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Strange as it may seem, liquid water is more dense than ice. That's why ice cubes
float in your drink, and icebergs float in the ocean.
It's also the reason why a frozen lake or pond is able to thaw at all. If ice were more
dense, then only the top of the frozen lake could ever thaw, because the ice lower down
could never float up to the surface to be melted by the sun.
Pretty lucky for human life on earth, eh ? Makes you think.
What else can I help you with?
Why do some item float higher on the water than other?
It depends on the density on the item. The density of water is 1.0 so if the density of the item is lower then that it will float, if the density is greater then that, then the item will sink.
Is petrol density higher than water density?
No, the density of petrol is lower than the density of water. Water has a density of 1 g/cm³, while the density of petrol is around 0.75-0.85 g/cm³.
What can you infer about density of a substance floats in water?
If a substance floats in water, it is less dense than water. This means that its mass per unit volume is lower than that of water. Substances with lower density will float on top of substances with higher density.
Does freshwater have a lower density than salt water?
Yes, fresh water has a slightly lower density than salt water.
How could you tell if a liquid has a higher or lower density than water?
If a liquid does not mix with water and you pour a little water on the liquid, then if the water sinks, the water has a higher density than the liquid; otherwise, the liquid has a higher density. If a drop of the water dissolves in the liquid, then you weigh an equal volume of both liquids. The heavier one has the higher density.
What has a higher density cold or hot water?
Cold water has a higher density than hot water. As water cools, its molecules come closer together, increasing its density. Conversely, hot water molecules are more spread out, resulting in lower density.
Why do things float in salt water?
It's all about density.Salt water has more density than regular water. Lower density floats on higher density
Why do some objects float in water and others don't?
Objects float in water if they have a density lower than water, while objects sink if they have a density higher than water. Density is a measure of how much mass per unit volume an object has. This is why objects like wood and plastic, which have lower density than water, tend to float, while objects like metal, which have higher density, tend to sink.
Which one has the lowest density mineral water air water or salt water?
Salt water has a higher density than both mineral water and air. Mineral water has a lower density than salt water but higher than air. Therefore, air has the lowest density among the three.
Should a material have a higher or lower density to float in water?
A material needs a lower density than water to float in water. Ships float in water because their average density is lower than water. The average density includes the steel hull and the air inside the hull.
What of a mineral will determine if it floats or sinks in water?
The density of the mineral compared to the density of water will determine if it floats or sinks. If the mineral has a lower density than water, it will float; if it has a higher density, it will sink.
How can you use density to determine if an object will sink or float a fluid?
If the density of an object is lower than water then it will float, if the density is higher it will sink.
