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Why does ice float?

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ice floats in water because it is less dense. When water reaches the freezing point, it forms a crystal lattice structure that is greater in volume but has a lower density that liquid water.

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Midnight_L

Ice float because it's less dense and solid in liquid water

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It is less dense then water

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Because its less dense than water

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It is less dense than the water

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I think it is less dense/ salinity in water

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It's less dense (:

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Because it has a density of under 1.

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Tcaz86

It is less dense than water. The hydrogen bonds cause it to expand at freezing temperatures, which makes it less dense. Kammo is also correct, the hydrogen bonds are the reason the crystal lattice structure forms.

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becasue its light

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The common answer given is that "it is less dense than water". This only begs the question though. The more complete answer is a combination of Archimedes' Principle and Newton's laws of motion. If you need more details, I can elaborate. Otherwise, you may look this up.

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Okay, just in case you weren't satisfied, here is the complete answer:

Archimedes' Principle says that the buoyant force (the force that causes objects to float) is equal to the weight of the fluid that is displaced by the object once it is submerged.
In the case of liquid water, it happens to be more dense than it's solid counterpart -- ice. There are basically two forces at play: the buoyant force and gravity. Gravity acts downward and is proportional to the density of the object and its volume. As stated above, the buoyant force acts upward and is proportional to the volume of the submerged object and the density of the surrounding fluid.
This allows for three possibilities:

(1) density of the fluid > density of the object. This is the case where an object floats (ice in water is just one example). The gravitational force is not strong enough to overcome the buoyant force. Therefore, in this game of tug-of-war, the buoyant force wins and the object floats.

(2) density of the fluid < density of the object. This is the case where the object sinks. Drop a penny into a pool and it sinks. This is because copper is more dense than liquid water. The gravitational force is beating the buoyant force (yes, it is actually operating in this case) in this situation.

(3) density of the fluid = density of the object. This is a rare case, but it corresponds to when the object does not sink or float. Rather, it hovers. Take a water balloon and place it under water and let go. It will not sink or float. The tug-of-war between gravity and the buoyant force is not being won by either side.
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Phew!...
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That's great. I usually think of the density and the Archimedes principle, but had not thought of the 2 Law of Newton. Very good. Accolades.
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Gracias senor
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Less density and has icygen

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probably the shape, the weight,
think of water bugs
doesnt ice expand?

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Lower density than water

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Ice is less dense than water is. Making an ice cube in you drink float.

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probably because the water is denser then the ice

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Ice floats because it is about 9% less dense than liquid water. In other words, ice takes up about 9% more space than water, so a liter of ice weighs less than a liter water. The heavier water displaces the lighter ice, so ice floats to the top. One consequence of this is that lakes and rivers freeze from top to bottom, allowing fish to survive even when the surface of a lake has frozen over.

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because, density of ice is less than water.

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When water freezes the resulting crystals are less dense than water. The ice expands. Because ice is less dense than water it floats.

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Saying frozen water is more dense than water doesn't answer anything. Everything less dense than water floats in water. What we need to be answering is "How does freezing water cause it to lose density?"
Kathy Wollard explains it well here.
http://www.word-detective.com/howcome/waterexpand.html

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it's density is less than water

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cuz Chuck Norris wanted it to

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Because it's density is lesser than that of water.

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Why then do million pound steel ships float? could it be the same reason ice floats i.e. (displacement)??? does ice weigh the same as the water that was melted from it?

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because it is less dense

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It's less dense than water.

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because it is less dense than water when it freezes, u get wut im saying, dont you?

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Ice floats because it is less dense than its liquid form, water. Water is the only substance that has a solid actually less dense than the liquid.

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When water freezes,it becomes more dense than water because it becomes a neatly ordered pattern.

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less dense

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Ice floats on water because it is less dense.When water freezes to ice its density decreases.

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yes, because i wants TOO :) :) :) :) :) :D

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the density is 0.9, is Less than the water.

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Hanneth

It is less dense than water because it's molecules are more spread out.

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Ice floats because it is less dense than regular water. Maybe ice likes to float. Maybe it is like flying to them. I am talking Giberish again.

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