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Density
Friday, April 2, 2010
The density of a substance is the mass per unit volume of a substance.  Density = Mass/Volume The SI Unit for density is kilograms per cubic metre. (kg/m³) A denser substance will sink and a less dense substance will float. One example is oil and water. As water is denser than oil, the oil will float on water. Dead Sea The Dead Sea is one of the world's saltiest bodies of water, containing 33.7% salinity. The Dead Sea has a lot of salt content that no animal can flourish in it. (Hence the name The Dead Sea) You will be able to see lots of white salt crystals around the shores of the Dead Sea. The salts in the Dead Sea is not the ordinary salt, but mineral salts. Why we are able to float in the Dead Sea is because of the extremely high concentration of dissolved mineral salts in the water that its density is way more than that of plain water. Credits: |
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Heather Lim
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Soh Jing Wen
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