NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups

Class 6 Science Chapter 4 Textbook Questions Answer Solved

Question 1. Name five objects which can be made from wood.

Answer:- Five objects which can be made from wood are :-

1. Chair
2. Table
3. Almirah
4. Pencil
5. Door

Question 2. Select those objects from the following which shine:

Glass bowl, plastic toy, steel spoon, cotton shirt.

Answer:- Objects which shine are:- Glass bowl and steel spoon.

Question 3. Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.

Answer:-

Question 4. State whether the statements given below are True or False.

(i) Stone is transparent, while glass is opaque.

(ii) A notebook has lustre while eraser does not.

(iii) Chalk dissolves in water. 

(iv) A piece of wood floats on water. 

(v) Sugar does not dissolve in water. 

(vi) Oil mixes with water. 

(vii) Sand settles down in water. 

(viii) Vinegar dissolves in water. 

Answer:-

(i) Stone is transparent, while glass is opaque. ( False )

(ii) A notebook has lustre while eraser does not.  ( False )

(iii) Chalk dissolves in water.  ( False )

(iv) A piece of wood floats on water.  (True )

(v) Sugar does not dissolve in water.  ( False )

(vi) Oil mixes with water.  ( False )

(vii) Sand settles down in water.  (True )

(viii) Vinegar dissolves in water.  (True )

Question 5. Given below are the names of some objects and materials:

Water, basket ball, orange, sugar, globe, apple and earthen pitcher

Group them as:

(a) Round shaped and other shapes

(b) Eatables and non eatables.

Answer:-

(a) Round shaped :- basket ball, orange, globe, apple and earthen pitcher.

other shapes :- Water and sugar

(b) Eatables :- Water, orange, sugar and apple.

Non eatables:- Basket ball, globe and earthen pitcher.

Question 6. List all items known to you that float on water. Check and see if they will float on an oil or kerosene.

Answer:-

(A) List of some items I know that float on water:

1. Paper
2. Wood
3. Thin plastic sheets
4. Wax
5. Ice
6. Thermocol
7. Oil

However, some of these items will  not float on an oil or kerosene

Question 7. Find the odd one out from the following:

1. a) Chair, Bed, Table, Baby, Cupboard
2. b) Rose, Jasmine, Boat, Marigold, Lotus
3. c) Aluminium, Iron, Copper, Silver, Sand
4. d) Sugar, Salt, Sand, Copper sulphate

Answer:-

(a) Baby as all others are non-living.

(b) Boat as all others are flowers.

(c) Sand as all others are metals.

(d) Sand as all others are soluble in water.