TN State Board · Class 7
Science Complete Guide
Syllabus, official resources, chapter guides, textbook solutions, question bank, model papers, revision plan, exam tips, and FAQs.
Chapters
19
Published Guides
50
Chapter Guides
19/19
Practice Resources
10
📝 Textbook Exercise Solutions — Chapter-wise
MCQ, short answers, long answers, and numericals with full worked solutions
Syllabus and Official Resources
Official-first3 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
- Term 1: Measurement, Force and Motion, Matter Around Us, Atomic Structure, Reproduction and Modification in Plants, Health and Hygiene, and Visual Communication.
- Term 2: Heat and Temperature, Electricity, Changes Around Us, Cell Biology, Basis of Classification, and Digital Painting.
- Term 3: Light, Universe and Space, Polymer Chemistry, Chemistry in Daily Life, Animals in Daily Life, and Visual Communication.
Official Books
Use official Tamil Nadu textbook resources first, then study with KalviGavani chapter guides.
Open TN Textbook SourceChapter Dashboard
19/19 chapter guides published
Term 1 · Chapter 1
Measurement
Term 1 · Chapter 2
Force and Motion
Term 1 · Chapter 3
Matter Around Us
Term 1 · Chapter 4
Atomic Structure
Term 1 · Chapter 5
Reproduction and Modification in Plants
Term 1 · Chapter 6
Health and Hygiene
Term 1 · Chapter 7
Visual Communication
Term 2 · Chapter 8
Heat and Temperature
Term 2 · Chapter 9
Electricity
Term 2 · Chapter 10
Changes Around Us
Term 2 · Chapter 11
Cell Biology
Term 2 · Chapter 12
Basis of Classification
Term 2 · Chapter 13
Digital Painting
Term 3 · Chapter 14
Light
Term 3 · Chapter 15
Universe and Space
Term 3 · Chapter 16
Polymer Chemistry
Term 3 · Chapter 17
Chemistry in Daily Life
Term 3 · Chapter 18
Animals in Daily Life
Term 3 · Chapter 19
Visual Communication
Question Bank
- Definitions, units, and examples
- Diagram labelling and activity observations
- Formula and application questions
- Difference-between questions
- Computer and visual communication terms
Model Papers
- After each unit, solve a short unit test.
- After every major section, revise mistakes before moving to the next unit.
- In the final month, write one full subject model paper every week.
- Use the last revision cycle only for weak topics, formulae, diagrams, grammar rules, maps, or key terms.
Revision Plan
- Week 1: Read the official textbook and mark glossary, formulae, dates, rules, and diagrams.
- Week 2: Complete textbook exercises and correct repeated mistakes.
- Week 3: Practise important questions, unit tests, diagrams, maps, grammar, and writing formats.
- Week 4: Write model papers and revise only the mistake notebook.
Published Chapter Guides
chapter-guide
Tamil Nadu Class 7 Science: Animals in Daily Life
Samacheer Kalvi Class 7 Science Animals in Daily Life guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Atomic Structure
Samacheer Kalvi Class 7 Science Atomic Structure guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Basis of Classification
Samacheer Kalvi Class 7 Science Basis of Classification guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Cell Biology
Samacheer Kalvi Class 7 Science Cell Biology guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Changes Around Us
Samacheer Kalvi Class 7 Science Changes Around Us guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Chemistry in Daily Life
Samacheer Kalvi Class 7 Science Chemistry in Daily Life guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Digital Painting
Samacheer Kalvi Class 7 Science Digital Painting guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Electricity
Samacheer Kalvi Class 7 Science Electricity guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Force and Motion
Samacheer Kalvi Class 7 Science Force and Motion guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Health and Hygiene
Samacheer Kalvi Class 7 Science Health and Hygiene guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Heat and Temperature
Samacheer Kalvi Class 7 Science Heat and Temperature guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Light
Samacheer Kalvi Class 7 Science Light guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Matter Around Us
Samacheer Kalvi Class 7 Science Matter Around Us guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Measurement
Samacheer Kalvi Class 7 Science Measurement guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Polymer Chemistry
Samacheer Kalvi Class 7 Science Polymer Chemistry guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Reproduction and Modification in Plants
Samacheer Kalvi Class 7 Science Reproduction and Modification in Plants guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Visual Communication
Samacheer Kalvi Class 7 Science Visual Communication guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Visual Communication
Samacheer Kalvi Class 7 Science Visual Communication guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
chapter-guide
Tamil Nadu Class 7 Science: Universe and Space
Samacheer Kalvi Class 7 Science Universe and Space guide with summary, textbook workflow, important questions, practice tasks, common mistakes, and revision checklist.
10 May 2026
Exercise Solutions
Chapter-wise textbook answers with a quick path back to notes.
Air Exercise Solutions
TN Class 7 Science Air exercise solutions — atmosphere composition oxygen nitrogen CO2, MCQ and detailed answers.
12 June 2026
Animals in Daily Life
TN Class 7 Science Animals in Daily Life exercise solutions — animal products poultry farming aquaculture, MCQ and detailed answers.
12 June 2026
Atomic Structure
TN Class 7 Science Atomic Structure exercise solutions — atoms protons neutrons electrons valency, MCQ and detailed answers.
