What comes first: thunder or lightning?



  1. 0 Votes

    Thunder and lighting happen at the same time. However, light travels faster than sound, so we can see the lightning before hearing the thunder. 

  2. mle
    0 Votes

    Comitar is correct.  In a little more depth, lightening is a large electrical discharge. The electricity heats up the air around the lightning; the air expands and begins to vibrate.   The vibration bounces off the earth and the clouds; this is the sound that we hear.

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