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

Rajasthan Board RBSE Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups Textbook Exercise Questions and Answers.

RBSE Class 6 Science Solutions Chapter 4 Sorting Materials into Groups

RBSE Class 6 Science Sorting Materials into Groups InText Questions and Answers

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Question 1. 
Boojho wants to know, whether we found some materials that were used for making more than one type of an object.
Answer:
Yes, there are a lot of materials that are used to make more than one type of object. For example - wood is used to make door, pencil, chair, table, bullock cart, bench, etc.

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Question 2. 
Boojho suggests that we also check if the liquids that we used in Activity 5, mix well with some liquid other than water. Paheli is curious to know whether gases also dissolve in water.
Answer:
Some gases are soluble in water whereas others are not. For example - oxygen gas dissolves in water, it is essential for the survival of water animals and plants. Carbon dioxide gas is dissolved in cold drinks like coca - cola.

RBSE Class 6 Science Sorting Materials into Groups Textbook Questions and Answers

Question 1. 
Name five objects which can be made from wood.
Answer:
Duster, furniture, wheel of cart, boat and door.

Question 2. 
Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Answer:
Shiny objects 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) False 
(ii) False 
(iii) False 
(iv) True 
(v) False 
(vi) False 
(vii) True 
(viii) True.

Question 5. 
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
Answer:
(a) Round shaped: Basketball, orange, earthen pitcher, apple.
Other shapes: Water, sugar.
(b) Eatables: Water, orange, sugar, apple. 
Non - eatables: Basketball, globe, earthen pitcher.

Question 6. 
List all items known to you that float on water. Check and see if they will float on oil or kerosene.
Answer:
Items that float on water are hair, wooden block, cork, paper, balloon, ghee, wax, thermocol, thin plastic, etc. No, they'll not float on kerosene or oil except the cork which has lower density than oil. 

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 (all others are non - living things)
(b) Boat (all others are flower)
(c) Sand (all others are metals)
(d) Sand (all others are soluble in water).