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“Glow worm”

“Glow worm”. Celeste Madsen. Preview. History Chemistry Make your own Uses Fun facts. History. Originated in china Chinese new year. Chemistry.

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“Glow worm”

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  1. “Glow worm” Celeste Madsen

  2. Preview • History • Chemistry • Make your own • Uses • Fun facts

  3. History • Originated in china Chinese new year

  4. Chemistry • After being lit, fireworks begin to smoke and create ash resembling a snake creating a intumescent reaction. They stay on the ground and do not emit sparks, flares, or any sound, but release smoke. • Sodium bicarbonate which produces carbon dioxide gas, and sugar forming carbon containing ash, are used for creating black snakes. They used to use mercury Thicyanate but they don’t anymore because of its toxicity.

  5. More chemistry • 2 NaHCO3 → Na2CO3 + H2O + CO2 • C2H5OH + 3 O2 → 2 CO2 + 3 H2O

  6. Make your own • Materials: • sand • alcohol or fuel oil • baking soda • sugar • Directions: • Mix 4 parts powdered sugar with 1 part baking soda. • Make a mound with the sand. Push a depression into the middle of the sand. • Pour the alcohol or other fuel into the sand to wet it. • Pour the sugar and soda mixture into the depression. • Ignite the mound, using a lighter or match.

  7. Uses • Fun • Chemistry experiment • Learning of chemical properties

  8. Fun facts • Fireworks have a history going back to ancient China, long before the Founding Fathers led the United States to independence. • According to the American Pyrotechnics Association, the country bought 207.5 million lbsof fireworks last year, spending $645 million. The United States imported $227.3 million worth of fireworks in 2012.

  9. conclusion • Chemistry can be fun • You can make your own fireworks

  10. resources • http://en.wikipedia.org/wiki/Black_snake_(firework) • http://chemistry.about.com/od/chemistryhowtoguide/a/blacksnakes.htm • http://www.google.com/search?q=worm+firework&safe=active&source=lnms&tbm=isch&sa=X&ei=pMZCU7_uI-jg2QWKhYGgDg&sqi=2&ved=0CAYQ_AUoAQ&biw=1280&bih=929&surl=1#q=worm+firework+at+chinese+new+year&safe=active&tbm=isch&imgdii=_ • http://en.wikipedia.org/wiki/Intumescent • http://www.livescience.com/37946-5-facts-about-fireworks.html

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