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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

View All Solutions →

Subject Roadmap

Mapped

19 Science chapters arranged by unit for Class 7.

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Syllabus and Official Resources

Official-first

3 syllabus focus areas with Tamil Nadu textbook resources as the primary source.

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Chapter Summaries

Live

19 published chapter guides available for Science.

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Textbook Exercise Solutions

Live

Exercise workflow pages are live for answer-writing and correction practice.

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Important Questions

Ready

5 question patterns are listed for one-mark, short-answer, and long-answer practice.

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Model Papers

Live

2 model paper resource pages are published.

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Revision Plan

Live

A Class 7 Science revision plan is available for weekly study cycles.

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Exam Tips

Subject-specific

Exam guidance focuses on science presentation, keywords, time use, and common mistakes.

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FAQs

In guides

FAQs are included inside individual guides so answers stay close to the exact chapter or resource.

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Syllabus 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 Source

Chapter Dashboard

19/19 chapter guides published

Term 1 · Chapter 1

Measurement

Live
Open guide

Term 1 · Chapter 2

Force and Motion

Live
Open guide

Term 1 · Chapter 3

Matter Around Us

Live
Open guide

Term 1 · Chapter 4

Atomic Structure

Live
Open guide

Term 1 · Chapter 5

Reproduction and Modification in Plants

Live
Open guide

Term 1 · Chapter 6

Health and Hygiene

Live
Open guide

Term 1 · Chapter 7

Visual Communication

Live
Open guide

Term 2 · Chapter 8

Heat and Temperature

Live
Open guide

Term 2 · Chapter 9

Electricity

Live
Open guide

Term 2 · Chapter 10

Changes Around Us

Live
Open guide

Term 2 · Chapter 11

Cell Biology

Live
Open guide

Term 2 · Chapter 12

Basis of Classification

Live
Open guide

Term 2 · Chapter 13

Digital Painting

Live
Open guide

Term 3 · Chapter 14

Light

Live
Open guide

Term 3 · Chapter 15

Universe and Space

Live
Open guide

Term 3 · Chapter 16

Polymer Chemistry

Live
Open guide

Term 3 · Chapter 17

Chemistry in Daily Life

Live
Open guide

Term 3 · Chapter 18

Animals in Daily Life

Live
Open guide

Term 3 · Chapter 19

Visual Communication

Live
Open guide

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.

View all solutions →

Air Exercise Solutions

TN Class 7 Science Air exercise solutions — atmosphere composition oxygen nitrogen CO2, MCQ and detailed answers.

12 June 2026

Ch 18

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

Ch 4

Atomic Structure

TN Class 7 Science Atomic Structure exercise solutions — atoms protons neutrons electrons valency, MCQ and detailed answers.

12 June 2026

Ch 12

Basis of Classification

TN Class 7 Science Basis of Classification exercise solutions — classification taxonomy binomial nomenclature, MCQ and detailed answers.

12 June 2026

Ch 11

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

Ch 10

Changes Around Us

TN Class 7 Science Changes Around Us exercise solutions — physical chemical changes rusting crystallization, MCQ and detailed answers.

12 June 2026

Ch 17

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

Ch 13

Digital Painting

TN Class 7 Science Digital Painting exercise solutions — Tux Paint tools colours shapes, MCQ and detailed answers.

12 June 2026

Ch 9

Electricity

TN Class 7 Science Electricity exercise solutions — electric circuit battery conductor insulator, MCQ and detailed answers.

12 June 2026

Ch 2

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

Ch 6

Health and Hygiene

TN Class 7 Science Health and Hygiene exercise solutions — diseases immunity deficiency AIDS, MCQ and detailed answers.

12 June 2026

Ch 8

Heat and Temperature

TN Class 7 Science Heat and Temperature exercise solutions — conduction convection radiation thermometer, MCQ and detailed answers.

12 June 2026

Ch 14

Light

TN Class 7 Science Light exercise solutions — reflection refraction mirror lens dispersion, MCQ and detailed answers.

12 June 2026

Ch 3

Matter Around Us

TN Class 7 Science Matter Around Us exercise solutions — elements compounds mixtures, atoms molecules, MCQ and detailed answers.

12 June 2026

Ch 1

Measurement

TN Class 7 Science Measurement exercise solutions — SI units, physical quantities, temperature, density, MCQ and detailed answers.

12 June 2026

Ch 16

Polymer Chemistry

TN Class 7 Science Polymer Chemistry exercise solutions — natural synthetic polymers plastics rubber, MCQ and detailed answers.

12 June 2026

Ch 5

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

Ch 7

Visual Communication

TN Class 7 Science Visual Communication exercise solutions — raster vector graphics photoshop photostory, MCQ and detailed answers.

12 June 2026

Ch 19

Visual Communication

TN Class 7 Science Term 3 Visual Communication exercise solutions — LibreOffice Writer document formatting, MCQ and detailed answers.

12 June 2026

Ch 15

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