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Why do most materials become less dense as their temperature increases?
Wiki User
∙ 13y ago
I believe it has something to do with molecules. Heat is caused by the molecules of an object rubbing against each other and causing friction, which is heat. As they do this, they slowly spread the edges of whatever the material is in order to have more room to move. This changes the size of the material, but the amount of molecules remains the same, leaving the material less dense than it was before.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoWiki User
∙ 15y agoGenerally, as things cool, the molecules that make them up move closer together and become more compact.
Wiki User
∙ 14y agoSolids shrink when they are cold because the atoms are frozen close together.
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How does the color of dense materials change with temperature?
The force of gravity affects nearby light, causing a change in temperature.
How does the temperature affect air pressure?
Answer:Rising temperature results in lowering air pressure and vice vesa.
What layer of the earth contains dense materials like iron and nickel?
the mantle contains the most dense materials because it is the largest of the layers
Why is the inner core in solid state despite the high temperature?
The inner core is solid because it is made of very dense, or heavy, materials - like iron and nickel. Even though it is very hot, these materials don't melt very easily, so they stay solid. Answer 3: It turns out that many materials can be a solid at a higher temperature if the pressure is also higher.
What water temperature increases density of ocean water?
When the ocean water freezes, it increases the salinity. When the ocean water freezes at the surface, ice will float on top of water because ice is less dense than liquid water. The dissolved solids are squeezed out of the ice and enter the liquid water below the ice. This increases the salinity of the water. The density of the water also increases.
Why do most materials become less dense as their temperature is increased?
because their monocles separate causing less density per cubic inch.
If the mass of a fixed volume of air increases does the density become more or less dense?
less dense
How will you make the refrigerated water less dense?
The density of materials depends on the temperature.
How does the color of dense materials change with temperature?
The force of gravity affects nearby light, causing a change in temperature.
What causes air to become more dense?
the lower the temperature gets the more dense the air becomes.
When the temperature increases what happens to the density of water?
When the water gets warmer the water becomes less dense.
Does temperature affect the physical properties of matter?
Yes! Increasing the temperature increases the kinetic energy of molecules by vibrating the bonds between atoms. The increase in energy causes the substance to become less dense meaning the particles are more spread out. For example, a solid is the coldest form of a substance so it is the most dense. On the other hand, a gas is the hottest form so is the least dense. Hope this helps!
Why does the air become less dense as the altitude increases?
Because there is less air above, pushing down.
Does mantle material rise in convection currents because heated materials become more dense?
no
Why does the warm air rise upward over the cold air?
This effect occur because warm air is less dense. The higher the temperature the less dense it becomes. As temperature increases, so does the kinetic energy of the particles in the substance.
What effects air pressure and density?
Volume and Temperature. Higher temperature increases pressure and decreases density. Lower temperature decreases pressure and increases density. (Except with water, in which case ice is less dense than liquid water. [Keep in mind that vapor is still less dense than liquid and follows the rules.] This is the only exception known to me). Higher volume decreases pressure and increases density. Lower volume increases pressure and decreases density.
How does temperature affect the atmospheric pressure of a place?
when temperature of air increases it becomes less dense and expands rising up which causes the pressure to drop
