# NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

Written by Team Trustudies
Updated at 2021-05-07

## NCERT solutions for class 6 Science Chapter 4 Sorting Materials Into Groups Exercise

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

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

Objects which can be made from wood :

a) Table

b) Chair

c) Doors

d) Desk

e) Box

f) Window

Q2 ) Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

Glass bowl and steel spoon are those objects which shine.

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.

Book
Tumbler
Chair
Toy
##### Material
Glass
wood
Paper
Leather

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

Objects $$\space$$ $$\rightarrow$$ $$\space$$ Material

Book $$\rightarrow$$ Paper

Tumbler $$\rightarrow$$ Glass

Chair $$\rightarrow$$ Wood

Toy $$\rightarrow$$ Plastics

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

(i) Stone is transparent, while glass is opaque.
(ii) A notebook has luster 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.

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

(i) Stone is transparent, while glass is opaque. $$\rightarrow$$ FALSE

REASON : Stone is opaque because light does not pass through stone but glass is transparent because the light is passed through the glass.

(ii) A notebook has luster while the eraser does not. $$\rightarrow$$ FALSE

REASON : No, notebook and eraser don't have luster because they aren't shiny objects.

(iii) Chalk dissolves in water. $$\rightarrow$$ FALSE

REASON : No chalk does not dissolves in water because chalk is not a soluble substance.

(iv) A piece of wood floats on water. $$\rightarrow$$ TRUE

(v) Sugar does not dissolve in water. $$\rightarrow$$ FALSE

REASON : Sugar dissolve in water because it is a soluble substanse.

(vi) Oil mixes with water. $$\rightarrow$$ FALSE

REASON : No oil does not mix with water because it is not a soluble

(vii) Sand settles down in water. $$\rightarrow$$ TRUE

(viii) Vinegar dissolves in water.$$\rightarrow$$ 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

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

(a) Round shaped – Basketball, Orange, Globe, Apple, Earthen pitcher

Other shapes – Water, Sugar

(b) Eatables – Water, Orange, Sugar, Apple

Non-eatables – Basketball, Globe, 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.

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

List of some items that float on water :

(1) Piece of paper

(2) Wood

(3) Balloon

(4) Plastic bottle

(5) Ice

(6) Boat

List of items that float on an oil or kerosene :

(1) Piece of paper

(2) Plastic bottle

(3) Balloon

(4) Wood

Q7 ) 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

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials Into Groups

(a) BABY : Others are made up of wood and non-living but the baby is not.

(b) BOAT : Others are flowers but a boat is an object is made up of wood.

(c) SAND : Others are metals, but sand is not a metal.

(d) SAND : Others are soluble in water, but sand is insoluble in water.

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