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Does the density of material change when the material expands?
No, the density of a material does not change when it expands. Density is a measure of how much mass is contained in a given volume, so even if the material expands and takes up more space, the total mass remains the same, resulting in no change in density.
Can you change waters density?
The density of liquid water is fairly constant across the range of temperatures. Liquid water is most dense at 4°C. At temperatures below that, water will expand slightly. When water freezes to form ice, it expands. Water vapor (steam) expands when heated.
Does density change when the size of an object changes?
No. A drop of water and a tankerful of it have the same density. But these are two different masses of the same material. If you have, say a piece of metal and heat it up so that it expands, and there is still the same amount of substance, then the density decreases as the substance expands. Water expands as it freezes; that is why ice floats in water.
When water is warmed from its freezing temperature to its temperature of maximum density it?
expands in volume and decreases in density. At the point of maximum density, water molecules are arranged in a hexagonal structure, causing the water to be most compact. Beyond this point, as water continues to warm, it expands and becomes less dense.
How does the temperature affect pressure measured in inch's of water?
Only by virtue of the change in density of water. As water expands with temperature rising its density falls slightly so the height of water for a given pressure will increase slightly.
What does water do when it freezes that is unusual?
It expands, which reduces its density.
Why when the water freezes the density goes down?
Its density goes down because when water freezes it expands.
How does the density of galaxies change as the universe expands?
As the universe expands, the density of galaxies decreases. This is because the space between galaxies increases as the universe expands, leading to a lower concentration of galaxies in a given volume of space.
When liquid water is warm its density?
decreases as it becomes less dense and expands. This is why warm water rises in cooler water.
When water becomes vapor does the density change?
Yes, the density of water changes when it is converted into steam because the molecules spread out and the volume expands to fill its container while the mass of the water remains the same. Since the volume increases and the mass remains constant the density greatly decreases.
Is it true ice floats on water because water expands when it freezes?
It is true that water expands as it freezes, but the reason it floats on water is because the density of solid water (ice) is less than that of liquid water. And the density of ice is lower because of the expansion (same mass/larger volume).
How does density change as the universe expands?
The density of what? Any metal, liquid, etc. will have the same density since density depends on mass and volume of the sample (not volume of the universe).
