Lightning
Lightning is a powerful electrical discharge that occurs during thunderstorms.
Written by
Deepika Trivedi
First written 26 Nov 2023
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Lightning is a sudden, powerful discharge of electricity in the atmosphere, usually during a thunderstorm.
How it forms
Inside storm clouds, rising and falling air separates electric charges. When the difference becomes large enough, a bright flash of lightning jumps between clouds or from cloud to ground.
Thunder
The intense heat of lightning makes the air expand explosively, producing the sound of thunder. Lightning can be dangerous, so shelter is important during storms.
Frequently asked questions
What is lightning?
A powerful electrical discharge in the atmosphere.
What causes thunder?
The rapid heating and expansion of air by lightning.