Precise and accurate measurements


Measuring sizes, weights, volumes, etc. is a very important human activity. Although we dont explicitly realise, measuring any quantity comprises of a lot of concepts and ideas. The process of measurement and the measuring instruments involve ideas like precision, accuracy, least count and instrument range. In this unit, students will develop a deeper understanding of these measurement concepts by performing various measuring activities.

Desired prerequisite: Estimation

Materials Required

Geometrical instruments box (compass box), thermometers (laboratory and clinical), micrometer screw gauges, objects having shape of parallelepiped (preferably a match box), book or notebook, simple pendulum set up, stop watch, syringes, protractor, measuring cylinder, thick paper or cardboard, scissors (or cutter), any other convenient instrument

Download PDF in

Teachers' Version

Tags :