Q1Written answer
Name five objects which can be made from wood.
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Worked solution
a) Table
b) Chair
c) Doors
d) Desk
e) Box
NCERT · Class 6 · Science
Chapter 2: Sorting Materials into Groups
Practice each question, then open the answer or worked solution.
Exercise Questions
7 questionsQ2Written answer
Select those objects which shine from the following:
Glass bowl, plastic toy, steel spoon, cotton shirt
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Worked solution
Glass bowl and steel spoon are the objects which shine.
Q3Written answer
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 |
| Book | Glass |
| Tumbler | Wood |
| Chair | Paper |
| Toy | Leather |
| Shoes | Plastics |
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Worked solution
| Objects | Material |
| Book | Paper, wood |
| Tumbler | Glass, wood, plastic |
| Chair | wood, plastic |
| Toy | Glass, wood, paper, plastics, leather |
| Shoes | Leather, plastic |
Q4Written answer
State whether the statements given below are True or False.
(i) Stone is transparent, while glass is opaque.
(ii) A notebook has lustre while an 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 the water.
(viii) Vinegar dissolves in water.
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Worked solution
i) False
ii)False
iii) False
iv) True
v) False
vi) False
vii) True
viii) True
Q5Written answer
Given below are the names of some objects and materials:
Water, basketball, orange, sugar, globe, apple and earthen pitcher. Group them as:
(a) Round shaped and other shapes (b) Eatables and non-eatables
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Worked solution
(a) Round shaped – Basketball, Orange, Globe, Apple, Earthen Pitcher
Other shapes – Water, Sugar
(b) Eatables – Water, Orange, Sugar, Apple
Non-eatables – Basketball, Globe, Earthen Pitcher
Q6Written answer
List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
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Worked solution
A few items that float on water are as follows:
- Sponge’s piece
- Plastic bottle
- Paper’s piece
- Thermocol’s piece
- Wood
- Plastic ball
- Cork
However, these items will not float on oil or kerosene.
Q7Written answer
Find the odd one out from the following:
a) Chair, Bed, Table, Baby, Cupboard
b) Rose, Jasmine, Boat, Marigold, Lotus
c) Aluminum, Iron, Copper, Silver, Sand
d) Sugar, Salt, Sand, Copper Sulphate
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Worked solution
a) Baby – others are made up of wood
b) Boat – others are flowers
c) Sand – others are metals
d) Sand – others are soluble in water
Important Topics Covered in NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups- Objects Around Us
- Properties of Materials
- Appearance
- Hardness
- Opacity
- Solubility
- Buoyancy
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