NCERT Solutions Class 6 Science Chapter 4 Sorting Materials into Groups

NCERT Solutions for Class 6 Science for chapter 4 Sorting Materials int

Question.1

Name five objects which can be made from wood.

Answer.

Objects made from wood are:

1. Chair
2. Table
3. Plough
4. Bullock cart
5. Doors

Question.2

Select those objects from the following which shine:

Glass bowl, plastic toy, steel spoon, cotton shirt

Answer.

Glass bowl, 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) Stone is transparent, while glass is opaque. (False)

(ii) A notebook has lustre while eraser does not. (False)

(iii) Chalk dissolves in water. (False)

(iv) A piece of wood floats on water. (True)

(v) Sugar does not dissolve in water. (False)

(vi) Oil mixes with water. (False)

(vii) Sand settles down in water.

(True) (viii) Vinegar dissolves in water. (True)


Question.5

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 Answer.

Question.6

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

Answer.

Some of the items that float on water are listed below:

1. Plastic bottle
2. Pencil
3. A piece of paper
4. A log of wood
5. A piece of thermocol
6. Cork
7. Plastic ball
8. Balloons

A few of these like balloons can float on kerosene or oil. This is because density of balloon is less than oil or kerosene.

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 (others are made up of wood)
b) Boat (rest are flowers)
c) Sand (rest are metals)
d) Sand (others are soluble in water)o Groups