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CLASS 6 SCIENCE
CHAPTER - 4
SORTING MATERIALS INTO GROUPS

EXERCISES

QUESTION NO. 1

Name five objects which can be made from by wood.
ANSWER NO. 1

Chain
Doors
Box
Desk
Table

QUESTION NO. 2

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

ANSWER NO. 2

Glass bowl and steel spoon

QUESTION NO. 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

Book                                 Glass
Tumbler                          Wood
Chair                                Paper
Toy                                    Leather  
Shoes                                Plastic

 ANSWER NO. 3

 OBJECTS                           MATERIAL

 Book                                  Paper    
Tumbler                           Glass
Chair                                 Wood
Toy                                      Plastic
Shoes                                  Leather

 QUESTION NO. 4

 State whether the statements given below are true or false:

 (a) Stone is transparent,while glass is opaque. 
(b) A notebook has lustre while eraser does not.
(c) Chalk dissolves in water.
(d) A piece of wood floats on water.
(e) Sugar does not dissolve in water.
(f) Oil mixes with water.
(g) Sand settles down with water.
(h) Vinegar dissolves in water.

 ANSWER NO. 4

 (a) False
(b) False
(c) False
(d) True
(e) False
(f) False
(g) True
(h) True

QUESTION NO. 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 NO. 5

 (a) Round shaped - Basketball,orange,globe,apple
Other shapes - Earthen pitcher
(b) Eatables - Orange,sugar,apple
Non eatables - Basketball,earthen pitcher,globe,water

 QUESTION NO. 6

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

 ANSWER NO. 6

 1. Plastic ball
2. Wood
3. Matchstick
4. Thermocole 
5. Hair
6. Feather
They will float on oil and kerosene

 QUESTION NO. 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 NO. 7

 (a) Baby
(b) Boat
(c) Sand
(d) Sand
Also see answers of the following chapters -

      

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