Chapter 4 Sorting Materials into Groups

By | July 13, 2018

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

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

Answer: Table, chair, door, bed, window

Question 2 Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt

Answer: 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.

ObjectsMaterial
BookGlass
TumblerWood
ChairPaper
ToyLeather
ShoesPlastic

Answer:

ObjectsMaterial
BookPaper
TumblerGlass
ChairWood
ToyPlastic
ShoesLeather

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: Round shaped : Basket ball, orange, globe, apple and earthen pitcher

Other shapes : Water and sugar

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: The objects which float on water are Wooden block, Paper, Balloon, Hair, plastic bottle, wooden logs, Boat.

The objects which float on oil or kerosene are Plastic sheet, Paper ,Wax , wood.

Question 7 Find the odd one out from the following:
a) Chair, Bed, Table, Baby, Cupboard
b) Rose, Jasmine, Boat, Marigold, Lotus
c) Aluminium, Iron, Copper, Silver, Sand
d) Sugar, Salt, Sand, Copper sulphate

Answer:

a) Baby

b) Boat

c) Sand

d) Sand

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