Jammu and Kashmir Board Solutions for Chapter: Changes Around us, Exercise 1: Exercises
Jammu and Kashmir Board Science Solutions for Exercise - Jammu and Kashmir Board Solutions for Chapter: Changes Around us, Exercise 1: Exercises
Attempt the free practice questions on Chapter 6: Changes Around us, Exercise 1: Exercises with hints and solutions to strengthen your understanding. A Textbook of Science For Class 6 solutions are prepared by Experienced Embibe Experts.
Questions from Jammu and Kashmir Board Solutions for Chapter: Changes Around us, Exercise 1: Exercises with Hints & Solutions
To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.
| 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/tomato | |
| 6. | Souring of milk |
A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Give examples to explain the difference between changes that can or cannot be reversed.
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?
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?
Formation of snow is physical change. Explain.
Burning of an incense stick is a chemical change. Explain.(Note: Question mark removed)
