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NCERT Solutions for Class 6 Science Chapter 6 Changes Around Us: Solutions for Chapter "Changes Around Us" are part of NCERT Solutions for Class 6 Science . There are many changes, like the trees are growing, the crops are changing with time, leaves are falling from trees, flowers are blooming, etc., that we see around us in our daily lives. Class 6 science chapter 6 question answer covers all major concepts of the chapter. Can all these changes always be reversed? What are the ways to bring changes? Can changes be grouped together? How can you group various changes? You will get questions and answers based on these concepts in the changes around us Class 6 solutions. In this article, you will get NCERT solutions for class 6 science chapter 6 changes around us.
In NCERT Class 6 Science Solutions for Chapter 6 Changes Around Us, you will get the answers to all these questions. First, read this changes around us Class 6 carefully and solve every problem in NCERT on your own. If you are having difficulties answering these questions, you can take the help of NCERT solutions for Class 6 Science Chapter 6 changes around us. Check out NCERT Solutions from Classes 6 to 12 to learn Science and Maths. Students can refer to this link for NCERT Solutions for Class 6.
Answer: Yes, this change can be reversed.
Answer: No, this change cannot be reversed.
S. No. | Change | Can be reversed (Yes/No) |
1. | The sawing of a piece of wood. | |
2. | The melting of ice candy. | |
3. | Dissolving sugar in water. | |
4. | The cooking of food. | |
5. | The ripening of mango. | |
6. | Souring of milk. |
Answer:
S. 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. |
Question: 4 A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Answer: The answer depends on using what kind of material the drawing has been made. If it has been made using a pencil then the drawing might be erasable and the change can be reversed but if the drawing has been made using a pen or marker then the drawing is permanent and it cannot be erased and hence the change cannot be reversed.
Question: 5 Give examples to explain the difference between changes that can or cannot be reversed.
Answer: The following examples explain the differences between changes that can or cannot be reversed.
(a). A ball of clay shaped into a pot can be brought back to its original shape and therefore the change can be reversed. However, if it is baked the pot thus formed cannot be changed back to soft clay and therefore the change cannot be reversed.
(b). Pieces of raw vegetables mixed together can be separated and therefore the change(the mixing) can be reversed but if we cook the vegetables they cannot be brought back to the raw state and therefore the change cannot be reversed.
Answer: On mixing POP with water the POP reacts with water to give a different substance and this change cannot be reversed.
Answer: Once cement mixes with water they both react together and the substance formed hardens and this change cannot be reversed.
Class 6 Science Chapter 6 question answer consists of a total of seven theoretical and yes/no marked questions with answers prepared by experts at Careers360. Students can download solutions for class 6 science chapter in PDF format from the website and refer to them for a better understanding of the chapter. These Solution for Class 6 chapter 6 science are accessible anytime and anywhere, making it convenient for students to use them for exam preparation.
Important topics covered in Chapter 6 Science Class 6 "Changes Around Us" presented in bullet points:
In the NCERT Class 6 Syllabus for Science, there are many examples given which will give you more clarity about this topic.
Example1:- You must have seen the tools which are used to dig the soil. The iron blade in these tools is fixed to the wooden handle. The iron blade has a ring in which the wooden handle is to be fixed. Normally, the ring is slightly smaller in size than the size of the wooden handle. To fix the handle, the ring is heated, so that it expands and it becomes slightly larger in size. Now, the handle can be fit easily into the ring and when the ring cools down it contracts and fits tightly on to the wooden handle.
Example2:- You must have seen a potter working on his wheel. He shapes a lump of clay into a pot. Then he bakes the pot in an oven.
In example 1 you can again heat the ring, which will expand its size and you can remove the wooden handle from the ring. So, it is a reversible change. In example 2 when a potter shapes this clay into the pot which can be reversed but when he bakes pot in the oven it can't be reversed, so after baking it is an irreversible change. It this chapter there are many examples where some of the changes reversible and some are not.
Chapter No. | Chapter Name |
Chapter 1 | Food: Where Does It Come From? |
Chapter 2 | Components of Food |
Chapter 3 | Fibre to Fabric |
Chapter 4 | Sorting Materials into Groups |
Chapter 5 | Separation of Substances |
Chapter 6 | Changes Around Us |
Chapter 7 | Getting to Know Plants |
Chapter 8 | Body Movements |
Chapter 9 | The Living Organisms Characteristics and Habitats |
Chapter 10 | Motion and Measurement of Distances |
Chapter 11 | Light, Shadows, and Reflections |
Chapter 12 | Electricity and Circuits |
Chapter 13 | Fun with Magnets |
Chapter 14 | Water |
Chapter 15 | Air Around Us |
Chapter 16 | Garbage In, Garbage Out |
In a fraction of a second, some changes one thing to another thing, and some changes are slow and some fast for example, the Melting of ice, the Flowering of plants, etc.
There are 7 questions in NCERT solution Class 6 chapter 6 exercise
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