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Welcome to Class 9 Science! In the very first chapter, "Matter in Our Surroundings," we explore a fundamental question: what makes up the universe around us? Everything you can touch, see, or feel—from the water you drink to the air you breathe—is made of matter. The physical nature of matter dictates that it is not a single continuous block, but rather particulate, meaning it is entirely composed of microscopic particles (atoms and molecules). Understanding how these invisible particles behave gives us profound insight into the different physical states matter can take in our daily lives.
The behavior of these tiny particles is governed by three core principles: they have space between them, they are in continuous motion (possessing kinetic energy), and they exert an intermolecular force of attraction on each other. Depending on the strength of these forces, matter exists primarily in three states: Solid, Liquid, and Gas. In solids, particles are tightly packed with maximum attractive forces, resulting in a fixed shape and volume. In liquids, the intermolecular forces are moderate, allowing particles to slide past one another; this gives liquids a fixed volume but no fixed shape. In gases, the particles possess high kinetic energy and experience negligible attractive forces, causing them to spread out rapidly and take both the shape and volume of any container.
The diagram above provides a clear microscopic view of these three foundational states of matter. On the left, the solid state illustrates particles arranged in a strict, orderly lattice with minimal space between them, explaining why solids cannot be easily compressed. In the middle, the liquid state shows particles that are still close together but distinctly disorganized, illustrating their ability to flow and conform to the shape of the container. On the right, the gaseous state displays particles scattered widely apart with dynamic movement arrows, highlighting their high kinetic energy. In your school exams, you will frequently be asked to draw these exact particle arrangements or differentiate between solids, liquids, and gases based on physical properties such as compressibility, rigidity, and density.
Grasping the microscopic behavior of matter is your first major stepping stone to mastering high school Chemistry. If you find visualizing particle models, calculating kinetic energies, or understanding intermolecular forces challenging, personalized guidance can make a world of difference. Connect with experienced, verified Class 9 Science tutors on the UrbanPro platform today. Whether you prefer interactive online sessions or local offline tuition, UrbanPro is the ideal place to find dedicated educators who can simplify complex scientific concepts and help you score top marks in your CBSE board exams.
Other Concepts in Matter in Our Surroundings
- Characteristics of particles of matter
- Effect of temperature and pressure
- Evaporation and its factors
- Interconversion of states of matter
- States of matter: solid, liquid, gas
Other Concept Videos for Physical nature and states of matter
Matter Unmasked: Tiny Particles, Big Impact
CBSE - Class 9>Science>Matter in Our Surroundings>Physical nature and states of matter
Top Tutors who teach Physical nature and states of matter
Top Tutor 
MSR nagar mathikere, Bangalore 
26 students 
5545 hrs of classes completed 
475 per hour 
Online Classes I enjoy teaching children and helping them understand the basics. I love to see them grow and become passionate towards their studies.
I attended a demo class with anjali mam, it was very easy to understand the concepts. I hope to study in her class in the future. Thank you mam.
Top Tutor Sector 43, Gurgaon 1000 per hour Online Classes 
Student's Home Experienced Mathematics and Science Educator | 10+ Years in Teaching and Coaching I have over a decade of experience in teaching and coaching students in Mathematics and Science. I have worked as a PGT Mathematics teacher at GBL Convent School, and have also taught Classes 9 and 10 (Maths & Science) at R.S. Education Hub. My teaching approach focuses on building strong conceptual clarity, personalized attention, and result-oriented strategies to help students excel academically. I have successfully guided numerous students through school exams, board exams, and foundational competitive preparation.
