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As a helium filled balloon rises in the air it becomes?
Larger (the air pressure is dropping as it rises).
What would cause the air parcel to expand as it rises?
As an air parcel rises, it enters areas of lower atmospheric pressure, which allows it to expand. The decrease in pressure results in a reduction of the external force acting on the air parcel, enabling it to expand. Additionally, as the air parcel rises, it cools, and if it contains moisture, this cooling can lead to condensation and cloud formation, further influencing its dynamics. Ultimately, the combination of lower pressure and temperature effects leads to the expansion of the rising air parcel.
Why air pressure decreases with an increase altitude?
there is less air above you, and the denser cold air sinks while less dense hot air rises.
How does the temperature of the air molecules change at each level of the atmosphere?
In the troposphere (lowest layer of the atmosphere), temperature generally decreases with increasing altitude. In the stratosphere, temperature increases with altitude due to the presence of the ozone layer. In the mesosphere and thermosphere, temperature decreases with altitude as the density of air molecules decreases and solar radiation becomes more influential.
What is the effect on relative humidity when the temperature of a body of air increases?
When the temperature of a body of air increases, its relative humidity decreases. Warmer air can hold more moisture, so as the temperature rises, the air can distribute the moisture more evenly and the relative humidity decreases.
Why does a partially inflated weather balloon expand as it rises?
As the weather balloon rises in altitude, the air pressure around it decreases while the pressure inside the balloon remains relatively constant. This pressure difference causes the gas inside the balloon to expand, increasing its volume and size.
What happens to the volume or size of a balloon as it rises in the air?
As a balloon rises in the air, the volume or size of the balloon increases. This is because the atmospheric pressure decreases as the balloon gains altitude, causing the air inside the balloon to expand and the balloon to inflate.
As moist air rises its temperature will what?
The air temperature rises when particles in the air begin to move faster. The energy of the motion of particles is called thermal energy.
When air pressure decreases the mercury in a barometer?
The mercury rises. The lower atmospheric pressure allows the mercury to drop in level.
Does water vapor cool or heat as it rises?
Water vapor cools as it rises because of adiabatic cooling, where air pressure decreases with altitude, causing the air to expand and cool. This cooling of water vapor can lead to condensation and cloud formation.
As a helium filled balloon rises in the air it becomes?
Larger (the air pressure is dropping as it rises).
How air get cooled?
Warm air rises....and when it rises it becomes cooler. ...If the pressure of surrounding air is reduced then the rising air parcel will expand. The molecules are doing work as they expand . This will affect the parcel's temperature.
How does density of the air change with altitude?
The density of air decreases when the altitude rises.
When air rises does it expand and cool adiabatically?
Yes, as air rises it expands and cools adiabatically due to the decrease in pressure at higher altitudes. This is known as adiabatic cooling, where the temperature of the air decreases without any heat exchange with its surroundings.
Which occurs when air is compressed A. Air Temp rises and air molecules move faster B. Air temp decreases C. Air temp decreases and air molecules move faster D. Air molecules move slower?
A. air temperature rises and air molecules move faster
Why does condensation occur when moist air rises?
Condensation occurs when moist air rises because as air ascends, the atmospheric pressure decreases, causing the air to expand and cool. When the air cools, it reaches its dew point temperature, causing water vapor to condense into liquid water droplets, forming clouds.
What happens to air pressure as it rises in the atmosphere?
As air rises in the atmosphere, air pressure decreases. This occurs because the weight of the air above decreases with altitude, leading to lower pressure at higher elevations. Additionally, the expansion of air as it rises contributes to the reduction in pressure, as the air molecules spread out further in the lower density environment.
