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What is The movement of heated material due to differences in density?
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What is the continuous flow that occurs in a heated fluid because of differences of temperature and density?
convection current
How does the volume and density of a substance change when it is heated?
The volume of a substance increases when heated, causing a decrease in density.
Movement of a fluid when part of it is heated is?
convection
What does density have to do with convection?
Things with a lower density will float on things with a higher density. If you take a fluid (air or water) and heat it, the portion that is heated usually expands. The same mass takes up more volume and as a consequence the heated portion becomes less dense than the portion that is not heated. Get it? Hope you do!
When the air in a balloon is heated what happens to the density?
it becomes low
How does the temperature and density drive the convection currents in the mantle?
Temperature differences in the mantle drive convection currents because warm material is less dense and rises, while cooler material is more dense and sinks. This movement creates a circular flow as the cooler material sinks and gets heated, while the warmer material rises and cools down. The density variations caused by the temperature differences are a key driver of convection in the mantle.
What is the movement of heated materials upward and the movement of the cooled material downward called?
Convection
What is the movement in both the Earth's engines of heated material upward and cooled material downward an example of?
convection current
What is the continuous flow that occurs in a heated fluid because of differences of temperature and density?
convection current
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 material is heated up and cooled down causing density changes and movement of material?
I suspect the right answer would be a fluid: liquid or gas. Water is simply an example. The question is so tangles it's not easy to understand what its writer wishes to know, but appears to cite convection currents.
How does the volume and density of a substance change when it is heated?
The volume of a substance increases when heated, causing a decrease in density.
How does air mass forms?
The Sun's heat causes air masses to form and circulate in the atmosphere. This movement creates differences in air pressure, which in turn, creates winds. Air moves horizontally because of differences in pressure. When air is heated, the air expands, the density decreases, and the air rises. When air is cooled, the air becomes more dense and sinks.
What happens to the density of a heated iron block?
The density will decrease because the heated metal contracts and its particles slow down.
What happens to the density of objects when the get heated?
Raising the temperature the density is lowered.
Rubber is heated what happens to it's density?
It's density will decrease.
How does the density of most substances change when they are heated?
generally, the density of a substance decreaces when heated, with the exception of ice, which is less dense than water.