Top Tutor T Nagar, Chennai 5 students 1111 hrs of classes completed 500 per hour Online Classes BDS Graduate from Government Dental College, Chennai | CBSE Class 10 Science & Maths | Class 11-12 Biology & Chemistry | NEET Biology & Chemistry Mentor About Me I am a BDS graduate from Government Dental College, Chennai, with a strong academic foundation in Biology, Chemistry and the life sciences. My passion for teaching led me to become a full-time online educator, helping students build confidence through conceptual learning rather than rote memorization. My teaching approach is designed to help students understand concepts from the basics and gradually progress to exam-level application. Every class is interactive, student-friendly and tailored to the learner's pace. What students can expect ✔ Strong conceptual understanding from fundamentals ✔ NCERT-focused teaching for Boards and NEET ✔ Step-by-step explanation of difficult topics ✔ Previous Year Questions and exam-oriented practice ✔ Regular MCQs, assignments and chapter-wise tests ✔ Doubt-solving sessions and revision classes ✔ Personalized study plans based on each student's strengths and weaknesses ✔ Time management and exam strategy guidance Why learn with me? Being a healthcare professional has given me an in-depth understanding of Biology and Chemistry, enabling me to explain even complex topics in a simple, logical and relatable manner. I have successfully guided students in improving their conceptual understanding, academic confidence and examination performance. My objective is not just to help students score high marks but also to develop genuine interest and long-term understanding of the subject. I believe every student can excel with the right guidance, structured learning and regular practice. My classes are supportive, interactive and result-oriented, ensuring students gain both knowledge and confidence. Subjects 🔷️Class 10 (CBSE & State Board): ▪️Science ▪️Mathematics 🔷️Class 11 & 12 (CBSE): ▪️Biology ▪️Chemistry 🔷️NEET Preparation: ▪️Biology ▪️Chemistry 🔷️NCERT Line-by-Line Learning MCQ Practice Previous Year Questions Exam Strategy Doubt Solving One suggestion Book a demo class and experience concept-based learning that makes studying easier, smarter and more effective.
Dr.Nandhini was an amazing teacher. I really enjoyed all her classes. She explains everything clearly. and makes the class enjoyable at the same time. I am really grateful for her.
Top Tutor Madhurawada, Visakhapatnam 17 students 4419 hrs of classes completed 300 per hour Online Classes Student's Home 
Tutor's home I mentored several students in science subject related to PHYSICS and CHEMISTRY for class 9 for the last 24 years for CBSE/ICSE/STATE/NIOS.
As per the first class about the direction and displacement understood the concept explained..Sir is very supportive in explaining and make me understand with examples.
Top Tutor Faridabad NIT, Faridabad 1 student 86 hrs of classes completed 200 per hour Online Classes I have more than 08 years of experience in teaching from class VIth to XII th...I am post graduate in Physics . I am also done B.Ed and cleared CTET exam required for teaching profession...I am good at explaining concepts to students with real life examples which makes it easy to learn and understand difficult topics etc. I am result oriented and has track record of getting best out of average performing student in board exams. I am thorough professional and teaching is my passion. Teaching comes very naturally to me , as i have been taking home tuition since i was in college.
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FAQ
What is the meaning of Physical nature and states of matter?
It is a fundamental principle in Matter in Our Surroundings that explains the nature and characteristics of Physical nature and states of matter.
Why is Physical nature and states of matter important for CBSE - Class 9 exams?
This concept is crucial for the exams as questions related to Matter in Our Surroundings and specifically Physical nature and states of matter are very common. It helps secure marks in the section effectively.
Is Physical nature and states of matter part of the latest NCERT syllabus?
Yes, Physical nature and states of matter is an integral part of the CBSE - Class 9 NCERT Science syllabus. It is a key topic covered in the Matter in Our Surroundings chapter.
What are common mistakes students make with Physical nature and states of matter?
Students often miss the minute details or fundamental definitions of Physical nature and states of matter. Regular revision and practice are needed to master the nuances.
How should I approach learning Physical nature and states of matter?
Read the NCERT text thoroughly to grasp the theory. Create summary notes and flowcharts to retain the key points of Physical nature and states of matter.
How can UrbanPro help me understand Physical nature and states of matter better?
UrbanPro connects you with experienced Science tutors who can explain Physical nature and states of matter with simple examples. You also get access to doubt-clearing sessions and mock tests for better preparation.
