Information About Some of the Purposes of the Density Formula
There are very few people who have never heard the word “density” before. If, for example, you have ever been enrolled in a chemistry class or a physics class, there’s no doubt that the instructor talked about density on more than one occasion as the course progressed. It’s quite possible, though, that you still don’t fully grasp what density is or what the formula of density is. Luckily, there are guides like this you can turn to for help.
To start, the density formula is the mass of an object divided by it’s volume. At this juncture, you might be thinking that you’ll never have a reason to work with density in your everyday existence, but this might actually not be true. There are, as you’ll learn in the next section of this guide, a large number of practical applications for the formula of density. While you might not use all of these applications in your personal life, you will undoubtedly run across some of them on a regularly basis or, at the very least, periodically.
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A very famous use of the density formula has to do with buoyancy. Legend goes that Archimedes of Syracuse was called upon to determine if King Hiero II’s new crown contained all of the gold he had given the goldsmith; he apparently thought the smith might have stolen some for his own purposes. To make a long story short, Archimedes discovered that the crown’s volume could be figured by the mass of the water it displaced when it was put into a tub. The volume, in turn, was used to determine the density, as per the density formula.
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The Seasonal Stratification of Lakes Can Be Studied
Water has a density maximum of 4 degrees Celsius. In all lakes but the most shallow, the water is generally stratified so that the densest water settles at the bottom and does not really mix with the less-dense water toward the surface. When fall and winter arrive, cooling lake waters, the denser water that stayed at the bottom all spring and summer rises to the top, restoring nutrients and preparing the lake for the following year.
Lava Lamps Were Engineered Around Density
Lava lamps, which can also be referred to as fluid motion lamps, enjoyed a huge amount of popularity in the 1970s and are still popular these days. The formula of density plays a huge role in how these light fixtures work. The oil that is used to fill the lamps is slightly denser than the water, causing blobs of water to move up and down when the oil is heated via the use of a lightbulb.