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How do temperatures of the atmosphere change with height and explain why?
In the Earth's atmosphere, temperatures generally decrease with height in the troposphere, which is the lowest layer, due to the decrease in pressure and density, leading to less heat retention from the Earth's surface. However, in the stratosphere, temperatures increase with height because of the absorption of ultraviolet (UV) radiation by the ozone layer, which warms this region. This pattern of temperature change is primarily influenced by the absorption and distribution of solar energy, as well as the physical properties of air.
What gradient continues to decrease as you increase in altitude?
Air pressure.
What increases when air cools?
When air cools, its density increases because cooler air is denser than warmer air. This results in a decrease in volume, as cooler air contracts. Additionally, the relative humidity can increase, as cooler air can hold less moisture, leading to the potential for condensation.
Does density vary with altitude?
Yes, density varies with altitude. In the Earth's atmosphere, as altitude increases, air pressure decreases, leading to a decrease in air density. This is primarily due to the lower concentration of air molecules at higher altitudes. Consequently, the density of gases, including air, decreases as one ascends into the atmosphere.
What powers hot air balloon?
Hot air balloons are powered by the flame from a propane burner that heats up the air inside the balloon, which lowers the density of the air inside by heating it up and accellerating the particles. Lower density (hot) air will rise above air with higher density (the air outside) which is why they have a height limit, as the average density of air goes down the higher you go.
Why does density of air decrease with increase in height?
The density of air decreases with an increase in height due to the decrease in pressure and temperature with altitude. As you go higher in the atmosphere, there are fewer air molecules present, leading to lower air density.
When the air rises does it increase or decrease?
When air rises, it expands and cools, which causes its density to decrease. Conversely, when air descends, it compresses and warms, which causes its density to increase.
How does the density of air increase or decrease?
By Removing or addng heat
What effect does air density have on the absorption and radiation of energy?
An increase in air density will mean a decrease in the absorption and radiation of energy. An increase of air density causes temperature and pressure to rise.
Air density decreases with elevation increase. Is there an equation to make this calulation?
as you increase elevation (height above sea level0the density of the air decreases.
Does air become lighter as the temperature rises?
noThe density decrease when the temperature increase.
Where is air density is greatest?
At the bottom of the troposphere
Why density of air decreases with increase in height?
The density of air decreases with increasing altitude because air at high altitudes is under less pressure.
Why does density decrease with height in the atmosphere?
Density decreases with height in the atmosphere because as you go higher, there is less air above pushing down on the air below, causing it to spread out and become less dense.
What changes more rapidly with height pressure or density?
Pressure changes more rapidly with height compared to density. This is because pressure decreases exponentially with height due to the decrease in the weight of air above, while density decreases more gradually with height as a result of the decreasing number of air molecules.
Why does a submarines density decrease when it pumps air out?
It doesn't pump air out; it forces water out of its ballast tanks to increase its buoyancy.
Why does the air temperature decrease with an increase in the height?
Air temperature decreases with height primarily due to the decrease in pressure and density of the atmosphere as altitude increases. As air rises, it expands due to lower pressure, which leads to cooling since expanding gases lose energy. Additionally, the Earth's surface absorbs solar radiation and warms the air directly above it, causing temperatures to drop with increasing height. This phenomenon is described by the environmental lapse rate in the troposphere.
