This short science video in English is meant for upper primary class children (age 11-13 years). This video explains the details of a lighting a bulb – including the cell, bulb (filament, terminal), wire, switch and the circuit. It gives different examples to explain the complete circuit and the direction of flow of current. It starts with a inspiring story – A daring rescue – which can be seen at https://www.youtube.com/watch?v=oolH5gnLSqo
Post time: Jun-18-2017