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

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Written by Team Trustudies
Updated at 2021-03-08


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


Answer :

Chair, desk, table, bench, door, window, etc. are made from wood

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


Answer :

From the given objects Glass bowl and steel spoon are those object which is shine. It is made by lustre material. Lustre material is metal.

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
Book
Tumbler
Chair
Toy
Material
Glass
wood
Paper
Leather



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


Answer :

Objects.   Material
Book?Paper
Tumbler?Glass
Chair?wood
Toy?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


Answer :

(i) Stone is transparent, while glass is opaque.? false
Stone is opaque because light does not passes through stone but glass is transparent because light is passes through the glass.

(ii) A notebook has luster while the eraser does not. ? false
No, a note book and eraser have not a lustre because it is not a shiny object.

(iii) Chalk dissolves in water. ? false
No chalk does not dissolves in water because chalk is not a soluble substance.

(iv) A piece of wood floats on water. ? true

(v) Sugar does not dissolve in water. ? false
Sugar dissolve in water because it is a soluble substanse.

(vi) Oil mixes with water. ? false
No oil does not mix with water because it is not a soluble

(vii) Sand settles down in water. ? true

(viii) Vinegar dissolves in water.? 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


Answer :

(a) Round shaped: basket ball, orange, globe, Apple and earthen pitcher

Other shaped : water and sugar


(b) Eatables: water, orange, sugar and Apple

Non eatable: basketball, 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.



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


Answer :

Plastics, feathers, wood, thermocol and wax is float water.

When we put these ingredients in kerosene oil, we observe that these object also float in kerosene.

When we put these ingredients in oil, we observe that these object also float in oil.

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


Answer :

(a) Baby ; because Chair, Bed, Table and Cupboard are made by wood and non-living but baby is living to be.

(b) Boat ; because Rose, Jasmine, Marigold and Lotus are flowers but Boat is an object is made by wood.

(c) Sand ; aluminium, Iron, Copper, and Silver are metals, but sand is not a metal.

(d) Sand : Sugar, Salt and Copper Sulphate are soluble in water, but sand is insoluble in water.



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