Study Science one chapter at a time with NCERT-aligned notes, sample questions and quick-revision points.
Science is part of the CBSE Class 9 syllabus. CBSERevision covers it chapter by chapter across 13 chapters. Each chapter page explains the NCERT chapter in student-friendly language, lists the key points to revise, and includes sample MCQs and questions with answers.
Open a chapter for notes, key points, sample questions and FAQs.
Welcome to Class 9 Science! This chapter introduces you to the exciting world of secondary science, focusing on exploration and discovery.
Read chapter notes →This chapter explores the fascinating world of cells, the basic units of life.
Read chapter notes →This chapter explores the fascinating world of tissues, the building blocks of multicellular organisms.
Read chapter notes →This chapter explores the fascinating world of motion, helping you understand how objects move and change position over time.
Read chapter notes →In this chapter, you will learn about mixtures and their classification into homogeneous and heterogeneous types.
Read chapter notes →In this chapter, you will learn how forces influence the motion of objects. Forces can cause objects to start moving, stop, change direction, or alter their speed.
Read chapter notes →This chapter explores the fundamental concepts of work, energy, and simple machines.
Read chapter notes →This chapter takes you on a fascinating journey into the heart of matter, exploring the structure of atoms.
Read chapter notes →This chapter explores the fundamental concepts of atoms and molecules, which are the building blocks of matter.
Read chapter notes →Sound is a fundamental part of our daily lives, helping us communicate, perceive our surroundings, and enjoy music.
Read chapter notes →This chapter explores the fascinating process of reproduction, a fundamental characteristic of all living organisms.
Read chapter notes →This chapter explores the incredible variety of life on Earth, from microscopic organisms to giant trees, and how scientists classify and study this diversity.
Read chapter notes →This chapter explores how Earth functions as an interconnected system of spheres—geosphere, hydrosphere, cryosphere, atmosphere, and biosphere.
Read chapter notes →Yes — you can register and start studying Class 9 Science notes and quizzes for free. Premium plans unlock unlimited quizzes, mock tests and more.
Every chapter page is written from the NCERT textbook chapter, so what you study matches what is taught in school.
It is organised chapter by chapter into 13 chapters. Each chapter page gives a summary, key points for quick revision, sample MCQs and questions with answers, and frequently asked questions.
Each chapter page shows sample MCQs and questions with answers you can reveal. Creating a free account unlocks the full quiz, flashcards and practice sets for the chapter.
Notes, topic quizzes, flashcards and an AI doubt solver for every chapter. Free to start.
Create your free account