Does the lamp use up some of the current? An ammeter on either side can settle the question. Measure electric current in amperes and use readings to test the series and junction rules.
Pupils try “Follow the current around a circuit”. Includes the editable PowerPoint, a 50-minute lesson plan and a printable pupil sheet with equipment, instructions, example evidence and worked teacher answers.
KS3 physics for ages 11–14. Part of the electric charge and circuits sequence.
The download also includes 5 independently written practice sheets with teacher answers. The activities are Reading an ammeter, Where does the current go?, Balancing junction readings, Testing unequal branches and Diagnosing circuit drawings.
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