Wednesday, May 19, 2010

Thursday, May 6, 2010

Lightning

Q3-Where does lightning happen?

 

Lightning pretty much occurs anywhere in the world. So then you should know from the graph below that lightning occurs in hot places the most. Also that they don't occur as often in cold places. Lightning. It avoids oceans but loves Florida, as shown below. 

http://en.wikipedia.org/wiki/Lightninghttp://science.nasa.gov/science-news/science-at-  nasa/2001/ast05dec_1/

Lightning

Q2-When does Lightning occur?

 

 Lightning occurs when liquid and ice particles above the freezing level collide, and build up large electrical fields in the clouds. Once the electric fields get large enough a big spark of lightning occurs. Lightning occurs during a thunderstorms, and sometimes during volcanic eruptions, or dust storms. When there is a thunderstorm lightning exists . There are about 16 million lightning storms in the world every year. 

http://ellerbruch.nmu.edu/classes/cs255w03/cs255students/awozniak/p6/LightningMain.html

http://en.wikipedia.org/wiki/Lightning

Tuesday, May 4, 2010

Lightning

Q1 -What is Lightning?



Lightning is a atmospheric discharge of electricity accompanied by thunder. In the atmospheric electrical discharge, a leader of a bolt of lightning can travel at speeds of 60,000 m/s (130,000 mph). Lightning can also reach temperatures at 30,000 C (54,000 F). 
http://en.wikipedia.org/wiki/Lightning