How can the ocean be colder than 0 degrees C, the temperature at which water freezes? As it turns out, the concentration of the particles (in this case, the ions from the salt) in ocean water lowers the temperature at which the saltwater will freeze. Students will learn how ocean water freezes at a lower temperature than freshwater by
This versatile activity was inspired by my own Antarctic voyage (Lollie Garay, Oden Expedition 07) and The Amazing Race. As my students followed the journey through the Antarctic Seas on a USGS map, I realized what a great opportunity this was for them to "see" where I was in a part of the world so foreign to us
Interview with Dr. Patricia (Tish) Yager of the University of Georgia conducted by PolarTREC teacher Lollie Garay after their PolarTREC expedition on the Oden in 2007. Dr. Yager and Ms. Garay discuss science and careers in science.