Sound travels through air at about 344 meters per second. (1,128 feet per second) Imagine you are hiking in the mountains, the weather turns stormy, you begin to see lightning in the distance. The sound does not reach you immediately. It takes 14 seconds. How far away was the crack of lightning?

Soon the lightning cracks are closer to the thunder sounds, at 5 second intervals. Now, how far away is the lightning?

Is lightning something that you should be a afraid of? why?

What is butterfly lightning or heat Lightning?

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