MEASUREMENT (Length, Mass, Capacity)
- Things are measured to find out how big or how heavy they are.
- The distance between two points is called length.
- Words used for length:
(a) Height-length measured upwards.
(b) Distance - length measured between objects on same level.
(c) Width - length measured from side to side.
(d) Depth - length measured downwards.
- Length of an object can be measured by comparing it with the length of a known object, or a ruler.
- The heaviness of an object is called mass, which is usually called weight.
- Weight of an object can be measured by comparing it with the weight of a known object or a scale.
- The amount of space inside an object is called capacity.
- Capacity of an object can be measured by comparing it with the capacity of a known object or a measuring jar.