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Measurement, , , , In our daily life, we need to measure length of objects, weight of objects, amount, of liquids, time and temperature of our body and air., , Let us discuss the methods and units for measuring each of these., , Some of the standard units that we use are :, , Length — metre(m) Weight — — gram(g), Volume — litre (I) Temperature — degree(*), Time — _ seconds(s), Measurement of Length, , Length is the measure of how long a thing is or measurement of anything from., one to another. In olden times, people used their body parts as units to measure, the length of an object. They used handspan, footspan, cubit and stride for, , measuring objects., @,, , Handspan Footspan Cubit Stride, , Now-a-days, we have fixed units for measuring things. Metre is the unit used for, measuring lengths., , You must have seen a scale. A scale is used to measure the distance between two, points. Small scale is used to measure small distances and long scale is used to, measure long distances, such as a cricket field and length of street, etc. We use, different types of scales. We use a ruler, a metre rod or measuring tape to, measure length. The ruler or scale measures length in inches, millimetre and, , 67