Transcript: and subtitle We have the conclusion. So make any final notes you can think of, within this box. Then make jokes. Tear off your break away pants. Party. Example Title Facebook Twitter LinkedIn Mustache Coalition And Finally, Mega Point #1 Social Media Because who doesn't? With Bullet Points Because People Love Bullet Points Also, Mustaches
Transcript: Fireworks! What is a Firework? Discovery: 200 B.C. China. Marco Polo mastered fireworks. Parts of a firework: Break: Cardboard component inside firework. Black powder: causes explosion White: Aluminum Green: Barium Orange: Calcium Blue: Copper Red: Lithium Yellow: Sodium Purple: Strontium & Copper Turquoise: Barium Nitrate Conclusion: Fireworks are cool. Time Delay Fuse: Delays reaction Compounds and colors Launching tube: holds firework and fuse. Device containing chemicals that have a colorful explosion when ignited. Stars: Cargo carried by areial fireworks By Zoë Hepp and Jeremy Neagle Lift charge: Propels firework out of launching tube. Fuse: Tissue paper rolled around in a trail of black powder
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Transcript: Conclusion Construction, mechanisms & control system Charge: 2+ Mass: 56 Atomic Mass: 55.847 Protons: 26 Neutrons: 30 Electrons: 24 The toxins released from fireworks can be harmful to human health and the environment. The smoke can clog your lungs and the toxic substances seep into the soil and water. -When making our UW fireworks, we will put potassium, iron, and lead inside the shell. -Metal elements emit different colored light because of amount of energy electrons release. -While it can harm the environment, one show won't affect us majorly. Our firework show will be displaying UW colors by using Lead(blue), Potassium (purple), and Iron (yellow/gold). Environmental Impacts Colors being emitted from different elements FIREWORKS PRESENTATION Charge: 2+ Mass #: 82 Atomic Mass: 207.2 Protons: 82 Neutrons: 125 Electrons: 80 [Xe]4f14,5d10,6s2, 6p2 Structure of an element Compounds giving desired colors Charge: + Mass #: 30 Atomic Mass: 39.0983 Protons: 19 Neutrons: 20 Electrons: 18 A combustion reaction is when a metal element's electron, in an excited state is moved to ground state and releases energy in the form of photons, which emits light. The flame color varies because different metal electrons emit different frequency waves. Elements that release a higher energy, have a higher frequency. http://www.compoundchem.com/2014/02/06/metal-ion-flame-test-colours-chart/ http://www.mnn.com/earth-matters/translating-uncle-sam/stories/are-fireworks-bad-for-the-environment http://chemed.chem.purdue.edu/demos/main_pages/6.2.html http://science.howstuffworks.com/innovation/everyday-innovations/firework-shapes.htm http://www.skylighter.com/fireworks/how-to/setup-electric-firing-systems.asp Red flames are a low frequency and blue flames are a high frequency. Elements that release less energy are closer to red flames and ones with more energy are closer to blue. Citations Fireworks are lit in two parts, the mortar and the shell. Large launching displays are controlled with electronic ignition systems.
Transcript: Fireworks How Science is Involved with Fireworks History Kamuro Spider Crossette About Fireworks Toy Presentation Types of Effects
Transcript: Fireworks! Bibliography 1) http://khmx.radio.com/2010/07/02/some-fun-facts-about-fireworks/ 2) http://badfirecracker.com/ 3)www.bigfireworks.com/history-of-fireworks.aspx 4)http://chemistry.about.com/od/howthingswork/a/fireworks.htm The colors in fireworks are made using different chemicals: red is made from lithium carbonate yellow is made from sodium nitrate green is made from barium chloride blue is made from copper asetoarsenite These are only some of the types of colors made from compounds: other compounds can make the same colors Fireworks are interesting, but do not experiment with them using these dangerous chemicals at home. Black Powder fireworks can be propelled 500-600ft in the air they can be heated to 1700˚C- 2000˚C to produce different colors Delaware, Massachusetts, New Jersey, New York, Rhode Island have banned the purchasing of fireworks 45% of all fireworks injuries are endured by children 14 and under Gunpowder of Fireworks During the Renaissance, Italian scientists developed fireworks in the form we know today. Since their invention, fireworks were either gold or silver. However, in the 1830's, scientists discovered how to make colored fireworks by adding certain elements and compounds to the chemical composition. In northern Italy, Fireworks were a sign of wealth Sam Ellis, Hannah Berger, and Lauren Weems The End given it's name because when mixed together, has graphite or black color composed of 3 major components: a nitrate, usually potassium nitrate charcoal (C) sulfur (S) justified composition as of 1790 is generally: 75% nitrate 15% carbon 10% sulfur Origin of Fireworks Fireworks Statistics the explosion seen in the firework is caused by gun powder gun powder varies in chemical composition depending on what type of firework wanted main type of gun powder used in fireworks is black powder The Colors We leave you with an amazing Japanese Fireworks show from last year. Fireworks were invented in China approximately 2000 years ago. Legend has it that a Chinese cook mixed three common kitchen ingredients: sulfur, charcoal, and saltpeter, and accidentally invented gunpowder, and fireworks by extension. We Leave you with an amazing Japanese firework from 2011. In 1292, Marco Polo brought fireworks to Italy, where they were further developed. More History
