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Traffic Lights - Periodic Table of Videos

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Uploaded by on Feb 22, 2010

The traffic light reaction sees a solution change colour from green to red to amber. More at http://www.periodicvideos.com/

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Science & Technology

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Standard YouTube License

  • likes, 46 dislikes

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Top Comments

  • WHAT SORCERY IS THIS?

  • thumbs up if you're watching this video and you are or is becoming a chemist!

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All Comments (431)

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  • so cool :D

  • Did I just hear Neil... speak?

  • Amazing, thanks for the great upload!

  • 3:10. That tank is size Wombo.

  • @GingleGangle1

    liquid oxyqen is very light 'sky-like' blue

  • i like how they called it the traffic light reaction, but in real life i wouldnt want my traffic lights changing like that...go...stop....caution...­lol

  • Liquid Oxygen is dark blue?

  • Is there a certain molarity you have to have the NaOH solution? Also does it matter how much sugar you use? (I plan on creating a design lab based off of this reaction)

  • Gotta love redox reactions..... Bitches love transition metals

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