Can water float on water?

Question

This is a scientific question. Meaning that this is for a Science Fair Project. Answer as adequately as you can

Also i am asking this from school.

Answer 1

Two answers:

1. Ice floats on water.

2. Heated water will float on top of cold water until the temperature stabilizes.

Answer 2

In it's liquid form, hot water is less dense than cold water. It's because of this that hot water will rise to the top (float), and the colder water to the bottom. The heat in the hot water is causing the particles to move more rapidly and collide with each other more often, making it less dense because of it's slightly increased volume.

Water can be frozen into ice (solid). Solids are normally denser than liquids, but ice has a unusually less dense structure created by hydrogen bonds. This is why ice also floats on water.

Answer 3

In two ways...

1. Solid water (ice) will float on liquid water.

2. Warm liquid water will form a layer over cold liquid water. I don't know if you would actually call this "floating", but it happens a lot and is very important in the oceans.

The density of water increases as the temperature drops until about 4 deg C, then is starts to decrease again. Water is a very unusual liquid in this respect. This is why ice forms on the surface and floats.

Answer 4

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RE:
Can water float on water?
This is a scientific question. Meaning that this is for a Science Fair Project. Answer as adequately as you can

Answer 5

Yes...ice and warmer water can float (be supported by) water...just as most answers said. But since this is a science fair project, perhaps you'd like a bit more...like what happens when warm water floats on cold water.

First of all, water temperature generally gets colder the deepr one goes. For example, at the bottom of the Marianas Trench, which is more than five miles deep, the water hovers near freezing. This results because sun light and sun warmed water virtually never reach that depth. There is nothing to warm water that deep.

But, and this is a big BUT, there are often temperature inversions as we go deep. That means, rather than getting colder, the water gets warmer for a limited number of meters deep. Then the water starts to get cold again as one goes down farther below the inversion.

That inversion, where the temperature is warmer, "floats" on top the colder water below it. So we have colder water above it and colder water below it. In other words, there is a kind of channel of warmer water within the inversion. And, the point of all this, sound is trapped in that channel.

Submarines make sound as they swim through the oceans. And sound is what gives them away to the enemy. So, to keep from being detected by the enemy who is listening for them, submariners look for and navigate into those temperature inversions in the oceans. That way the sound their submarines make is trapped inside the channels and never reaches the enemy's listening devices near the surface.

Answer 6

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Certainly. A less dense layer of water can be over a more dense layer of water. Let me give you two examples. First, freshwater is less dense than salt water, so a layer of fresh water can float over salty water. Once the concentration of salt becomes equal both layers because of mixing, the layers are indistinguishable. Second, warm water can float above cold water because warm water is less dense. The boundary between the two is called a thermocline. When the temperatures equilibrate, the layers become indistinguishable.

Answer 7

If temperature remains the same, density of water equals the density of water that is to be flaoted. If water is added to water carefully then the added water will float on the layer of water to which water is added.

Since the buoyant force is the same, it is in equilibrium position and hence the added water can be at any position inside the water when there is slight disturbance.
That is to say it will be in neutral equilibrium.

If one potion goes inside, then another portion will float on the surface of the ramining portion.

This is the basic reason that for other materials to float on water , the overall density [ Not actual density] of the material { for example ship} must be equal to the density of water.

Answer 8

Warm water floats on cooler water.

Answer 9

Like the two people above me, Ice... and that scientific explanation of hot and cold water. Ice is obvious, but when you go to a public pool even that other explanation becomes clear, depending on where you swim around.

Answer 10

Actually it can. Water is one of the few substances that in is solid state (ice) can float on its fluid state.