Why Don’t Antarctic Fish Freeze to Death?

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Some fish not only survive but thrive in Antarctic waters. Learn their secret in a lesson in an informative video about the freezing point of the salty sea water as well as the antifreeze proteins in the species' circulatory system.

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CCSS: Adaptable
Instructional Ideas

  • Follow with a lab investigation analyzing freezing points of water with different salinity
  • Post the video on a class website for independent viewing
Classroom Considerations

  • Expects pupils to be familiar with antifreeze

  • Includes links to additional videos in the same series
  • Uses strong academic language throughout the lesson

  • None