Why Do Some Objects Float While Others Sink
Olivia Luz
This mainly happens because of a phenomena known as buoyancy.
Objects that are more dense than water sink and those less dense float. Read more at easyscienceforkids. Please read question fully before answering. A gold ring rocks clothes are all denser than water and so they sink in water.
This is partly why huge heavy ships float. Why do some objects sink while others float. Everything displaces water equal to its volume. Because some things are more thick through than others this is called density if it is more dense than the water it will sink the same applies to all liquid if you put an iron bolt on mercury.
If it has less density the object floats. That is because whether an object sinks or floats in water doesn t just depend on its weight or size. Why do some things float while some others sink. It also depends on its density.
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On the other hand when the displaced water is less than the weight of an object it sinks. Hollow things often float too as air is less dense than water. Density plays a part in why some things float and some sink. Some objects that might have seemed sort of heavy like a wooden block probably floated.
Whether an object sinks or floats depends on its density and the density of the liquid into which it is placed. Wood paper leaves are less dense than water and float. Density is a measure of how solid something is. I know that the displacement of water needs to be equal to the weight of the object but then why do some objects like an anchor sink straight to the bottom regardless of how much water is present.
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