Three Heat Zones of the Earth

Latitudes divide the Earth into three different heat zones. Because the Earth is spherical, different parts of the Earth get heated differently. Based on the heat received from the Sun, the Earth is divided into three heat zones. They are

Three Heat Zones of the Earth

Torrid Zone: It is a region between the Tropic of Cancer and the Tropic of Capricorn. This region receives the direct vertical rays of the Sun for almost the whole year. Therefore, this zone gets maximum heat from the Sun. This zone is known as the torrid or tropical zone.

Temperate Zone: This zone lies between the Tropic of Cancer and the Arctic Circle in the Northern Hemisphere and between the Tropic of Capricorn and the Antarctic Circle in the Southern Hemisphere. This zone gets the slanting rays of the Sun as the angle of the Sun’s rays goes on decreasing towards the poles. Thus, this zone experiences moderate temperature.

Frigid Zone: The Frigid Zone lies between the Arctic Circle and the North Pole and between the Antarctic Circle and the South Pole. This zone is also known as the polar region. Because it receives the extreme slanting rays of the Sun, the temperature is extremely low throughout the year. This is the reason the polar regions are generally covered with ice.


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