Class 9 Science — NCERT
NCERT is the NCERT-prescribed textbook for Class 9 Science in the CBSE curriculum. It contains 12 chapters covering the complete syllabus. BrainWeave offers free AI-powered solutions for every chapter — ask any question by voice or text, in Hindi or English, and get a personalized step-by-step explanation.
Open AI Tutor for Science →What you'll study in NCERT
Across 12 chapters, Class 9 Science introduces key concepts including Particulate Nature of Matter, Characteristics of Particles: Size, Characteristics of Particles: Interparticle Space, Characteristics of Particles: Continuous Motion & Diffusion, Scientific Definition of Pure Substances and Mixtures, Homogeneous and Heterogeneous Mixtures, Solutions and Their Properties, Concentration of a Solution, Law of Conservation of Mass, Law of Constant Proportions, Dalton's Atomic Theory, The Concept of an Atom, and more. Every chapter below has its own page with a full topic breakdown, practice questions, fun facts, and a free AI tutor that explains each concept in Hindi or English, by voice or text.
All Chapters
Frequently Asked Questions
How many chapters are in Class 9 Science?
NCERT for Class 9 Science has 12 chapters. All are covered by BrainWeave's free AI tutor.
Is BrainWeave's Class 9 Science content free?
Yes. The free Spark plan covers all chapters with daily message limits suitable for homework. Premium features unlock with your own free Gemini API key.
Can I ask Science questions in Hindi?
Yes — both voice and text chat support Hindi, English, and Hinglish.
Are these solutions aligned with the latest CBSE syllabus?
Yes, BrainWeave follows the current NCERT syllabus and is updated as the syllabus changes.