In Andrews class the other day we learned about properties of matter such as Pressure Buoyancy and Density. All three of these things are vitally important because say you have a trash bag. just a regular old trash bag but, if how decrease the density by raising the temperature it will float away! We did this in class by making floating candles it was fun and a good way to understand the properties of matter.
Density is the amount of mass per volume so mass/volume. So to change the density of something you should change the ratio, up or down depending on what your trying to do. Buoyancy is how much something will float wether its gas or a liquid. Buoyancy is determined mostly on the density of an object. Pressure is the sum of collisions of gas particles on the walls of a container.
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December 2016
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