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
Follow the Polar Expedition is a booklet designed for students to help them learn about the 2012 Chukchi Sea Offshort Monitoring in the Drilling Area (COMIDA) Hanna Shoal Ecosystem Study with PolarTREC teacher Deanna Wheeler. The expedition is August 5-25, 2012, aboard the U.S. Coast Guard Cutter.
The booklet has terms used on the ship as well as several activities
This lesson allows students to use online mapping tools to investigate global snow cover changes. Students develop a problem statement about global snow cover and then use mapping tools to investigate their problem or question.
Objective
Students will become familiar with the data and tools used to analyze snow cover changes in order to answer questions pertaining