5a.  Give a complete description of how someone can “suck” soda through a straw, and explain why the word “suck” is somewhat misleading in this context.

The term “suck” can be misleading due to what is happening scientifically. “Suck” is the opposite of what it actually sounds like, because it is proven to be physically impossible to pull a liquid. Sending liquid up through a straw is all about the pressure created. When you go to put your mouth on the straw you are creating a low pressure in the straw, which then forces the liquid up through the straw.

5b.  Give a complete explanation of how we the “pressure fountain” demonstration worked in class.

The “pressure fountain” demonstration in class allowed everyone to see the power that pressure can have. First the professor boiled a little bit of water in a glass bottle and then sealed it with a stopper and a thin glass tube (shaped like a straw) went through the middle of the rubber stopper. Then the bottle was inverted with the glass tube sticking in a beaker of water. When it was inverted, the water in the beaker started going up the straw because the pressure in the water started to build. This then lowered the pressure in the inverted bottle, which is also the bottle filling up, and the water, and then went through the glass tube moving to the lower pressure bottle. This is how pumps work.

https://www.weatherworksinc.com/high-low-pressure

https://weather.com/en-GB/unitedkingdom/weather/news/weather-high-low-pressure-explained

-These describe how high and low pressure affects all of the different weather changes.

http://www.scienceclarified.com/everyday/Real-Life-Physics-Vol-2/Pressure-How-it-works.html

-This describes the different pressure and forces and also talks about how to calculate pressure.

https://science.howstuffworks.com/transport/flight/modern/hot-air-balloon5.htm

-This gives an explanation how pressure works and talks about how hot air balloons function by pressure.