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Do convection currents form in the mantle when heated materials become more dense?
Wiki User
∙ 12y ago
Actually, heated materials are less dense. When heat is applied to a substance such as liquid, it becomes less dense. It is this less dense and heated material that rises because it weighs less. The part of the mantle that is more dense would be any substance that is cooling and is sinking down.
Wiki User
∙ 15y ago
Yes, convection currents form in the mantle due to the heating and cooling of material, which causes density differences and drives the movement of material. When material in the mantle is heated, it becomes less dense and rises, while cooler, denser material sinks, creating a circulation pattern known as mantle convection.
Wiki User
∙ 12y agoNo, a heated material becomes less dense and if it is less dense than surrounding material it will rise.
Wiki User
∙ 12y agoYes.
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Convection occurs because heated material becomes what?
Convection occurs because heated material becomes less dense and rises, while cooler, denser material sinks. This creates a circular motion of fluid or air to transfer heat.
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Shrinkage percentage of rubber when heated and cooled?
Rubber typically shrinks about 5-10% when heated and then cooled. This shrinkage is due to thermal contraction and the relaxation of internal stresses within the material. The amount of shrinkage can vary depending on the type of rubber and the specific heating and cooling conditions applied.
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Does mantle material rise in convection currents because heated materials become more dense?
no
Can you use convection in a sentence?
It was heated by convection currents
What is the liquid in the pot is being heated by?
Convection currents from the stove or microwave.
How is air heated near the earths surfaces?
It's heated through the convection currents.
What is convection result of?
currents caused by the motion of heated molecules
Which diagram correctly indicates why convection currents form in water why water is heated?
which diagram correctly indicates why convection currents form in water when water is heated
If a pot is no longer heated when will the convection currents stop flowing?
the currents would stop as soon as the heated substace has cold completely.
How are currents that form in heated air similar to currents that form in heated water?
Currents that form in heated air are similar to currents that form in warm water because heated air goes up and cold air goes down creating convection currents.
What occurs as result of convection currents?
currents caused by the motion of heated molecules
What happends to convection currents when the liquid or gas is no longer heated?
It falls back down
Is it true molten material in the asthenosphere rises in convection currents because heated materials become more dense?
Actually, hot, less dense material rises, and cold, denser material sinks. Denser material will be heavier (per unit volume) and gravity therefore pulls it down. Less dense material has buoyancy and rises. It's very logical.
What forms when heated air expands and cooler air sinks below the warmer air?
Convection currents
