How To: Explain why the sky is blue through chemistry

Explain why the sky is blue through chemistry

Want to know why the sky is blue during the daytime and red during the evening and morning? A simple experiment is all that is needed. The ingredients required for the experiment are simply hydrochloric acid solution, sodium thiosulphate, a torch which produces white light, water and a few beakers and tubes. By carefully adding measured quantities of the chemicals above in water to form a suspension of sulphur particles, and then focusing the white light through the mixture at proper angles, a blue sky like effect can be produced. The principle behind this experiment is simply the way in which light is scattered by the constituent particles of the mixture.

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