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Generally speaking, a denser substance will sink in a less dense substance. Assuming standard temperatures, since aluminum has a density of about 2.7 grams per cubic centimeter and water only has 1 gram per cc, aluminum would sink. A thin aluminum foil could float by virtue of the surface tension on water (but if submerged, will sink). An aluminum boat would float because it displaces a greater mass of water than its own weight.

An aluminum block could also float on a liquid of higher density than the aluminum.

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10y ago
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14y ago

Aluminum foil can sink and float depending on how you place it in the liquid.

If you crumple aluminum foil into a tight ball, it will sink, but if you fold the aluminum foil into a boat-like structure, it will float.

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11y ago

Aluminum can either float or sink depending upon its shape. Aluminum is denser than water, so it will sink if it is surrounded by water, but if it encloses an amount of air, then the average density of the aluminum and the air that it encloses can easily be much less than that of water. That's why you can make a canoe out of aluminum.

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10y ago

Aluminum will sink in water because its density (2.7g per cc) is greater than water (1.0g per cc). The reason an object sinks is that it displaces less mass (by virtue of its volume) than it weighs. A boat floats because it displaces more mass in water because of the volume of its hull than it weighs.

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12y ago

a crushed piece of aluminium foil sinks because it has a smaller surface area. the force of buoyancy acting on it is less and the force of gravity is more. this causes it to sink.

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12y ago

Assuming you mean "float or sink" in water, aluminum sinks.

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Q: Does aluminum sink or float in water and why?
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Will a lump of aluminum sink or float?

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Does aluminum powder float or sink?

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Wood will. A solid block of aluminum will sink. Things float when their density is less than water. There are some woods that sink.


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Why can aluminum float?

Generally speaking, a denser substance will sink in a less dense substance. Assuming standard temperatures, since aluminum has a density of about 2.7 grams per cubic centimeter and water only has 1 gram per cc, aluminum would sink. A thin aluminum foil could float by virtue of the surface tension on water (but if submerged, will sink). An aluminum boat would float because it displaces a greater mass of water than its own weight. An aluminum block could also float on a liquid of higher density.


Whould an aluminum ball sink or float?

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Is aluminum foil float on water?

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Will aluminum powder float or sink in water?

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