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When air is warmed up, its molecules move faster and faster and as a result they move further from each other. They still have the same mass, but they now occupy a larger volume. This means that its density is smaller.
The opposite when air is cooled off. The molecules slow down, get closer together, occupy a smaller volume and therefore its density is bigger.
When air is warmed up, it goes up. Once it's up there, is cools off and goes back down. Near the heated surface the air gets warmed up again, goes up, cools down, goes back down, and again and again.
That's called a convection cell.
What else can I help you with?
What direction does air above a heated surface move?
in a upward motion
How does air above a cold surface?
how does air above cold surface move
How does sunlght affect the desert?
Sunlight is absorbed by the surface of the desert and the surface is heated. The surface, in turn, heats the air above the desert.
How is air heated by conduction?
Air is heated by conduction when it comes into direct contact with a warmer surface, such as the ground or a heated object. The heat energy is transferred from the surface to the air molecules through direct contact, causing the air molecules to gain kinetic energy and move faster, increasing the air temperature.
How does heat move between the earth's surface and the air above it?
POOOOOOP
How does air above a cooled surface move?
Air above a cooled surface tends to sink as it becomes denser and cooler. This creates a downward flow of air which then spreads out horizontally, creating a circulation pattern known as a cold air drainage.
What happens to air pressure as you move higher above the earth surface?
The air is thinner the higher you go.
What happens to air pressure as you move higher above earths surface?
The air is thinner the higher you go.
How does air above a heated surface move?
When air is warmed up, its molecules move faster and faster and as a result they move further from each other. They still have the same mass, but they now occupy a larger volume. This means that its density is smaller.The opposite when air is cooled off. The molecules slow down, get closer together, occupy a smaller volume and therefore its density is bigger.When air is warmed up, it goes up. Once it's up there, is cools off and goes back down. Near the heated surface the air gets warmed up again, goes up, cools down, goes back down, and again and again.That's called a convection cell.
How does the number of particles in the air change as you move higher above the earth's surface?
1000
The air just above the ground is heated by what from the ground?
The air just above the ground is typically heated by conduction, as the ground absorbs heat from the sun and transfers it to the air molecules in direct contact with the ground surface. This process creates warm air near the surface, which then rises due to its lower density compared to the surrounding cooler air.
Why do heated air masses above the equator move north and south to cooler areas?
Heated air masses above the equator and is moved due to the rotation of the earth on it's axis. This actual helps to deflect the movement of air over diffrent parts of the planet creatomg global patterns of prevailing winds distributing heat and moisture in the atmosphere.
