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Why do less dense liquids float on water?

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Why does the alcohol float on the oil? They should conclude that the alcohol floats because it is less dense than the oil. Why does the water sink in the oil? Water sinks because it is more dense than oil. Explain that, just like solids, liquids are made from atoms and molecules, which have a certain mass and size. read more

Like most things that float, ice floats because it is less dense than liquid water. Ice is about 9% less dense. When ice forms, it takes up about 9% more space than it did as a liquid. Thus, a 1 liter container of ice weighs less than a 1 liter container of liquid water, and the lighter material floats to the top. read more

Olive oil is not more dense than water; that’s why vinaigrette separates into two layers with the oil on top of the vinegar (water). You would float higher in a denser liquid, for example the brines of the Great Salt Lake or the Dead sea. read more

Explain. Yes, the water is the most dense and sinks in the oil. The alcohol is the least dense and floats on the oil. Explain Compare the density of water, alcohol, and oil on the molecular level. read more

Encyclopedia Research

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Water. - ppt video online download
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Further Research

Amazing 9 Layer Density Tower
www.stevespanglerscience.com

Density—Sink and Float for Liquids
www.middleschoolchemistry.com

Density—Sink and Float for Solids
www.middleschoolchemistry.com

Floating and Sinking
www.dkfindout.com