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Lightning Presentation

Transcript: The Mindboggling Mystery of Lightning by 5th Grade geniuses: Luke, Andrew, and Graeme. What destructive effects does lightning have? When they colide lightning is formed Lightning Ball lightning The electrons in the cloud are attracted to the protons on the ground. A scientific presentation Ball Lightning Lightning is caused when positive water molecules collide with electrons. Lightning causes fires and can kill people. For lightning to occur you need thunderheads, increasing winds and low pressure. Ball lightning Ball lightning is rarely known to chase people. The protons are made when electrons are stripped of oxygen molecules. So Lightning is: Lightning is an electrical discharge of high voltage. Lighting is basically electricity and electricity is made by moving electrons. Fetzer,Scott. World Book L Volume 12. Chicago: World Book inc, 2000 Gardner, Guy. "What are the Conditions Immediately before a thunderstorm." ehow. December 5,2012.< Mogil,Michael.Extreme Weather. New York: Black Dog and Leventhal Publishers, Inc,2007 Wicker, Crystal. "Lightning." www . December 5,2012. www. lightning How it works Forest fire caused by lightning What is lightning? What Conditions are needed for a lightning storm to occur? That is how lightning forms. The Answer Fun Facts Lightning is the leading cause of forest fires. 28 fatalities were caused by lightning in 2012. Bibliography How Does Lightning form and what destructive effects does it have? The Mind boggling Mystery of Lightning Although lightning can cause forest fires the fires can help new trees have room to grow. Conditions before a thunderstorm

Lightning Presentation

Transcript: Lightning 1 Lightning is a giant spark of electricity in the atmosphere between clouds, the air, or the ground. In the early stages of development, air acts as an insulator between the positive and negative charges in the cloud and between the cloud and the ground. What Lightning is 2 You need cold air and warm air. When they meet, the warm air goes up. It makes thunderstorm clouds. The cold air has ice crystals and the warm air has water droplets. During the storm, the droplets and crystals bump together and move apart in the air. This rubbing makes static electrical charges in the clouds. The energy goes through the air. It goes to a place that has the opposite charge. This lightning bolt of energy that is let out is called a leader stroke. It can go from the cloud to the ground. How it forms 3rd degree burns Hair/Clothing may catch fire Ruptured Eardrums Cardiac Arrest Temporary or even permanent paralysis Personality Changes Mood Swings Brain Damage Death Possible Effects of being struck 3 4 Roy Cleveland Sullivan was struck by lightning 7 times between 1942 and 1977.Sullivan was a park ranger at Shenandoah National Park in Virginia Who got struck by lightning 5 The first strike happened in April 1942, the second strike didn't happen til 1969 while driving his truck. The third strike was a year later and Sullivan was in his front yard, the fourth strike was at a rangers station. In 1976, Sullivan got struck twice, and in 1977 he got struck while fishing. When he got struck Shenandoah National Park Today 6 There wasn't really any way to inform him, he just had to know when to get to shelter and get out of the area. Was there any way to inform sullivan? 7 Web 10 April 2018 Rob St. George. "The Human Lightning Conductor." Web. 10 April 2018 "How does Lightning Form"Web. 11 April 2018 Web. 12 April 2018 Works Cited 8


Transcript: Value. Nowadays, with the rapid growth of global fame BLEVANA electrification and dependence on electricity, electricians are the most demanded professionals in any country. The importance of an uninterrupted power supply is so large that in case of interruption of the enterprise and the state incur significant losses, as in the case of disconnection from electricity supply almost all kinds of industries, Railways and many other sectors of the economy will be almost or completely paralyzed and stopped. Group of tolerance of electrical safety. All electricians have highlighted five groups of electrical safety. Equally important is the tolerance group of the electrician: it specifies the work which the degree of danger and responsibility the employer may designate an employee of such a profession. In connection with known risks, employers almost don't hire people with a category or group of third lower clearance. profession working in the fields of electrical engineering and energy involved in the installation, maintenance or repair of electrical equipment and electrical circuits. This profession is classified as a high threat. Activities of electricians associated with constant exposure, requires care and knowledge of ways of protection against electric shock and how first aid to victims of electric shock. The owners of this profession regularly every 5 years, undergoing technical training, associated mostly with technological upgrading of electrical equipment and communications, as well as annual verification of knowledge of the rules of electrical safety. The electricians on repair and maintenance of electrical equipment in Russia are assigned to the bits from 2nd to 8th inclusive in accordance with the Uniform tariff-qualifying directory of works and professions of workers '[ETCS]'. Electrician for repair and maintenance of electrical equipment.

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