Thunder is the sound we hear after seeing lightning. When lightning hits, it heats up the air so fast that the air around it expands and creates a big boom, like when you pop a balloon really quickly! The farther away the lightning is, the longer it takes for the sound to reach us, which is why thunder sometimes seems to rumble.
Examples
- When you hear a big boom after seeing a flash in the sky, that's thunder.
- Thunder feels louder when it’s closer to you, like when it seems to shake your chest.
- Sometimes you can feel the ground rumble along with the sound of thunder.
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See also
- What Causes the ‘Sound’ of a Thunderclap and How Is It Different from Lightning?
- What Causes ‘Thunder’ and Why Does It Sound So Loud?
- What Causes ‘Thunder’ and How Far Can It Be Heard?
- What Causes the ‘Hum’ of a Refrigerator?
- What Causes the ‘Pop’ of a Balloon?
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