Answer the following question:Almost all rocks sink,but a type of rock called pumice floats. What would you say about the density of this floating rock compared to the density of water?
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Answer:
Density is a measure of how heavy something is compared to its size.
If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.
Density is a characteristic property of a substance and doesn’t depend on the amount of substance.
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Just because something has more mass (or is bigger) does not mean it is has a higher density. ... Pumice stone, unlike regular rock, does not sink in water because it has a low density. Pumice stone is igneous rock formed when lava cools quickly above ground (lava froth).
Explanation:
it's based on density is which is also low
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