4. SORTING MATERIAL INTO GROUPS Class 6 Science [LATEST] Solutions Exercise (NCERT Text Book) in English - CBSE Study

Exercise (NCERT Text Book)

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Q1:  Name five objects which can be made from wood.

Ans : chair, window, table, bed and doors

Q2:  Select those objects from the following which shine:

       Glass bowl, plastic toy, steel spoon, cotton shirt

Ans :  Glass bowl, steel spoon.

Q3:  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                               Materials

Book                     Glass

Tumbler                Wood

Chair                     Paper

Toy                        Leather

Shoes                    Plastics

Ans :

Objects                               Materials

Book                     Paper

Tumbler                Glass

Chair                     Wood

Toy                        Plastics

Shoes                    Leather

 

Q4:   State whether the statements given below are True or False.

1. Stone is transparent, while glass is opaque.
2. A notebook has lustre while eraser does not.
3. Chalk dissolves in water.
4. A piece of wood floats on water.
5. Sugar does not dissolve in water.
6. Oil mixes with water.
7. Sand settles down in water.
8. Vinegar dissolves in water.

Ans :

1. False
2. False
3. True
4. True
5. False
6. False
7. True
8. True

Q5:  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

Ans :

(a) Rounded shaped : basket ball, Orange, globe, apple. 

      other shapes : Water, sugar, earthen pitcher.

(b) Eatables: Water, orange, apple, sugar.

     Non eatables: Basket ball, globe and earthen pitcher.

Q6:   List all items known to you that float on water. Check and see if they will float on an oil or kerosene.

Ans: The items which float on water are as Balloons, football, dry leaf, boats, steal glass, a piece of dry wood, oils.

          These all also float on an oil or kerosene.  

Q7:   Find the odd one out from the following:

1. Chair, Bed, Table, Baby, Cupboard
2. Rose, Jasmine, Boat, Marigold, Lotus
3. Aluminium, Iron, Copper, Silver, Sand
4. Sugar, Salt, Sand, Copper sulphate

Ans :

1. Baby
2. Boat
3. Sand
4. Sand