We all make use of measurements in our daily life. A milkman measures milk, a shopkeeper measures rice or pulses, a farmer measures his field, a tailor measures the cloth before tailoring and so on. Everybody measures something or the other with different types of devices. It is seen that if we know what to measure and how to measure it, we can do many things well in life. Measurement is one of the basic life skills necessary for everyday life. It is also useful and essential in the learning of science and technology.
There is a constant need for measurement in our everyday life. Let us find out little more about the process of measurement. What does this process of measurement involve? Which tools are used for accurate and precise measurement? On which factors are measurement techniques based? This lesson will make you aware of several such aspects of measurement. In this lesson you will study about different measurement systems including the ancient system of measurement and the SI units. You will also learn about the methods of measurement of various physical quantities like length, mass, time, area and volume.