Sunday, August 8, 2010

A science for A fiery fourth lesson

iStockphoto.com colorful fireworks explode in the air. Text size A A A July 3, 2010

It's that time of year when millions of Americans light backups and weglaufen.Explodieren Fireworks across the nation this weekend in celebration the day of independence, but science-wise, just what is going behind the clicks and POPs that unite us night sky ablaze in color?

First, you need two chemicals.Oxygen, for one.

"One who has your chemicals be oxygenated and oxygen give up if it to high temperatures until heats" chemistry professor John Conkling sagt.Dann need a fuel. gunpowder is popular, but can also other fuels.



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