Lightning that strikes the earth consists of one or more electrical discharges called strokes. The bright light that we see in a flash of lightning is called a return stroke. Return strokes travel at about the speed of light, which is 186,282 miles per sec

Some common words found in the essay are:
, lightning occurs, heat lightning, forms lightning, cloud ground, chain lightning, bead chain lightning, lightning strikes earth, ground lightning, flash lightning, return strokes, positive negative, lightning flash,
Approximate Word count = 491
Approximate Pages = 2 (250 words per page double spaced)