NCERT Class 6 Science Chapter 4 Sorting Materials into Groups

Chapter 4 Sorting Materials into Groups

Question 1: Name five objects which can be made from wood.
Answer:
The five objects which can be made from wood are chair, table, cupboard, pencil and showpiece.

Question 2: Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Answer:
Glass bowl and steel spoon are the objects that shine.

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:

Book - Paper, Wood
Tumbler - Glass, Wood, Plastic
Chair - Wood, Plastic
Toy - Glass, Wood, Paper, Plastic, Leather
Shoes - Leather, Plastic

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) False
ii) False
iii) False
iv) True
v) False
vi) False
vii) True
viii) True

Question 5: Given below are the names of some objects and materials:
Water, basketball, 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 - Basketball, Orange, Globe, Apple, Earthen pitcher
Other shapes - Water, Sugar
b)
Eatables - Water, Orange, Sugar, Apple
Non eatables - Basketball, Globe, Earthen pitcher

Question 6: List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
Answer:
The items that float on water are Sponge, Plastic bottle, Wood, Cork etc. No, these items will not float on an 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 - Not made of wood
b) Boat - Not a flower
c) Sand - Not a metal
d) Sand - Not soluble in water

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