Definition of matter; solid, liquid and gas; characteristics - shape, volume, density; change of statemelting (absorption of heat), freezing, evaporation (cooling by ...

In Class 9 Science subject, students are introduced to various new topics and concepts to lay the basis for the higher classes. This makes it a little difficult for students to prepare for their ...

To help Class 9 students score high marks in the Annual Exam 2026, we have compiled complete CBSE Class 9 Study Material 2025-26 including syllabus, deleted topics, NCERT books, NCERT solutions, MCQs, ...

NCERT Class 9 Science Book PDF: The National Council of Educational Research and Training (NCERT) has revised the Class 9 Science NCERT Book with the deletion of certain chapters and topics to reduce ...