Chapter 18: CLIMATE


Air moves from region of high air pressure to low air pressure. Air when heated rises as it becomes lighter. Air expands on heating.

Thunderstorms develop in hot, humid tropical areas like India very frequently. The rising temperatures produce strong upward rising winds. These winds carry water droplets upwards, where they freeze, and fall down again. The swift movement of the falling water droplets along with the rising air creates lightning and sound. It is this event that we call a thunderstorm.

Cyclone names

Typhoons – Philippines, Japan

Hurricane – American continents

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