“Pressure Underwater”
This video illustrates water pressure first by showing a bottle being crushed then water filling a jar.
“Balloon Animal Dog in a Vacuum Chamber”
This video shows what would happen if a balloon dog was put in a vacuum chamber.
“What are Centrifugal pump? Its Operating principle”
https://www.bing.com/images/search?view=detailV2&id=CBDC8DCA340EB80A32C7BCE0F91DF4E7BB6F21F1&thid=OIP.vQI5FoExSi2FO_kWkHuuRgHaE0&mediaurl=https%3A%2F%2F2.bp.blogspot.com%2F-_1kQG76yY5E%2FWTMGEIN0w6I%2FAAAAAAAAAd8%2F52MUfOagc3crkDNZ3TK0j3xxaSwHfPYWgCLcB%2Fs1600%2Fwww.pumpsandsystems.com.jpg&exph=1041&expw=1600&q=pump+diagram&selectedindex=16&ajaxhist=0&vt=0&eim=1,2,6
This picture is a diagram of a centrifugal pump, and it shows all the different parts.
“How do water towers work?”
https://www.ehow.co.uk/how-does_5147845_do-water-towers-work.html
Here is an article describing how water towers work. It talks about how the high-up water provides pressure to spread it throughout the other pipes.
