• Question: what causes thunder?

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      Asked by Chaza433 to Anaïs, Peter on 19 Mar 2015.
      • Photo: Peter Maskell

        Peter Maskell answered on 19 Mar 2015:

        thunder is the sound caused by lightning.

        stolen from Wikipedia:-

        The sudden increase in pressure and temperature from lightning produces rapid expansion of the air surrounding and within a bolt of lightning. In turn, this expansion of air creates a sonic shock wave, similar to a sonic boom, which produces the sound of thunder, often referred to as a clap, crack, or peal of thunder.

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