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When hot and cold air meet the hot air rises to the top but which process causes the hot air to rise?
Hot air rises because it is less dense than cold air. As hot air heats up, its molecules become less tightly packed and therefore lighter than the surrounding cold air, causing it to rise. This process is known as convection.
What property causes a hot air balloon to rise?
heat
What source is used to fly hot air balloons?
Wind !... The balloons are filled with hot air, which causes them to rise. They are then at the mercy f the wind direction.
Which process caused rainwater to disappear in outside hot air?
The process that causes rainwater to disappear in hot air outside is evaporation. When rainwater is exposed to high temperatures, the heat causes the water molecules to gain energy and change from liquid to vapor, which then becomes part of the air.
Why the hot air balloon needs hot air to make it rise?
Hot air balloons use hot air because hot air rises above cold air. The air inside the balloon is heated above the temperature of the air outside the balloon. The warmer air trapped inside the balloon then causes the balloon to float above the outside colder air.
When hot and cold air meet the hot air rises to the top. Which process causes the hot air to rise?
Convection
When hot and cold air meet the hot air rises to the top but which process causes the hot air to rise?
Hot air rises because it is less dense than cold air. As hot air heats up, its molecules become less tightly packed and therefore lighter than the surrounding cold air, causing it to rise. This process is known as convection.
Which process causes hot air to rise?
Hot air rises due to the process of convection. As air is heated, it becomes less dense and more buoyant, leading it to rise above cooler, denser air. This movement creates circulation patterns that drive weather systems and air currents in the atmosphere.
When hot and cold air meet the hot air rises to the top Which process causes the hot air to rise?
The hot air rises due to convection, which is the transfer of heat through the movement of liquids or gases. When hot and cold air meet, the hot air expands and becomes less dense, causing it to rise above the denser, cooler air.
What property causes a hot air balloon to rise?
heat
Why is a hot air ballon examples of convection?
A hot air balloon is an example of convection because the process of heating the air inside the balloon causes it to become less dense and rise. This creates a convection current where the hot air rises and the cooler air around it sinks, allowing the balloon to float.
Who was driving the Hindenburg?
Because it gets filled with hydrogen and it causes it to rise since it gets how. As we know hot air rises. Because it gets filled with hydrogen and it causes it to rise since it gets how. As we know hot air rises.
What force brings a hot air balloon to earth after the hot air is let out?
Erm.. no.. i believe its Buoyancy... this force causes u the hot air balloon to rise.. not Gravity..
Why are hot air balloons able to rise into the air?
Hot air balloons rise because when the air inside the balloon is heated, it becomes less dense than the surrounding cooler air. This difference in density creates lift, causing the hot air balloon to float upward.
How fast does hot air rise in a natural convection process?
In a natural convection process, hot air rises at a speed of about 1-3 feet per second.
What kind of heat transfer causes a hot air balloon to rise?
The hot air inside the balloon is less dense than the cooler air outside, causing it to rise. This is due to the process of convection, where the warmer air rises as it is less dense and cooler air sinks to replace it, creating a continuous flow of movement that lifts the balloon.
What causes hot air to rise?
Hot air is lighter than cold air, so it rises up. Ex. A hot air balloon rises up because we heat the air and it goes up.
