Lightning and thunderstorm — task. Chemistry CBSE Live product, Class 8 (2026-27).

Choose the best answer for the following.

1. The loud sound of thunder is produced because

water droplets fall at high speed
the clouds collide with each other
lightning heats the surrounding air causing it to expand suddenly
warm air rises quickly

2. During a thunderstorm you should not

crouch in an open low-lying area
stay inside a closed car
use an umbrella with a metallic rod
stay indoors away from windows

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