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Karnataka Board Class 9 Science — Formula Sheet

Karnataka Board Class 9 Science formula sheet, chapter by chapter — 15 formulas across 5 chapters. Follows the KSEEB / PUE syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 5 Chapters

4

Structure of the Atom

2 entries
Electrons fill shells in order: K, L, M, N (n = 1, 2, 3, 4)
Maximum electrons: K=2, L=8, M=18, N=32
The full Structure of the Atom formula sheet
6

Gravitation

4 entries
Acceleration due to gravity (g) = 9.8 m/s² near Earth's surface
Pressure is thrust per unit area (P = F/A)
When objects fall under gravity alone, they experience free fall with acceleration g = 9.8 m/s².
Pressure is thrust per unit area (P = F/A).
The full Gravitation formula sheet
8

Work and Energy

3 entries
Work = Force × Displacement (when force and displacement are in same direction)
Work = Force × Displacement (W = F × s).
Formula: KE = ½mv², where m is mass and v is velocity.
The full Work and Energy formula sheet

2 more chapters below

Formula sheets for all 5 chapters with formulas.

Get the Formula Sheets

Get chapter-wise help for Karnataka Board Class 9 Science

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Frequently Asked Questions

Where can I find Karnataka Board Class 9 Science Formula Sheet?

This page has formula sheet for 5 chapters of Karnataka Board Class 9 Science for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

5 chapters

4

Structure of the Atom

6

Gravitation

8

Work and Energy

9

Motion

10

Sound

More Science Resources

Karnataka Board Class 9

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

Understand each chapter at a glance

Flashcards

Quick-fire cards for active recall practice

Syllabus

Chapter list and the topics in each

Other Karnataka Board Class 9 Subjects

Mathematics