Change is the law of nature. NCERT Grade 7 Science Chapter 6, Physical and Chemical Changes deals with change in the shape, size, structure and composition of matter under the influence of different environmental conditions. In this chapter students shall perform some activities and study the nature of changes. Broadly, these changes are of two kinds, physical and chemical.
Through this chapter, students will learn to answer the reasons behind some changes in the nature of objects. An activity-based topic, NCERT Grade 7 Science Chapter 6, Physical and Chemical Changes discusses changes such as rusting of iron, burning of a magnesium ribbon, copper sulphate reactions and many other marvels of science that amaze the students.An in-depth study of Physical and Chemical Changes helps the students to understand the working of different elements when put under variable conditions. Introduction to new concepts, new technical terms, Project work and demonstrations, make this chapter very creative and colourful. Students get accustomed to new terms and phenomena that shall help them in the future to deal with complex concepts associated to Physical and Chemical Changes.The topic also provides an insight to how the changes in the environment aid to sustain healthy life on earth.
Get 100 percent accurate NCERT Solutions for Class 7 Science Chapter 6 (Physical and Chemical Changes) explained by expert Science teachers. We provide solutions for the questions given in Class 7 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 7 Science. The topics and sub-topics in Chapter 6 Physical and Chemical Changes are given below.
Ex 6.1 - PHYSICAL CHANGES
Ex 6.2 - CHEMICAL CHANGE
Ex 6.3 - RUSTING OF IRON
Ex 6.4 - CRYSTALLISATION.
We cover all questions in the chapter given below:-
Chapter 6 - 12 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Physical and Chemical Changes. Download the free PDF of Chapter 6 Physical and Chemical Changes and take the print out to keep it handy for your exam preparation.
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