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6. CHANGES AROUND US-Exercise (NCERT Text Book) Science Class 6 In English
Last Updated : 06 March 2026
Explore science Solutions for Class 6 Chapter 6. CHANGES AROUND US Topic Exercise (NCERT Text Book) in English medium.
6. CHANGES AROUND US-Exercise (NCERT Text Book) Science Class 6 In English
Last Updated : 06 March 2026
6. CHANGES AROUND US-Exercise (NCERT Text Book) Science Class 6 In English
6. CHANGES AROUND US
Exercise (NCERT Text Book)
Exercise Question:
Que1: To walk through a waterlogged area, you usually shorten the length of your dress byb folding it. Can this change be reversed?
Ans: yes, by unfolding the dress this change can be reversed.
Que2: You accidentally dropped your favourite toy and broke it. this is a change you did not want. Can this change be reversed?
Ans: No, it cannot be reversed, so it is an irreversible change.
Que3: Some change are listed in the following tables. For each change, write in the blank column, whether the change can be reversed or not.
S.No. Change Can be reversed (Yes/No)
- The sawing of piece of wood
- The melting of ice candly
- Dissolving sugar in water
- The cooking of food
- The ripening of a mango
- Souring of milk
Ans:
S.No. Change Can be reversed (Yes/No)
- The sawing of piece of wood No
- The melting of ice candly Yes
- Dissolving sugar in water Yes
- The cooking of food No
- The ripening of a mango No
- Souring of milk No
Que4: A drawing sheet changes when you draw a picture onit. Can you reverse this changed?
Ans: It is all depands on situations:
- By erasing the drawing we can undo the change. for example, if we draw with the help of pencil, we can erase the drawing by using an eraser. Then, it is a reversible change.
- If we draw using a pen, we cannot erase the drawing. Then this changed cannot be reversed, so it is irreversible change.
Que5: Give example to examples the difference between changed that can or cannot be reversed.
Ans:
Examples of Reversible changes:
- Melting of Ice into water. By freeing the water we can obtain ice again.
- Folding a paper: By unfolding it, we can undo the change.
- Hot milk to cold milk: By Boiling milk, we can make it warm.
Example of Irreversible changes:
- Buring of candle.
- Bursting of crackers.
- Cutting of trees.
Que6: A thick coating of a paste of plaster pf paris(POP) is applied over the bandage on a fractured bone. it becomes hard on dying to keep the fractured bone immobilised. Can the change in POP be reversed?
Ans: When water is added to POP, it undergoes a chemical changes. its composition changes and is converted into another substance. since it is a chemical change, so it cannot be reversed?
Que7: A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement. could be reversed?
Ans: Dueto water, cement hardens ans its composition changes. since it is a chemical change which canot be reversed.
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NCERT Solutions for Class 6 science Chapter 6. CHANGES AROUND US Topic Exercise (NCERT Text Book)
NCERT Solutions for Class 6 science Chapter 6. CHANGES AROUND US Topic Exercise (NCERT Text Book) are prepared to help students understand important concepts of the chapter in a simple and clear manner. These solutions are based on the latest CBSE syllabus and follow the official NCERT textbooks. Students who are searching for accurate answers and step-by-step explanations can use these solutions to improve their learning and prepare better for school exams as well as board examinations.
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About Chapter 6. CHANGES AROUND US of Class 6 science
Chapter 6. CHANGES AROUND US is an important part of the Class 6 science syllabus. This chapter explains several key concepts which are essential for understanding the subject in detail. Students often face difficulties while solving textbook questions related to this chapter. That is why NCERT Solutions for Chapter 6. CHANGES AROUND US are provided to explain every concept in a simple and structured way.
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6. CHANGES AROUND US-Exercise (NCERT Text Book) Science Class 6 In English
Hindi Medium Students/Teachers/Tutors:
All Chapters science Class 6
Class Wise NCERT Solutions
Students can find NCERT Solutions for Class 6, Class 7, Class 8, Class 9, Class 10, Class 11, and Class 12 on this page. Each class includes detailed solutions for important subjects such as Science, Mathematics, Social Science, English, and Hindi. These solutions are carefully prepared to ensure accuracy and clarity.
- NCERT Solutions for Classes 6 to 8 – Ideal for building strong basic concepts.
- NCERT Solutions for Classes 9 and 10 – Helpful for board exam preparation.
- NCERT Solutions for Classes 11 and 12 – Important for advanced concepts and competitive exams.
6. CHANGES AROUND US-Exercise (NCERT Text Book) Science Class 6 In English Study Materials For Class 6 to 12
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