Transcript: By Rohana Chintakindi and Jacob Cook Enschede Fireworks Explosion- 2000 The Enschede Fireworks was an explosion that took place in a city in the Netherlands called Enschede on May 13, 2000. A fire broke out at SE warehouse and after further invesigtion, 900 kg of fireworks were found placed in 2 containers, (illegally), outside of the warehouse. A fire started in the work area and spread to the fireworks, so a total of 177 tons of fireworks were released. It was felt up to 3,000 kilometers away, 1000 people were injured, 23 people were dead, and 1250 people were left homeless. Damages cost more than 450 million euros. What was the Enschede Fireworks Explosion? What was the Enschede Fireworks Expolosion Arial view of enschede post explosion. No one know what exactly caused the explosion but the fire department claims it was caused by an electrical short circuit. The South East fireworks depot, and the managers of company who were arrested: Rudi Bakker and Willie Pater, were involved. Why did it happen and who was involved? Why did it happen and who was involved? Explosion occurring. Clearly visible fireworks, smoke, fire, and sparks. -Carbon -Copper -Aluminum -Calcium chloride -Sodium nitrate -Barium chloride -Potassium nitrate Potassium nitrate: Chemical- moderately soluble but increases solubility with temperature, transforms from a crystal structure to trigonal system from high temperature, and will release toxic gas if placed in fire. Physical- Odorless, white powder, very powdery Chemical and Physical properties Chemical and Physical properties Substance: Calcium chloride (flakey, white, powder) Substance: Potassium nitrate (powdery, white, crystal-like) Immediate consequences- Explosives cause harsh burns, hazardous to environment, hazardous to people, can cause chain reaction. Long term consequences- Debts for trying to pay for damage, loss of homes, deaths, injuries, and have to rebuild countless buildings Immediate and long term consequences Immediate and long term consequences Consequences of the explosion . Left debris and destroyed infrastructure throughout the city Then the chemical formula is 6KNO3 The Scientific/Common name for potassium nitrate. Saltpetre. Chemical Formula and Scientific name Chemical formula Scientific name Substance: Potassium nitrate in powder Substance: Potassium nitrate in crystal The disaster could have been prevented by storing the fireworks in the proper containers. In the Enschede firework explosion, it says that the containers with electrical radios, roman candles, fuses, bombs, and firework batteries were left in open containers. If the containers weren’t left opened then the explosion probably wouldn’t have happened. How could the disaster be prevented? How could the disaster be prevented? Truck showing the proper symbols to warn people about the chemical A box showing how to store chemicals properly The hazards associated with the chemical are explosive, oxidizer, have health effects, and is an environmental hazard. What hazards were associated with the Chemical. What hazards were associated with this chemical? Explosive Explosive This chemical is not that explosive, but it's still explosive which'll make it a hazard. The GHS symbol for explosion unhealthy unhealthy The chemical will cause irritation to skin and eye. Don't swallow or inhale the chemical. The GHS symbol of health hazard Oxidizer oxidizer This chemical is an oxidizer so this'll release oxygen and accelerates the combustion of other substances The GHS symbol for Oxidizers Environmental hazard Environmental hazard This chemical is unhealthy for the environment because it'll pass off toxic fumes if on fire. The GHS symbol for environmental hazards Osha.gov. (2018). OSHA QUICK CARD: Hazard Communication Standard Pictogram Occupational Safety and Health Administration. [online] Available at: https://www.osha.gov/Publications/HazComm_QuickCard_Pictogram.html [Accessed 11 Sep. 2018]. Jenkins, Beverly. “10 Worst Fireworks Disasters Ever - Fireworks, July 4th, Explosions, Explosives, Disasters, Fire.” Oddee, www.oddee.com/item_98635.aspx Poimenidou, C. and Poimenidou, C. (2018). Enschede, 13 years after Europe's largest explosion - Iamgreek.nl. [online] Iamgreek.nl. Available at: https://www.iamgreek.nl/in-the-netherlands/2013/05/13/enschede,-13-years-after-europes-largest-explosion/ [Accessed 10 Sep. 2018]. https://www.rivm.nl/en/Documents_and_publications/Scientific/Reports/2001/april/Fireworks_tragedy_in_Enschede_The_Netherlands_Measurements_for_concentrations_dispersion_and_deposition_of_harmful_substances_report_of_the_environment_study [Accessed 10 Sep. 2018]. Aria.developpement-durable.gouv.fr. (2018). [online] Available at: https://www.aria.developpement-durable.gouv.fr/wp-content/files_mf/FD_17730enschede2000_ang.pdf [Accessed 10 Sep. 2018]. Compound Interest. (2018). The Chemistry of Fireworks Compound Interest. [online] Available at:
Transcript: IP Meeting with CDC Nigeria Dr. Christopher-Izere/ CIHP 27/11/yyyy Outline Outline Challenge 1 Update on Index Case Testing 1 Challenge 2 Linkage of positives from NAIIS lenge 2 Challenge 3 Update on Granular Site Management 3 ICT update ICT Update Trend 1 Trend 1 Trend 2 Trend 2 Trend 3 Trend 3 Solutions Solutions Solution 1 Solution 1 Solution 2 2 Solution Solution 3 3 Solution Solution 4 Solution 4 Working together Working Together Tiers of service Tiers of service Tier 1 Tier 1 Tier 2 Tier 2 Tier 3 Tier 3 Pricing Pricing Standard Standard Premium Premium FAQ FAQ
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