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What do you mean by low pressure area and high pressure area?
Our atmosphere is divided into layers of air which exerts pressure on the ground, at the earth. The higher the distance from the ground, lower the pressure of the air exerted by it. (i.e why astronauts float above the atmosphere with no pressure or gravitation pull). Atmosphere gets heated up by the sun and so the ground. This causes the moisture to evaporate and the air above the ground becomes warmer and both rise up. Warmer air are less dense, lighter in weight and have a tendency to hold more water. This warmer air rises up above the cold air (which is heavier or highly denser). The areas which witness such type of phenomenon are called as low pressure areas. At a later stage, the warmer or low pressure air, above the cold high pressure air, gets cooled, condensed and causes precipitations. Low pressure air is usually marked with cloudy and windy sky. Hence we say that Low pressure areas gets torrential rainfall. Whereas in high pressure areas, one would witness dry and clear sky (due to lack of condensed air or clouds)
What is the effect of this current on the weather in these areas?
This causes a warmer climate in these areas.
Does air move from warmer areas to cooler areas?
Yes, air tends to move from warmer areas to cooler areas in an attempt to equalize the temperature difference. This movement of air is what we commonly refer to as wind.
Do coastal areas get warmer at night?
nights are warmer in coastal areas because the water cools down more slowly than land. so the cool air from the land moves towards the sea which makes the nights in coastal areas warmer.
Which is warmer the high pressure system or the low pressure system?
The high pressure system is warmer then the low pressure system . simple reason pressure is high when the molecules of gas are vibrating more violently then they do in normal routine ( vibrations of molecules can only be increased by increased temperature) hence if the pressure is high the temp will always be warmer then in low pressure area .
What kind of currents cause wind?
Winds are caused by differences in air pressure not currents. Air under high pressure moves toward areas of low pressure.
How do differences in atmosphere pressure create winds?
As dense, cool air moves into a low-pressure region , the less dense, warmer air is pushed upward. These pressure differences, which are the result of the unequal heating that causes convection, create winds.
What are the two types of pressure areas on the transparency?
the two types of pressure areas on the transparency are high and low pressure
What common term refers to the movement of air from a high pressure zone to a low pressure zone?
Our atmosphere is divided into layers of air which exerts pressure on the ground, at the earth. The higher the distance from the ground, lower the pressure of the air exerted by it. (i.e why astronauts float above the atmosphere with no pressure or gravitation pull). Atmosphere gets heated up by the sun and so the ground. This causes the moisture to evaporate and the air above the ground becomes warmer and both rise up. Warmer air are less dense, lighter in weight and have a tendency to hold more water. This warmer air rises up above the cold air (which is heavier or highly denser). The areas which witness such type of phenomenon are called as low pressure areas. At a later stage, the warmer or low pressure air, above the cold high pressure air, gets cooled, condensed and causes precipitations. Low pressure air is usually marked with cloudy and windy sky. Hence we say that Low pressure areas gets torrential rainfall. Whereas in high pressure areas, one would witness dry and clear sky (due to lack of condensed air or clouds)
What kind of weather system is found in areas of high pressure Low air pressure?
Areas of high pressure typically bring clear skies, calm weather, and light winds. In contrast, areas of low pressure usually result in unsettled weather, including clouds, precipitation, and stronger winds.
How does air move from areas of high pressure to areas of low pressure?
Air moves from areas of high pressure to areas of low pressure due to the pressure difference created by the uneven heating of the Earth's surface. This pressure difference causes air to flow from high pressure areas to low pressure areas, creating wind.
How did the early man survive the ice age?
By migrating to areas which were warmer and contained food.
