Variables in electric circuits: do and review
Lesson 15 / 16
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Lesson outcome
I can investigate variables that may affect the brightness of a bulb in an electric circuit.
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Equipment such as a light sensor and data logger can be used to measure bulb brightness in lux.
Scientists use the results from investigations to support or reject scientific ideas and theories.
Adding bulbs means that voltage is equally distributed among them all, so bulbs will be dimmer.
A bulb will be the same brightness wherever you place it in a circuit.
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