Tuesday, February 12, 2008
Body Pargraph 1
Initially, our group roamed around the web searching for ideas and plans for cannons, and in accordance with Boyle’s Gas Law, which states that at constant Kelvin temperature, the pressure of a gas is inversely proportional to the volume, which led us to create a cannon with a small volume. Furthermore, after viewing the research we created a graphic organizer in which we had many ideas but one prevailed over all, a cone shaped funnel with a top chamber that would hold the ball. This idea seemed to be the best of the beginning ideas considering the fact that it would minimize volume, maximize pressure, and channel that pressure into one spot, the ball. In accordance with Boyle’s Gas Law, our group knew that if we were to decrease the volume we would inversely increase the pressure which was why we made a small bottom chamber to create a stronger propellant. Creating a stronger propellant would be the deciding factor in how far our cannon shot the ball which is why we researched the volume – pressure ratio. In conclusion, Our group saw through meticulous research, that Boyle’s Gas Law was a huge factor in the decision of our cannon making because we knew from this law that the smaller the volume the more pressure was exerted.
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