My favorite experiment. Quick and easy and very impressive way to illustrate the influence of temperature on water densities.
Today in the “introduction to oceanography” (GEOF130) we conducted my favorite experiment ever:
Cold water in one of the small bottles is dyed blue, hot water in the other small bottle is dyed red. Both are inserted in a jar filled with lukewarm water (movie below). Isn’t this beautiful? And you just wait until we add salt into the equation (and the water) next week!
Thermally driven circulation | says:
[…] melt, so I suggested they look at temperature differences for a change, and they ran the “leaking bottles” […]
Salt fingering – Mirjam S. Glessmer says:
[…] several other occasions where it, or its effects, can be pointed out, like for example when showing this experiment (see picture below), when talking about the hydrographic properties in the area of the […]
10 years of "Adventures in Oceanography and Teaching"! - Adventures in Oceanography and Teaching says:
[…] back to my first month of blogging, August 2013, we find a very familiar image (see below): This #KitchenOceanography experiment is also featured on the cover of my new book! […]