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One reason air pressure increases at lower altitudes is because?
air (gas) has mass therefore it is affected by gravity. the "deeper" the air the higher the pressure. just like the oceans....
What kind of weather does low pressure system bring?
Low pressure systems contain a lot of moisture. These systems usually bring stormy wet weather. There are typically a lot of clouds with a low pressure system.
Why do you cool down more slowly on a humid day than when air is dry?
The answer to this is related to partial pressure of water. When humidity is high this means that there is a lot of water suspended in the atmosphere. This means that water in liquid form will not tend toward evaporation into it's gas phase but will stay as liquid. For more information on partial pressures see: http://en.wikipedia.org/wiki/Partial_pressure
Can air be pressed?
Air can be compressed, which means reducing the volume it occupies. When air is compressed, the molecules are pushed closer together, increasing the air pressure. This is commonly seen in everyday items like air pumps and compressors.
Which has greater air pressure cold air or warm air and why?
Warm air has less pressure because since the molecules are hot they need to move around, A LOT. Making extra space between molecules. Cold molecules however are the exact opposite. They tend to move less and come together more often, thus making the area in cold air so pressurized. This is noticable on how it is more difficult to breathe in winter than in a perfectly warm spring of summer day.
Why does air pressure increase at lower altitudes?
Air pressure increases at lower altitudes because there is more air above pushing down on the air below. This higher pressure near the ground is due to the weight of the air column above pushing down on it. As you move higher up in altitude, there is less air above pushing down, resulting in lower air pressure.
What place has a lot of air pressure?
Forests.
Why doesn't air pressure pull you down?
Over the height of a human, say, the pressure will be equal in all directions. Even so, even if there were a net downward pressure of the air, this will be a lot less than the gravity attraction on your mass. And, most seem able to withstand gravity.
Why does the air in a balloon pass through the balloon into the surrounding air when it goes flat?
Pressure. You are describing a blow-up balloon, not a hot-air balloon. In a blow-up balloon, you put a lot of air in it and it is under pressure. It is under more pressure than the air around it. That means the air inside is pushing to get out. Actually, to be technical, the air on both sides is happy to go to the other side, if possible, but the pressure causes more air to leave than comes in. Once the air starts to leave, the pressure goes down and the balloon deflates. Once the pressure is the same inside and out, it will look flat.
What is high pressurs?
If you mean by air pressure, High air pressure is how much air there is upon you. IF you were on the death valley, you would have lots of air pressure. If you were on a mountain, there would be little air pressure. If there is high pressure, there is good weather If you mean the other pressure, then it is this. If there is a lot of pressure, then you are intimidated, and there is lots of people looking at you. Visa Versa for low pressure.
The pressure in the deepest parts of the ocean is roughly how many times the usual air pressure you experience?
The pressure in the deepest parts of the ocean can be over 1000 times greater than the usual air pressure you experience at the surface. This immense pressure is caused by the weight of the water above pushing down on the seabed.
When is air pressure greatest?
According to the ideal gas equation, PV=nRT, air pressure is greatest in systems with low volume, high temperature, and of course a lot of air.
Why does low pressure air rise and high pressure air sink?
Low pressure air rises because it is less dense than the surrounding air at higher pressure. As air rises, it expands and cools, causing it to become even less dense and continue rising. Conversely, high pressure air sinks because it is denser than the surrounding air at lower pressure. This sinking motion creates areas of higher pressure at the surface.
What does it mean to have a feeling of weights on your shoulders?
That you have a burden or a lot of pressure weighing down on you.
What happens to pressure at the top of a high mountain?
At the top of mountains, the air pressure is lower than at sea level. Why is this? Because when you think about it, you have a lot more air pushing down on you from the atmosphere than when you're at the top of, let's say, Mount Everest.The air pressure at sea level is 14 lbs per square centimeter (man, that's scary!) while at the top of a mountain it would be much, much lower.
Why is the atmospheric pressure at the top of mt Everest 5 lbin squared much less than the atmospheric pressure here on earth 14.7 lbin squared?
The atmospheric pressure is caused by the weight of the air on top of us. At the top of mount Everest, there is less air above the exhausted climber (because a lot of the air is below). Less air, less weight, less pressure.
One reason air pressure increases at lower altitudes is because?
air (gas) has mass therefore it is affected by gravity. the "deeper" the air the higher the pressure. just like the oceans....
