Changing Planet: Lake Temperatures

Notes from our reviewers

The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials.

• Teaching Tips
  Teacher should ensure that they are familiar with any technical terminology.
• About the Science
  The video describes how atmospheric warming is contributing to lake warming. The results of this warming is water stratification, which impacts the food chain and water mixing. Researchers use buoys to collect data such as wind speed, air and water temperature, and cloud cover. Comments from expert scientist: Accurate information, qualified by appropriate disclaimers in most cases. Could have clearer identification of assumptions and other limiting factors or uncertainties.
• About the Pedagogy
  The vocabulary and conceptual level of the content is high with technical terms like stratification and upwelling.
• Technical Details/Ease of Use
  The video is one of many on the page; scroll down to find it. Alternatively, you can view the video on its own page here: [http://www.nbcnews.com/video/nbc-learn/41950741/#41950741] The video is high quality and easy to use. A transcript is available, providing another avenue to access the content.