NCERT Solutions for Class 6 Science Chapter 6 Changes around us

NCERT Solutions for Class 6 Science Chapter 6 imparts knowledge on the topics involved in Changes around us

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Download PDF of NCERT Solutions for Class 6 Science

NCERT Solutions Download Class 6	Chapter Name	NCERT Solutions Download Class 6	Chapter Name
NCERT Solutions for  Class 6 Chapter 1	Food: Where Does It come from?	NCERT Solutions for  Class 6 Chapter 9	The Living Organisms And their Surroundings
NCERT Solutions for  Class 6 Chapter 2	Component of Food	NCERT Solutions for  Class 6 Chapter 10	Motion and Measurement of Distances
NCERT Solutions for  Class 6 Chapter 3	Fibre to Fabric	NCERT Solutions for  Class 6 Chapter 11	Light, Shadows and Reflection
NCERT Solutions for  Class 6 Chapter 4	Sorting Materials Into Groups	NCERT Solutions for  Class 6 Chapter 12	Electricity and Circuits
NCERT Solutions for  Class 6 Chapter 5	Separation of Substances	NCERT Solutions for  Class 6 Chapter 13	Fun with Magnets
NCERT Solutions for  Class 6 Chapter 6	Changes around Us	NCERT Solutions for  Class 6 Chapter 14	Water
NCERT Solutions for  Class 6 Chapter 7	Getting to Know Plants	NCERT Solutions for  Class 6 Chapter 15	Air Around Us
NCERT Solutions for  Class 6 Chapter 8	Body Movements	NCERT Solutions for  Class 6 Chapter 16	Garbage In, Garbage Out

NCERT Solutions for Class 6 Science Chapter 6 Changes around us

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 favorite toy and broke it. This is a change you did not want. Can this change be reversed?

Ans :

No, this change (breaking of toy) 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, we cannot get a fresh drawing sheet once a picture is drawn on it with paint/ oil or water. This change can be reversed if a pencil is used to draw the picture. If pen or colors are used to draw the picture, 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 :

i) Opening and closing the door

ii) Filling glass with water

Changes that cannot be reversed :

i) Conversion of milk into curd

ii) Ripening of fruit

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 immobilized. 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, these are irreversible chemical changes.

CBSE Notes for Class 6 Science Free Download for All Chapters

CBSE Class 6 Science Study Notes	CBSE Class 6 Science Study Notes
Food: Where Does It comes from? Class 6 notes – Chapter 1	The Living Organisms And their Surroundings Class 6 notes – Chapter 9
Component of Food Class 6 notes – Chapter 2	Motion and Measurement of Distances Class 6 notes – Chapter 10
Fibre to Fabric Class 6 notes – Chapter 3	Light, Shadows and Reflection Class 6 notes – Chapter 11
Sorting Materials Into Groups Class 6 notes – Chapter 4	Electricity and Circuits Class 6 notes – Chapter 12
Separation of Substances Class 6 notes – Chapter 5	Fun with Magnets Class 6 notes – Chapter 13
Changes around Us Class 6 notes – Chapter 6	Water Class 6 notes – Chapter 14
Getting to Know Plants Class 6 notes – Chapter 7	Air Around Us Class 6 notes – Chapter 15
Body Movements Class 6 notes – Chapter 8	Garbage In, Garbage Out Class 6 notes – Chapter 16

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