January 2023

Science:Lighting

By |2022-09-15T12:38:49+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Lightining is a result of electrostatic discharge. Image credit zmescience.com Lightining is a result of electrostatic discharge. Image credit zmescience.com ZIMSEC O Level Combined Science Notes: Conductors and insulators

  • Clouds are poor conductors because they are made of mostly water particles
  • They may become charged due to friction forces within them […]
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Lightning and safety

By |2022-09-15T12:38:48+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Lightning conductors in action. Image credit ask.com Lightning conductors in action. Image credit ask.com ZIMSEC O Level Combined Science Notes: Lightning and safety

  • Lightning has very high voltages
  • It can electrocute, maim or kill a person if they are struck
  • Several precautions can be taken to prevent this from happening:
  • People […]
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