diagrams, and final exam readiness.
9 May 2026
question-bank
Tamil Nadu Class 10 Science Biology Unit Test
Samacheer Kalvi Class 10 Science Biology unit test covering plant physiology, animal tissues, circulation, nervous system, hormones, reproduction, heredity, evolution, health, and environment.
9 May 2026
question-bank
Tamil Nadu Class 10 Science Chemistry Unit Test
Samacheer Kalvi Class 10 Science Chemistry unit test covering Atoms and Molecules, Periodic Classification, Solutions, Chemical Reactions, and Carbon Compounds.
9 May 2026
model-paper
Tamil Nadu Class 10 Science Model Paper 1
Samacheer Kalvi Class 10 Science model paper with balanced Physics, Chemistry, Biology, Visual Communication sections, time plan, answer strategy, and self-check rubric.
9 May 2026
model-paper
Tamil Nadu Class 10 Science Model Paper 2
Second Samacheer Kalvi Class 10 Science model paper with mixed Physics, Chemistry, Biology, and Visual Communication questions for public exam practice.
9 May 2026
question-bank
Tamil Nadu Class 10 Science Physics Unit Test
Samacheer Kalvi Class 10 Science Physics unit test covering Laws of Motion, Optics, Thermal Physics, Electricity, Acoustics, and Nuclear Physics with marks plan and revision checklist.
9 May 2026
question-bank
Tamil Nadu Class 10 Science Question Bank
Samacheer Kalvi Class 10 Science question bank with one-mark, two-mark, five-mark, diagram, equation, numerical, and revision questions across Physics, Chemistry, Biology, and Visual Communication.
9 May 2026
textbook-solutions
Tamil Nadu Class 10 Science Textbook Solutions Map
Samacheer Kalvi Class 10 Science textbook solutions map showing how to solve exercises chapter by chapter with answer formats, diagrams, equations, numerical steps, and revision tracking.
9 May 2026