Unit I, Matter-Nature and Behaviour, NCERT Grade 9 Chapter 1, Matter in Our Surroundings, depicts the importance of matter based on their physical properties and chemical nature.The solutions given to the questions asked in between the chapter and at the end of the chapter will help the learners to understand the Physical Nature of Matter. The topic Physical Nature of Matter helps the learner to relate the facts about matter in our day-to-day lives. The topic describes that Matter is made up of particles, How small are these particles of matter. This will provide furthermore clarity to learner making them understand about the physical nature of matter.
The mentioned activities and solutions given for the topics Characteristics Of Particles Of Matter Including The Particles Of Matter Have Space Between Them, Particles Of Matter Have Space Between Them, Particles Of Matter Are Continuously Moving, Particles Of Matter Attract Each Other provide clarity about the concepts and helps the learner in further reinforcement of the conceptsStates of Matter including The Solid State, The Liquid State, The Gaseous State will be taught in this chapter. All these topics have been taught with the help of detailed content, interactive activities, and out of the box information making the learning process more interesting and comprehensive. The solutions given herein for the questions asked related to these topics are framed point wise and in simple language to further help the students.
Similarly, as one proceeds further through chapter 1, Matter in Our Surroundings, Can Matter Change its State? including Effect Of Change Of Temperature, Effect Of Change Of Pressure And Evaporation Including Factors Affecting Evaporation And How Does Evaporation Cause Cooling? will be learnt. The solutions to all the practice questions based on these topics will help the student to understand and correlate in a better way. Solutions to practice exercises based on the mentioned concepts are also given in this chapter that will provide a summary of the complete chapter bringing the key ideas into a clear perspective.This chapter is a part of Unit I, Matter-Nature and Behaviour. Unit V holds 23 marks of weightage in the final examination of Grade 9 according to the latest pattern.
Get 100 percent accurate NCERT Solutions for Class 9 Science Chapter 1 (Matter in Our Surroundings) explained by expert Science teachers. We provide solutions for the questions given in Class 9 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 9 Science. The topics and sub-topics in Chapter 1 Matter in Our Surroundings are given below.
Ex 1.1 - Physical Nature of Matter
Ex 1.1.1 - MATTER IS MADE UP OF PARTICLES
Ex 1.1.2 - HOW SMALL ARE THESE PARTICLES OF MATTER?
Ex 1.2 - Characteristics of Particles of Matter
Ex 1.2.1 - PARTICLES OF MATTER HAVE SPACE BETWEEN THEM
Ex 1.2.2 - PARTICLES OF MATTER ARE CONTINUOUSLY MOVING
Ex 1.2.3 - PARTICLES OF MATTER ATTRACT EACH OTHER
Ex 1.3 - States of Matter
Ex 1.3.1 - THE SOLID STATE
Ex 1.3.2 - THE LIQUID STATE
Ex 1.3.3 - THE GASEOUS STATE
Ex 1.4 - Can Matter Change its State?
Ex 1.4.1 - EFFECT OF CHANGE OF TEMPERATURE
Ex 1.4.2 - EFFECT OF CHANGE OF PRESSURE
Ex 1.5 - Evaporation
Ex 1.5.1 - FACTORS AFFECTING EVAPORATION
Ex 1.5.2 - HOW DOES EVAPORATION CAUSE COOLING?
We cover all exercises in the chapter given below:-
EXERCISE 1.1 - 4 Questions with Solutions
EXERCISE 1.2 - 4 Questions with Solutions
EXERCISE 1.3 - 4 Questions with Solutions
EXERCISE 1.4 - 5 Questions with Solutions
EXERCISE 1.5 - 9 Questions with Solutions
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Matter in Our Surroundings. Download the free PDF of Chapter 1 Matter in Our Surroundings and take the print out to keep it handy for your exam preparation.