Secrets of the Sediments

In this activity students graph and analyze data from marine sediment cores of the coast of Santa Barbara to predict what the global climate was during the past 160,000 years.

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Ramona Smith
Consortium for Ocean Leadership

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Teaching Tips

Teaching Tips

Educator could introduce the topic with a video clip about the topic to engage students.

Not appropriate for lower middle school or students that have not been introduced to the concept of an isotope.

Teacher should reinforce the link between oxygen isotopes and climate and how scientists can use this data to determine what the climate in the past was.

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