Question.
What are the three heat zones of the Earth?
( Chapter 2: Globe: Latitudes and Longitudes, Class 6- The Earth: Our Habitat ( GEOGRAPHY), SOCIAL SCIENCE)
Answer.
There are three heat zones of the earth-
- Torrid Zone
- Temperate Zone
- Frigid Zone
Torrid zone:
The torrid zone is also known as Tropical Zone. The torrid zone lies between the Tropic of Cancer (23.5 degrees North) and the Tropic of Capricorn (23.5 degrees south). This is the area of the Earth near the equator.
The torrid zone receives the most direct sunlight year-round and is generally hot and humid.
The torrid zone receives the maximum heat from the sun on the earth as the mid-day Sun is exactly overhead at least once a year on all latitudes of the torrid zone (between the Tropic of Cancer and the Tropic of Capricorn).
Temperate zone:
There are two temperate zones, one in each hemisphere namely the North Temperate zone and the South Temperate zone.
The north temperate zone lies between the Tropic of Cancer ( 23.5 degrees north) and the Arctic Circle ( 66.5 degrees North). It is the northern hemisphere.
The south temperate zone lies between the Tropic of Capricorn ( 23.5 degrees south) and the Antarctic Circle ( 66.5 degrees south). It is in the southern hemisphere.
The temperature of this zone remains medium. This zone experiences a wider range of temperatures, including distinct seasons.
Frigid zones:
The Frigid zones are also known as Polar zones.
There are two frigid zones on the Earth. One is northern hemisphere and the other in the southern hemisphere.
The North frigid zone lies between Arctic Circle ( 66.5 degrees north latitude) and the North Pole ( 90 degrees north latitude). It is in the northern hemisphere.
The south frigid hemisphere lies between the Antarctic circle (66.5 degrees north latitude) and the south pole( 90 degrees south latitude). It lies in the southern hemisphere.
In the frigid zones, Sun does not rise much above the horizon. The Sun rays always slant and thus provide very less heat. That is why this zone is very cold or frigid.
These zones receive the least direct sunlight and are characterized by very cold temperatures, especially in polar winters.
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