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Can Physics Really be Related to EVERYTHING?

Hannah29

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Since the first day of school, it was drilled into our heads that physics really is in everything. And when analyzing different sections of science, it made me a little skeptical if this was actually true or not. When looking at earth science, you see physics in things like what holds everything on earth (gravity) which then explains how sediment falls,etc. And in chemistry, we can see physics demonstrated in concepts surrounding energy and how/what that energy is converted into, etc. But when examining it from a biology stand point, I really questioned if there could be any physics in that section. Although these connections might not be as defined, after thinking about it more I can conclude that there is physics in this as well. For example, plants use a mechanism called capillary action in order to obtain the nutrients absorbed through there roots and move it into their leaves. With the use of water and it's special properties (cohesion & adhesion), the nutrients are able to travel through the stem to the leaves and move against gravity. Without gravity, the plants wouldn't need such a mechanism, and the nutrients probably wouldn't even be on the ground. We also see physics in biology through things like sound. The sound is created through vibrations that travel through the air into the ear. From there, it goes through the ear canal until it reaches the eardrum where it'll then pass the vibrations through the ossicles to the middle ear. This eventually will allow us to convert or associate those vibrations as sound and give us the ability to hear. Taking both AP Biology and Physics this year has allowed me to study two different sections of science. But it is definitely interesting and captivating to draw parallels across two seperate entities that you wouldn't think fit together. :geek:



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wow hannie! you did well!!! physics really is related to everything, AP bio and physics this year have both opened my eyes even more on how the world works. 

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Great blog post -- and for those going into medicine, fluid mechanics, a branch of physics, is extremely important!  (Think blood flow, capillary action, etc.)

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