SEBA Class 6 Science (English Medium) Lesson 3 – “Changes Around Us” Summary & Solutions
Looking for SEBA Class 6 Science (English Medium) Lesson 3 – “Changes Around Us” solutions? At Ospin Academy, we provide detailed NCERT-based textbook answers, multiple-choice questions (MCQs), and a complete chapter summary to help students in Assam prepare for their exams.
📖 Chapter Overview:
Changes happen all around us every day. This chapter helps students understand different types of changes and their impact, with examples from Assam’s daily life.
- Types of Changes: Reversible and irreversible changes
- Physical and Chemical Changes: Understanding their differences
- Examples from Assam: – Seasonal changes in Assam (summer, monsoon, winter) – Cooking of rice – an irreversible change – Melting of wax during Bihu celebrations
- Importance in Daily Life: How changes affect agriculture, environment, and climate
📌 Key Topics Covered:
- ⭐ What is the difference between reversible and irreversible changes?
- ⭐ What are some examples of physical and chemical changes?
- ⭐ How do seasonal changes affect Assam’s environment?
- ⭐ Why is burning of wood an irreversible change?
- ⭐ How do floods in Assam cause environmental changes?
📝 Why Use Our Solutions?
- ✅ Exam-Oriented Solutions: Fully NCERT-aligned answers for Class 6 Science Lesson 3 (Part 2)
- ✅ MCQs & Extra Questions: Prepare better with objective-type questions
- ✅ Concept Clarity: Well-explained answers with examples from Assam to help students relate to real-life applications
- ✅ Quick Revision Notes: Summarized notes for last-minute SEBA exam revision
Start learning SEBA Class 6 Science (English Medium) Lesson 3 – Changes Around Us with Ospin Academy’s step-by-step solutions, specially designed for students in Assam!
Class 6 Science (English Medium) PDF Solutions 2025-26 | SCERT Assam
Download the Class 6 Science SCERT Assam (English Medium) PDF for SEBA Assam students. Get the latest NCERT-based textbook, chapter-wise solutions, MCQs, short and long-answer questions, and important revision notes. This SEBA Class 6 Science Book PDF covers Physics, Chemistry, and Biology, helping students prepare effectively for exams.
Exercise |
|---|
1. To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Ans: Yes, it can be reversed by unfolding the dress.
2. You accidentally dropped your favourite toy and broke it. This is a change you did not want. Can this change be reversed?
Ans: No, this change cannot be reversed.
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 |
|
|
2 |
The Melting of ice candy |
|
|
3 |
Dissolving sugar in water |
|
|
4 |
The cooking of food |
|
|
5 |
The ripening of a mango |
|
|
6 |
Souring of milk |
Ans:
|
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 |
(4) A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Ans: No, change cannot be reversed.
(5) Give examples to explain the difference between changes that can or cannot be reversed.
Ans: Changes that can be reversed are:
(i) Opening and closing the door.
(ii) Filling glasses with water.
Changes that cannot be reversed are:
(i) Making curd from milk.
(ii) Growth of plants and animals.
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?
Ans: No, the change in POP cannot be reversed since it is a chemical change.
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?
Ans: No, the change cannot be reversed.
SEBA Class 6 Science Lesson 3 – Changes Around Us FAQs
✔️ Irreversible Changes: Cannot be undone (e.g., burning of wood).
✔️ Chemical Changes: A new substance is formed (e.g., rusting of iron).
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