Sea Change Part 2: In the Lab

Notes from our reviewers

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• Teaching Tips
  Video could be watched as a stand-alone or in association with the two other videos on the Sea Change website ( Part 1: In the Field, and Part 3: Interpreting the Results) Particularly strong for chemistry classes.
• About the Science
  Video follows the research of Dr. Raymo and other scientists' use of fossil shell samples from Australia to study how Earth responded to higher air temperatures in the Pliocene era. Scientist Jeremy Inglis demonstrates and explains how relative proportions of isotopes of strontium can be used to date the fossil shells in which they are found. Comments from expert scientist: The video is very well done, well-paced and makes use of very good graphics and animations.
• About the Pedagogy
  Familiarity with high-school level chemistry will help students understand the mechanism and power of tools such as thermo isotope mass spectrometers (TIMS) to date geologic samples.
• Technical Details/Ease of Use
  Video can also be viewed on the Sea Change website: [link http://sealevelstudy.org] Can be viewed in HD. Closed-captioning provided; however, when captions are turned on the words are inaccurately transcribed and inserted incorrectly, which may be distracting to viewer and students.