name two materials which are lighter than water and two which are heavier than water
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name two materials which are lighter than water and two which are heavier than water
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Even though alumina layers increase the density of these materials, all of them remain lighter than water. Bauer's strongest material has a specific honeycomb internal structure and is coated with a 50 nanometre-thick (billionth of a metre) layer of alumina.
Sand is heavier than water when the volume of both substances is equal. The density of dry sand is between 80 and 100 pounds per cubic foot, whereas water is 62 pounds per cubic foot. The density of water depends on its temperature. ... Water is the most dense at 39 degrees Fahrenheit and less dense when it is frozen