Overview

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

Lesson
Arctic
About 1 period
High school and Up
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This is a one hour webinar is part of the Polaris Project 2012, conducted by Max Holmes and John Schade. In this session Andy Bunn, professor at Western Washington University, presents a lecture on the history and science of climate change.

Event
Arctic
About 1 period

This is a one hour webinar specifically for the participants of the Polaris Project 2012, conducted by Max Holmes and John Schade. In this session, a variety of team members present their scientific work.

Event
Arctic
Less than 1 period

This presentation is part of the Polaris Project Webinar Series preparing participants for the field season 2012.

Event
Arctic
Less than 1 period

This presentation is part of the Polaris Project Webinar Series preparing participants for the field season 2012. This is one of two lectures to view for Session Two. You need to also watch the Sobczak Presentation Archive.

Event
Arctic
Less than 1 period

This presentation is part of the Polaris Project Webinar Series preparing participants for the field season 2012. This is one of two lecture to view for Session Two. You need to also watch the Schade Presentation Archive.

Event
Arctic
Less than 1 period

This is a one hour webinar specifically for the participants of the Polaris Project 2012, conducted by Max Holmes and John Schade. This is the introductory session.

Event
Arctic
About 1 period