Changing the volume of buzzers
Lesson 4 / 16
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Lesson outcome
I can predict and test how to change the volume of buzzers in a circuit.
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Increasing the number and voltage of batteries increases the electrical push they provide.
Test results help scientists to make predictions for further investigations.
Sensors and data loggers can be used to make and record accurate measurements of light and sound.
Scientists evaluate results to compare what was expected to what actually happened.
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