NCERT Solutions for Class 6th Science

Exercise (NCERT Text Book)

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