Changes Around Us NCERT Solutions for Class 6 Science

Subject-matter experts at SimplyAcad have meticulously crafted the NCERT Solutions for Class 6 Science Chapter 6: Changes Around Us. These solutions not only cover the chapter’s key concepts but also help students understand them in depth. With these solutions, students can confidently tackle all the exercise questions in their textbooks and prepare detailed notes for better understanding. Furthermore, these solutions act as an excellent resource for quick revisions before exams, ensuring that students are well-prepared and clear on all concepts.

The NCERT Solutions for Class 6 Science actively support your exam preparation and help clear any doubts, which is crucial for success in higher classes. Available in PDF format for easy access and download, these solutions are among the best resources for strengthening your skills and knowledge. They cover all key study topics, helping you score well in exams

NCERT Solutions for Class 6 Changes Around Us Exercise Questions

Question 1:

To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?

Solution:
Yes, by simply unfolding the dress.

Question 2:

You accidentally dropped your favourite toy and broke it. This is a change you did not want. Can this change be reversed?

Solution:
No, once broken, it cannot be restored.

Question 3:

Some changes are listed in the following table. For each change, write in the blank column whether the change can be reversed or not.

Sl. No.	Change	Can Be Reversed (Yes/No)
1	The sawing of a piece of wood	No
2	The melting of ice candy	Yes
3	Dissolving sugar in water	Yes
4	The cooking of food	No
5	The ripening of a mango	No
6	Souring of milk	No

Solution:

• Sawing wood: No
• Melting ice candy: Yes
• Dissolving sugar: Yes
• Cooking food: No
• Ripening mango: No
• Souring milk: No

Question 4:

A drawing sheet changes when you draw a picture on it. Can you reverse this change?

Solution:
Yes, if drawn with a pencil. No, if done with permanent materials.

Question 5:

Give examples to explain the difference between changes that can or cannot be reversed.

Solution:

• Reversible:
  1. Opening/closing a door
  2. Filling/emptying a glass
• Irreversible:
  1. Milk turning into curd
  2. Fruit ripening

Question 6:

A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?

Solution:
No, hardened POP cannot be reversed.

Question 7:

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?

Solution:
No, once cement hardens, it cannot be reversed.

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Important Topics Covered in NCERT Solutions for Class 6 Science Chapter 6: Changes Around Us

• Can all changes be reversed?
• Ways to bring about changes

Common changes: Evaporation, Expansion, Contraction, MeltingSimplyAcad is a leading online education provider with expert teachers on board. We offer resources such as NCERT notes, sample papers, previous years’ question papers, textbooks, and more for all classes and subjects according to the CBSE syllabus. For a complete learning experience, download the SimplyAcad app.

Frequently Asked Questions on NCERT Solutions for Class 6 Science Chapter 6

Q1: Can you give examples to explain the difference between changes that can or cannot be reversed?

• Reversible changes:
  i) Opening and closing a door
  ii) Filling a glass with water
• Irreversible changes:
  i) Turning milk into curd
  ii) Ripening of fruit

Q2: What does Chapter 6 of NCERT Solutions for Class 6 Science cover?

Chapter 6 explains reversible and irreversible changes in our surroundings. It also explores how changes can occur through heating or mixing substances. The chapter includes real-life examples and demonstrations to make learning interesting and easy.

Q3: What topics are covered in Chapter 6 of NCERT Solutions for Class 6 Science?

The topics covered include:

• • Can all changes always be reversed?
  • Other ways to bring about change
  • Common types of changes
  • Evaporation
  • Expansion
  • Contraction
  • Melting