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What currents can form when liquids and gases are heated?
When liquids and gases are heated, they can create convection currents. In liquids, heated areas become less dense and rise, while cooler areas sink, creating a circular flow. In gases, heated air rises and cooler air sinks, generating vertical movements that mix and distribute heat.
When air transfers energy to a cooler object what happens to air temperature?
it decreases.
How is a room heated using convention?
A room is heated using convection when a heating source warms the air, causing it to rise. As the warm air rises, it creates a circulation pattern where cooler air is pulled in to replace it. This continuous cycle helps distribute heat throughout the room.
What would happen to a balloon if you filled it with cooler air and then placed it in the hot sun for an hour?
The cooler air inside the balloon would increase in temperature, causing it to expand and potentially burst the balloon. This is because gases expand when heated.
What currents are formed when liquids and gases are heated?
When liquids and gases are heated, convection currents are formed. With liquids, the heated fluid rises, cools down and then sinks back, causing a circular motion. In gases, warm air or gas rises and cooler air or gas sinks, creating vertical movements.
How do you think the density of heated air compares to the density of cooler air?
The density of heated air is less than the density of cooler air.
What happens to air as a stove heats it?
The air expands as it is heated this is due to the increased activity of the molecules composing the air. It also rises as its density is reduced compared to the cooler air in the room. The pressure of the warm air remains the same as that of the cooler air.
What happens when you heat air?
When air is heated, its molecules gain energy and move faster, causing the air to expand and become less dense. This expansion leads to a decrease in air pressure, as the heated air rises and cooler air moves in to replace it.
How does heated air move in a room?
Heated air in a room rises due to its lower density compared to cooler air. As it rises, it displaces cooler air, creating a convection current where air circulates from the heated source to colder areas in the room. This movement helps distribute heat throughout the space.
What happens if the ground is cooler than the air?
When the ground is cooler than the air you get fog.
When air is heated it rises this is because?
When air is heated, it becomes less dense and expands. Since warmer air is less dense than cooler air, it rises above cooler, denser air. This movement of warmer air creates convection currents, where the heated air rises and the cooler air sinks.
What happens to volume when air is heated?
It expands.
What happens to air's volume when it is heated?
It expands.
What happens if the air is heated?
global warming
What does air do when it is heated in convection?
When air is heated in convection, it becomes less dense and rises. As it rises, it displaces cooler air, which then becomes heated and rises as well. This creates a continuous cycle of warm air rising and cool air sinking, which is known as convection.
When air transfers energy to a cooler object what happens to the air?
it decreases.
Heated air that is lighter than surrounding air will do what?
Heated air that is lighter than surrounding air will rise, as it is less dense. This process creates convection currents, with cooler air moving in to replace the rising warm air.
