Monday, 2 October 2023

Air Pollution Topic


Biology Air Pollution Topic Practical Measuring the Air Pollution levels using the @Pocketlab Air recording the levels of particulates in different sites gives a series of horror stories relating to the air we breathe.

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Cathode Ray Tube

  Taking a good look at the insides of an oscilloscope to discover how a Cathode Ray Tube works. Once commonplace, now students don't kn...