CBSE Class Notes Online – Classnotes123
CBSE Class Notes, Worksheets, Question Answers, Diagrams , Definitions , Diffrence between , Maths Concepts, Science Facts Online – Classnotes123
Access complete study material for Class 9 Science Chapter 1: Matter in Our Surroundings, as per the latest NCERT syllabus. The content includes detailed notes, concept explanations, solved and unsolved worksheets, MCQs, assertion-reason questions, case-based questions, and structured Q&A for thorough understanding and revision.
The chapter introduces the concept of matter and its physical nature. It explains the particulate nature of matter, including properties like particle size, movement, spacing, and forces of attraction. The chapter details the three physical states—solid, liquid, and gas—and how matter can change states with variations in temperature and pressure. Key processes such as sublimation, evaporation, condensation, and diffusion are discussed along with the concepts of latent heat and the effect of surface area, wind, and humidity on evaporation.
Concept notes and topic-wise summaries
Solved and unsolved worksheets
Multiple Choice Questions (MCQs)
Short and long answer questions
Assertion-reason and case-based questions
Key definitions, formulas, and temperature conversions
Activity-based learning references from the NCERT book
Ideal for CBSE Class 9 students, teachers creating assignments, and parents assisting in exam preparation.
Observe how ice melts into water and water boils into steam. Understand state changes like fusion and vaporization through this simple activity.
Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.12: Heating and Observing the Melting of Ice and Boiling of Water Read MoreObserve the space between particles by dissolving sugar or salt in water. This activity shows how particles of one substance fit into the spaces between particles of another.
Class 9 Science- Chapter 1- Matter In Our Surroundings – Activity 1.1: Demonstrating Particles of Matter Have Space Between Them Read MoreWhat is Matter? Matter is anything around us that has the following properties: It occupies space. It has mass (can be weighed). Matter can be found in different forms like …
Chapter 1 -MATTER IN OUR SURROUNDINGS -Class 9 – Simplified notes Read More