If you’ve ever taken a science class, you’ve probably calculated the density of an object, at least on a test. As a brief refresher, an object’s density is determined when its mass is divided by its volume. Even if you graduated from taking science classes long ago, there is obviously a reason you decided to read this guide. For some people, perhaps you included, scientific principles like density are just simply fascinating.
This guide is meant to teach you more about how density is used, particularly in everyday scenarios that you’re likely to encounter yourself. Bear in mind that you certainly don’t have to be done learning about density when you reach the final paragraph of this article; you can even buy full books that are dedicated to the topic of density uses. It’s great that you have decided to become a lifelong learner!
Density is the Cause of Oil and Water Not Mixing
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Just about everyone has heard the phrase “oil and water don’t mix” at one time or another. What a lot of people do not realize, though, is that oil’s density is the reason it floats atop water. This is proving to be quite useful for the scientists who are tireless working to improve oil spill clean-up protocols all over the world. Because oil stays slightly on top of water, certain beta systems are able to soak or scrape oil directly from the surface of the ocean. This technology is not yet finalized, but it is on its way.
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Density Is the Reason Icebergs Float
As hundreds and hundreds of years have gone by, numerous ships have found themselves sinking to the ocean floor because they hit icebergs. Certain historical wrecks are more well-known than others, but lots of people don’t realize that icebergs are still an issue today. Icebergs are made out of frozen freshwater, which does not have as high a density as the Atlantic Ocean’s saltwater. Since this is the case, icebergs float; as a general rule, though, just the tip can be seen, which is what is hazardous to sailors.
Density Throughout History
According to legend, Archimedes of Syracuse determined the formula for density when he was dispatched to find out whether or not King Hiero II’s new crown contained all of the gold he had set aside for it. It would seem that the king thought the goldsmith might have taken some of the precious metal for himself. The story concludes with Archimedes discovering that by sitting the crown in a tub of water, he could determine both its mass and its volume, and then, its density.