Class 6 Science Chapter 4 Exercises

 

Chapter 4 – Sorting Materials into Groups

Ques. 1: Name five objects which can be made from wood.

Answer: (i) Table

(ii) Chair

(iii) Furnitures

(iv) Doors

(v) Boat

 

Ques. 2: Select those objects from the following which shine:

                Glass bowl, plastic toy, steel spoon, cotton shirt

Answer: Glass bowl and Steel spoon.

 

Ques. 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.

 

Objects	Material
Books	Glass
Tumbler	Wood
Chair	Paper
Toy	Leather
Shoes	Plastics

 

Answer:

Objects	Material
Books	Paper
Tumbler	Glass
Chair	Wood
Toy	Plastics
Shoes	Leather

 

 

Ques. 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)                False

(ii)             False

(iii)           False

(iv)           True

(v)             False

(vi)           False

(vii)        True

(viii)      True

 

Ques. 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:

(a) Round shaped: Basket ball, orange, globe, apple and earthen pitcher.

Other shapes: Water, sugar.

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

Non-eatables: Basket ball, globe and earthen pitcher.

 

Ques. 6: List all items known to you that float on water. Check and see if they will float on an oil or kerosene.

 

Answer: List of items that float on water:

(i)                Paper

(ii)             Ice

(iii)           Thermocol

(iv)           Oil

(v)             Wood

(vi)           Wax

 

List of items that float on Oil:

(i)                Paper

(ii)             Thermocol

(iii)           Wood

(iv)           Wax

 

 

Ques 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 (rest are non living)

(b) Boat (rest are flowers)

(c)  Sand (rest are metals)

(d) Sand (rest are soluble in water)

 

 Solution of Exercises of Chapter 1; Food: Where does it come from.

Solution of Exercises of Chapter 2; Components of Food.

Solution of Exercises of Chapter 3; Fibre to Fabric.

Solution of Exercises of Chapter 4; Sorting Materials into Groups.

Solution of Exercises of Chapter 5; Separation of Substances.

Solution of Exercises of Chapter 6; Changes around us.

Solution of Exercises of Chapter 7; Getting to Know Plants.

Solution of Exercises of Chapter 8; Body Movements.