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When air expands or contracts type of temperature change it experience?
Wiki User
∙ 11y ago
When temperature rises, air expands and gets lighter. When temperature falls, air compresses and gets heavier. One of the rules about air temperature is that warmer air rises and cooler air falls.
Wiki User
∙ 8y ago
Wiki User
∙ 11y agoWhen any gas, such as air compresses it gets warmer. This is why when you see the weatherman say there is a high pressure system moving in, more than likely, the temps are going up as well.
This is why valleys tend to be warmer than the area around them. There is more pressure on the air, hence raising it's temperature ie. Death Valley.
Now on the other hand, if you have ever taken a can on compressed air such as the stuff to keep keyboards clean, and held the spray button down long enough, the can will almost get too cold to hold. This is the result of pressure going down.
It all works at the molecular level. This is the basic principle that air conditioners and refrigerators work.
Wiki User
∙ 8y agoAir inside a container (for example a ballon) expands when the temperature of the air increases. This is because the increase in temperature causes the air partials to have a greater energy, meaning they move with a greater velocity and as such exert more force on the walls of the container causing the container to expand. The opposite happens if temperature is decreased
Wiki User
∙ 15y agoadiabatic
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Why glass breaks due to temperature change?
Glass isn't really a solid - it's a 'super-cooled liquid' - sudden temperature change causes 'thermal shock' where the outer surface expands or contracts quicker than the rest of the glass - causing it to break.
How does Mercury within a thermometer change?
The temperature in a Mercury-based thermometer is read by the level of Mercury found in the thermometer. As Mercury heats up, it expands, therefore raising the level of the Mercury of which we see as a higher temperature. On the other end, as the temperature falls, the Mercury contracts and reads at a lower temperature.
What is the different about the two kinds of metal on the bimetallic strip of a thermostat coil?
When the two metals are heated or cooled through the same change in temperature, one of them expands or contracts more than the other one does. That's why, when they're glued back-to-back, the combined strip develops a curve in it when it's heated. It curves away from the one that expands more, and toward the one that expands less.
What increases in the volume of a substance when the temperature increases?
Heat water and the water expands. Freeze water and the water expands (burst water pipes in winter when it thaws).Heat metal and the metal expands. Freeze metal and the metal contracts.Therefore, in physics not everything is as one would expect!
What makes a liquid in glass thermometer sensitive to a small changes in temperature?
A liquid in glass thermometer is sensitive to small changes in temperature due to the thermal expansion of the liquid contained inside the glass tube. As the temperature increases, the liquid expands, causing it to rise up the calibrated scale of the thermometer. Conversely, as the temperature decreases, the liquid contracts, causing it to subside on the scale. This expansion and contraction of the liquid is highly responsive to even slight temperature variations, making it sensitive to small changes in temperature.
When air expands of contracts what type of temperature change does it experience?
adiabatic
What is the thermometric property used in a mercury thermometer?
Not just a property of liquid but of all matter. All matter expands when heated and contracts when cooled, in thermometers the liquid, usually an alcohol, expands when heated lengthening the little line.
Does plastic exspnd to temter changs?
Yes. Plastics don't have as large a size change in response to temperature changes as metals do, but everything expands and contracts at least a little.
What change takes place in the liquid inside a thermometer when the thermometer is placed into something cold?
The liquid in thermometers contracts when placed in something cold (and expands when placed in something hot.)
Why glass breaks due to temperature change?
Glass isn't really a solid - it's a 'super-cooled liquid' - sudden temperature change causes 'thermal shock' where the outer surface expands or contracts quicker than the rest of the glass - causing it to break.
Is hot glass cracking when placed in cold water a chemical or physical change?
Physical. The glass expands or contracts depending on temperature, when you put a hot glass into cold water part of the glass cools and contracts while some of it is still in it's hot, expanded state.
How long does take thermal expansion take?
You may need to rephrase the question. Thermal expansion is the amount a material expands or contracts under temperature change; expansion is instantaeous with temperature. When temperature is reached, so is expansion. It may take time to rach temperature, however.
How does Mercury within a thermometer change?
The temperature in a Mercury-based thermometer is read by the level of Mercury found in the thermometer. As Mercury heats up, it expands, therefore raising the level of the Mercury of which we see as a higher temperature. On the other end, as the temperature falls, the Mercury contracts and reads at a lower temperature.
What is heat strain?
heat strain or the thermal strain is caused due to the temperature changes. A solid body expands as the temperature increases and contracts as the temperature decreases.this causes the thermal strain. for a homogeneous and isotropic body the thermal strain is caused by change in temperature. thermal strain = coefficient of linear thermal expansion * change in temperature where the coefficient of linear thermal expansion gives the strain per degree of temperature.
Why are mercury used in thermometer?
because it expands and contracts in a nice linear way as the temperature changes, which makes it easy to use as an indicator.
What is the different about the two kinds of metal on the bimetallic strip of a thermostat coil?
When the two metals are heated or cooled through the same change in temperature, one of them expands or contracts more than the other one does. That's why, when they're glued back-to-back, the combined strip develops a curve in it when it's heated. It curves away from the one that expands more, and toward the one that expands less.
How do winds winds move?
Air density is subject to change by temperature and altitude. When air experiences a large change in either temperature or altitude, it expands or contracts, creating motion in the air. When high pressure and low pressure systems meet, winds can grow exponentially, as warm air rises over cooler air.
