What Causes the ‘Sound’ of Thunder and How Far Can It Travel?

Thunder is what you hear when lightning happens. When lightning strikes, it heats up the air really fast, like a giant firecracker going off in the sky! This hot air expands and makes a boom that we can hear. Sometimes the boom sounds far away because sound travels through the air slowly, just like how your voice takes time to reach someone across a room.

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Examples

  1. Thunder sounds like a big explosion because it’s like lightning causing the air to pop.
  2. You can hear thunder even when you’re on the other side of the lake, that’s how far sound travels!
  3. Sometimes, thunder can be so loud it feels like the sky is shaking.

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Categories: Physics · sound· weather· acoustics