12 June 2026
Basis of Classification
TN Class 7 Science Basis of Classification exercise solutions — classification taxonomy binomial nomenclature, MCQ and detailed answers.
12 June 2026
Cell Biology
TN Class 7 Science Cell Biology exercise solutions — cell organelles nucleus mitochondria, plant animal cell division, MCQ and detailed answers.
12 June 2026
Changes Around Us
TN Class 7 Science Changes Around Us exercise solutions — physical chemical changes rusting crystallization, MCQ and detailed answers.
12 June 2026
Chemistry in Daily Life
TN Class 7 Science Chemistry in Daily Life exercise solutions — soaps detergents medicines combustion, MCQ and detailed answers.
12 June 2026
Digital Painting
TN Class 7 Science Digital Painting exercise solutions — Tux Paint tools colours shapes, MCQ and detailed answers.
12 June 2026
Electricity
TN Class 7 Science Electricity exercise solutions — electric circuit battery conductor insulator, MCQ and detailed answers.
12 June 2026
Force and Motion
TN Class 7 Science Force and Motion exercise solutions — Newton's laws, inertia, friction, momentum, MCQ and detailed answers.
12 June 2026
Health and Hygiene
TN Class 7 Science Health and Hygiene exercise solutions — diseases immunity deficiency AIDS, MCQ and detailed answers.
12 June 2026
Heat and Temperature
TN Class 7 Science Heat and Temperature exercise solutions — conduction convection radiation thermometer, MCQ and detailed answers.
12 June 2026
Light
TN Class 7 Science Light exercise solutions — reflection refraction mirror lens dispersion, MCQ and detailed answers.
12 June 2026
Matter Around Us
TN Class 7 Science Matter Around Us exercise solutions — elements compounds mixtures, atoms molecules, MCQ and detailed answers.
12 June 2026
Measurement
TN Class 7 Science Measurement exercise solutions — SI units, physical quantities, temperature, density, MCQ and detailed answers.
12 June 2026
Polymer Chemistry
TN Class 7 Science Polymer Chemistry exercise solutions — natural synthetic polymers plastics rubber, MCQ and detailed answers.
12 June 2026
Reproduction and Modification in Plants
TN Class 7 Science Reproduction and Modification in Plants exercise solutions — sexual asexual reproduction pollination vegetative propagation root stem leaf modifications, MCQ and detailed answers.
12 June 2026
Visual Communication
TN Class 7 Science Visual Communication exercise solutions — raster vector graphics photoshop photostory, MCQ and detailed answers.
12 June 2026
Visual Communication
TN Class 7 Science Term 3 Visual Communication exercise solutions — LibreOffice Writer document formatting, MCQ and detailed answers.
12 June 2026
Universe and Space
TN Class 7 Science Universe and Space exercise solutions — solar system stars constellations satellites, MCQ and detailed answers.
12 June 2026
Practice Resources
revision-plan
Tamil Nadu Class 7 Science 30-Day Revision Plan — Samacheer Kalvi
Class 7 Science 30-day revision plan for Tamil Nadu State Board students with weekly revision cycles, term-wise planning, model-paper practice, and mistake correction.
10 May 2026
drill-practice
Tamil Nadu Class 7 Science Science Diagram and Activity Bank — Samacheer Kalvi
Class 7 Science science diagram and activity bank for Tamil Nadu State Board students with labelled diagrams, activity observations, experiments, and daily-life examples.
10 May 2026
question-bank
Tamil Nadu Class 7 Science Science Key Terms Bank — Samacheer Kalvi
Class 7 Science science key terms bank for Tamil Nadu State Board students with definitions, units, examples, computer terms, and quick oral revision.
10 May 2026
model-paper
Tamil Nadu Class 7 Science Model Paper 1 — Samacheer Kalvi
Class 7 Science model paper 1 for Tamil Nadu State Board students with term-wise sections, written answer practice, and time management.
10 May 2026
model-paper
Tamil Nadu Class 7 Science Model Paper 2 — Samacheer Kalvi
Class 7 Science model paper 2 for Tamil Nadu State Board students with term-wise sections, written answer practice, and time management.
10 May 2026
question-bank
Tamil Nadu Class 7 Science Question Bank — Samacheer Kalvi
Class 7 Science question bank for Tamil Nadu State Board students with chapter-wise one-mark, short-answer, long-answer, and term revision practice.
10 May 2026
unit-test
Tamil Nadu Class 7 Science Term 1 Unit Test — Samacheer Kalvi
Class 7 Science term 1 unit test for Tamil Nadu State Board students with term-wise chapter checks, short tests, and correction checklist.
10 May 2026
unit-test
Tamil Nadu Class 7 Science Term 2 Unit Test — Samacheer Kalvi
Class 7 Science term 2 unit test for Tamil Nadu State Board students with term-wise chapter checks, short tests, and correction checklist.
10 May 2026
unit-test
Tamil Nadu Class 7 Science Term 3 Unit Test — Samacheer Kalvi
Class 7 Science term 3 unit test for Tamil Nadu State Board students with term-wise chapter checks, short tests, and correction checklist.
10 May 2026
textbook-solutions
Tamil Nadu Class 7 Science Science Textbook Solutions Map — Samacheer Kalvi
Class 7 Science science textbook solutions map for Tamil Nadu State Board students with chapter-wise textbook exercise workflow and diagram practice.
10 May 2026
