In measurement of capacity we will learn about the standard unit of capacity and volume.
Measurement of Capacity:
Let us learn the concept of measuring the capacity of a container using another container. James filled a jug using 4 bottles, but Mary filled the same jug using 5 cups.
Thus, you can say that the jug can hold 4 bottles or 5 cups of water.
The capacity is the quantity of liquid a container can hold.
We know that the two basic units for the measurement of capacity are litre and millilitre. Litre is the standard unit of measurement of capacity.
Litre is written as ‘l’ and millilitre as ‘ml’.
1 litre = 1000 millilitres or 1ℓ = 1000 mℓ
We know that the maximum quantity of a container or vessel can hold is called its capacity.
The capacity of a vessel is also called it’s the inner volume. We use the word volume as the amount of space taken up by a solid. If the mouth of the vessel is closed, it is like a solid. So the space taken by a closed mouth vessel will be called the outer volume of the container/vessel and the capacity of the vessel will be similar to the inner volume of the vessel.
Liter is the standard unit of capacity and the smaller unit of capacity is milliliter. In short liter is written as ‘l’ and milliliter as ‘ml’.
Liter (l) and milliliter (ml) are related to each other as:
1 liter = 1000 milliliter (1 l = 1000 ml).
Different liquids (milk, kerosene oil, diesel, petrol etc.) are measured in liters. Different liquid medicines are measured in ml.
To measure smaller quantities of liquid we use millilitres (ml) and to measure larger quantities of liquids we use litres (l).
Liquids like milk, kerosene oil, diesel, petrol, etc. Are measured in litres, whereas medicines, juice can, soft drink cans etc are measured in ml.
Soft drink in small bottles is measured in millilitres whereas in large bottles it is measured in litres.
There are some standard sized vessels or container of different shapes of one-liter capacity which are used to measure liquids.
Containers used for Measuring Capacity:
Various types of measuring containers are used to measure the capacity of different liquids.
Questions and Answers on Standard Unit of Capacity:
I. Match the following:
Answer:
I. (i) → 3
(ii) → 1
(iii) → 2
II. Complete the following table:
Object |
Estimated Capacity |
Actual Capacity |
A water bottle |
__________ |
__________ |
A cup |
__________ |
__________ |
A teaspoon |
__________ |
__________ |
A milk can |
__________ |
__________ |
A
bucket |
__________ |
__________ |
● Related Concepts
● Conversion of Standard Unit of Capacity
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