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The air pressure at low altitudes is greatest due to the force of Earth's gravitational pull on the atmospheric gases. The air closest to the center of the Earth is pulled more by gravity and is thus more compact than that in the higher altitudes. This compressed air is more pressurized since the gas molecules are closer together and undergo a myriad of collisions with one another.
At higher altitudes, water boils at a lower temperature than at sea level. This is because the air pressure is much lower and can be more easily overcome by the water molecules. Vapor pressure, or the pressure at which water evaporates, is lower and this means that the temperature at which the water becomes water vapor is lower as well.
While most of the first answer is correct, the relative distances from the center of Earth vary too little to be consequential. Just as in water, air at lower altitudes is compressed more simply due to the weight of all the air that's on top of it.
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What is the relationship between altitude and air pressure and amount of oxygen?
The higher you go, the lesser the air pressure becomes. This can be logically understood. Atmospheric air pressure is caused by the weight of the air above it. At greater heights, the amount of air above you is less, so there is less weight pressing on the air you are in. This is the reason why the atmospheric pressure is higher at the sea-levels and lower at mountains and places of high altitudes.
What is the relationship between altitude and atmospheric pressure?
the relationship between atmospheric pressure and altitude is the higher you go, the lesser the atmospheric pressure becomes. if the air above you is less, then there is less weight being pressed upon the air you are on. anonymous boy from small heath school y8 2011
What is a Space-time curve?
Space time curve is like the layers of the Earth the atmosphere has a lesser curvature than the oceans, the ocean floors have a greater curvature than the oceans, the mantle has a greater curvature, the core has the greatest curvature.The greater the curvature of space,the slower time goes relative to the time passing,in a lesser space-time curvature.If one was to go into a greater curvature of space, you wouldn't notice a slower pace of time, but things may appear farther away,as it would take more of your time to get there.
Why the fluid will flow from a region of higher pressure to one of low pressure?
No. Gas flows from High to Low. This can be demonstrated by blowing up a balloon and then releasing the open end. The gas within the balloon is at a higher pressure due to the stretched rubber attempting to resume its original size. When you release the open end, the high pressure gas escapes to the low pressure outside of the balloon. Gas, like water, always seeks to achieve equilibrium.
What is made of tiny bits of rock and covers the land in most places?
Soil is made up to a greater or lesser extent of rock fragments (along with organic material)..
Is the speed of sound greater or lesser different altitudes?
It changes depending on the altitude so at some altitudes the speed of sound is greater and at others it is less.
How are density pressure and altitude related?
The higher you go, the lesser the air pressure becomes. This can be logically understood. Atmospheric air pressure is caused by the weight of the air above it. At greater heights, the amount of air above you is less, so there is less weight pressing on the air you are in. This is the reason why the atmospheric pressure is higher at the sea-levels and lower at mountains and places of high altitudes.
Is there a greater or lesser air pressure on top of the wing when lift occurs?
There has to be lesser air pressure on the top of the wing to provide lift.
What is the difference between greater and lesser Hajj?
The greater Hajj refers to the pilgrimage to Mecca known as Hajj, which is one of the Five Pillars of Islam and is mandatory for all Muslims who are physically and financially able to perform it. The lesser Hajj is known as Umrah, which is a shorter pilgrimage to Mecca that can be performed at any time of the year and is not obligatory but highly recommended.
Why does atmospheric pressure varies from place to place?
Atmospheric pressure varies due to elevation (altitude) and because of the motion of air masses over the surface. For altitude differences, the pressure is the result of the surrounding air. Higher pressure is experienced at lower altitudes just as higher pressure is found in greater depths within a body of water. A simple explanation is that the "column of air" above a surface "pushing down" is much shorter if you move higher into the "sea of air." This lower weight is expressed as lower pressure, which represents fewer molecules within a given volume of air. The higher the altitude (eg. mountains) = The lesser the atmospheric pressure The lower the altitude (eg. sea level) = The higher the atmospheric pressure
Why is air pressure different at various places on earth?
Atmospheric pressure varies due to elevation (altitude) and because of the motion of air masses over the surface. For altitude differences, the pressure is the result of the surrounding air. Higher pressure is experienced at lower altitudes just as higher pressure is found in greater depths within a body of water. A simple explanation is that the "column of air" above a surface "pushing down" is much shorter if you move higher into the "sea of air." This lower weight is expressed as lower pressure, which represents fewer molecules within a given volume of air. The higher the altitude (eg. mountains) = The lesser the atmospheric pressure The lower the altitude (eg. sea level) = The higher the atmospheric pressure
Does air pressure change with altitude?
The higher up you are the lesser the air pressure in the atmosphere.
Why do the boiling point of water decrease on climbing up the higher altitude?
Water usually boils at 212F or 100C at sea level. As you go higher up in the atmosphere (higher altitude), the amount of atmosphere pushing down on you decreases, hence the pressure decreases. Water boils when the vapor pressure of the water equals the atmospheric pressure. Vapor pressure increases with increasing temperature, so when there is less atmospheric pressure, a smaller vapor pressure is required to get the water boiling, hence a lower boiling temperature.
How does reducing the volume of gas affect its pressure if the temperature of the gas and the number of particles are constant?
The pressure is now higher.
What is greater than and lesser than?
Greater than > Lesser than <
Why does water boil at a lower temperature on a mountain than sea level?
The boiling of any liquid is tied in to the atmospheric pressure, in an open system. Every liquid has it's own vapor pressure, that is the balance between the vapor and liquid phase. When atmospheric pressure decreases, the vapor pressure increases since now there is greater space for the molecules of the liquid to come into vapor phase. At higher altitudes, the atmospheric pressure is lesser, that is, the air is thinner. Thus the liquid can attain higher vapor pressure faster and boil at a lower temperature.
How does reducing the volume of a gas affect its pressure if the temperature of a gas and the number of particles are constant?
At a constant temperature, the volume and the pressure are inversely proportional, that it, the greater the volume, the lesser the pressure on the gas, and viceversa.
