| lightning |
natural electricity produced in thunderstorm clouds and appearing as a bright flash or streak of light in the sky.
출처: worksheets.teach-nology.com/science/force/quiz/
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| lightning |
A sudden visible flash of energy and light caused by electrical discharges during a thunderstorm.
출처: weathereye.kgan.com/cadet/disaster/glossary.html
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| lightning |
an electrical discharge that results from the buildup of positive and negative charges within a thunderstorm. When the buildup becomes strong enough, lightning appears as a "bolt." This flash of light usually occurs within or between, the clouds and the ground. When a lightning bolt occurs, the air surrounding its channel is instantaneously heated to as much as 50,000?F, a temperature that is five times that of the sun.
출처: www.sumter-electric.com/storms/termstoknow.htm
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