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

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

Answer :

chair, desk, table, bench, door, window etc.

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

Answer :

Answer: Glass bowl, steel spoon

Q.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.

Objects

Material

Answer :

Objects. Material
Book$?$Paper
Tumbler$?$Glass
Chair$?$wood
Toy$?$Plastics

Q.4 State whether the statements given below are True or False.
(i) Stone is transparent, while glass is opaque.
(ii) A notebook has luster 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) False
ii)False
iii) False
iv) True
v) False
vi) False
vii) True
viii) True

Q.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 shaped : water and sugar
(b) Eatables: water, orange, sugar and Apple
Non eatable: basketball, globe and earthen pitcher

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

Answer :

plastics, feathers, wood, thermocol wax etc. Is also float on oil and kerosene

Q.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