HARD
6th CBSE
IMPORTANT
Earn 100

Why do we need to sort materials? Give two examples where sorting is helpful.

Important Questions on Sorting Materials Into Groups

HARD
6th CBSE
IMPORTANT
Write five properties on the basis of which materials can be classified.
HARD
6th CBSE
IMPORTANT
Why is it important to study the properties of a material before using it to make a particular object? Give example.
HARD
6th CBSE
IMPORTANT
Why is jewellery made of gold or silver and not from iron?
HARD
6th CBSE
IMPORTANT
Differentiate between transparent, opaque and translucent objects with suitable examples.
MEDIUM
6th CBSE
IMPORTANT
How does a blanket help us keep warm on a cold winter night?
HARD
6th CBSE
IMPORTANT
Arrange the following in the increasing order of hardness:
Cotton cloth, cotton boll, wax candle, iron nail, chalk piece, piece of wood.
 
HARD
6th CBSE
IMPORTANT
Hot milk cools faster in a steel tumbler as compared to a plastic mug. Why?
HARD
6th CBSE
IMPORTANT
Why are screwdrivers and pliers used while working with electrical appliances provided with plastic or a wooden handle?