Largest physics lesson

According to Official Guinness Records,

The largest physics lesson involved 5,401 participants during a presentation by Steve Spangler Science (USA) at Coors Field in Denver, Colorado, USA, on 7 May 2009.
The presentation was featured as part of NBC Denver affiliate 9News' first "Weather & Science Day Event". Among the different lessons Steve Spangler Science taught were: Bernoulli's Principle and other assorted air properties by way of solar balloon, liquid nitrogen, potato cannon, and Mentos cola geyser demonstrations.

For a complete list of 2009 records, please visit 2009 Guinness Records in United States.

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