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The Earth tilts on its axis which causes major differences to the amount of light that reaches the poles and extremes of Northern and Southern latitudes. The equatorial region is virtually unaffected by the seasonal tilt of the Earth and as such receives a large amount of light all year round.
Due to this the polar regions are significantly colder than the equatorial regions.
When a substance is heated the particles of that substance receive more kinetic energy; move more rapidly; move further apart; and therefore expand. When substances expand like this there are less particles per unit area and therefore the substance becomes less dense.
A less dense substance will float on top of a more dense substance.
Air is heated at equatorial regions and therefore rises due to decreased density.
Air is cooled at polar regions and therefore sinks due to increased density.
What else can I help you with?
Cool air over the poles will?
Actually, cool air tends to be more dense and flow under warm air
Does dry air rise or sink?
none of the suspected but just because it is a multiple choice question the one that is nearly the answer is sinking if it was rising the would be life at mars people going to the space wouldn't need air tanks with them
What path will air take at the equator around the hadley convection cell?
The air around the equator is caught in the doldrums and the trade winds. The air closest to the equator flows upward and westerly until it reaches the border of the prevailing westerlies when it heads back toward the equator again.
What temperature and density changes and occur in convection cells of a fluid or plastic material?
What causes these plates to move? The important thing to remember is that heat flows from warm areas to cool areas. In the asthenosphere you have some areas that are hotter than others. When the cool areas are heated up, their density decreases and they rise. Eventually, they cool, sink and repeat the process all over again. The result is a circular motion or current in the flowing part of the mantle. This process is called convection. Convection is also responsible for currents in the air.Hot air (a gas) rises near the equator and flows toward the poles, where it cools, becomes denser and sinks.
What is used to determine the direction of the wind?
Wind direction is determined by friction ,or the lack thereof ,surrounding the earth surface. Warm air from the equator rises, moves towards the poles, falls and returns to the equator. crossing water decreases friction, crossing a mountain increases friction.
Why is the air pressure the poles higher than the air pressure at the equator?
The reason the tropopause is lower above the poles than the equator is... The time it takes air to cool. The surface air-temperature at the equator is much higher than at the poles, meaning that the air rises further to reach the equilibrium required at the tropopause. Likewise, the air at the poles is cooler, and does not require as much room to rise.
The large winds that circle the Earth occur because the equator does what?
The large winds that circle the Earth, known as the trade winds, occur because the equator receives more solar energy than the poles. This temperature difference causes air to rise at the equator and sink at the poles, creating a circulation pattern that we observe as the trade winds.
Is air rising or sinking at the equator?
it sinks. since the equator is in direct contact with the sun, the poles are not. the are hit by the sun at a lower angle, and since the suns energy is spread out over a larger area, so it heats the surface less. as a result, temperatures near at the poles are much lower, and cold air sinks. at the equator, the temperatures are much higher, and the warm air is steadily rising. cold air comes, but it is quickly warmed and it rises. basically, warm air rises, cold air sinks. the equators warm, the poles are cold.
The air above the poles is?
colder than at the equator due to the angle of sunlight hitting the poles, causing denser air to sink and accumulate. This results in high atmospheric pressure and lower temperatures.
Warm air rises at the equator and cold air sinks at the poles creating?
Warm air rises at the equator and cold air sinks at the poles. Warm air expands and cool air contracts and compresses.
What effect do global winds have on climate?
Global winds drive heated air from the equator to the poles. It also drives colder air from the poles to the equator.
If earth did not rotate how would air at the equator move?
Without Earth's rotation, the air at the equator would move from high to low pressure in a straight line towards the poles. This is because air moves from areas of high pressure to areas of low pressure, creating a simple north-south airflow pattern.
How does differences in air pressure puts air in motion?
The difference in air pressure causes wind, air motion, because the greater the pressure difference the faster wind moves. Warm air is less dense, it moves toward or up to the poles. at the poles it will sink and the cold air will go to the equator creating the moment of of air.
Air is warmer and less dense than surrounding air at the equator because the equator receives more?
solar radiation throughout the year. As a result, air at the equator is heated, causing it to rise and creating low pressure. This warm air then moves towards the poles, where it cools, becomes denser, and sinks back towards the surface.
Does warm air rise to the poles?
yes
Where does the general flow of air from the poles to the equator occur?
in the stratosphere
Where does general flow of air from the poles to the equator occurs?
in the stratosphere
