Layered Ocean: Davy Jones' Locker 

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The world’s ocean currents are driven by variations in density and caused by variations in salinity and temperature. These currents exist in layers within the water column. In this lesson, students observe and replicate a model of ocean layering using knowledge about the physical properties of water that cause layering. Students are challenged to create a model to determine if the mythical Davy Jones’ Locker is possible: float a vial at the surface, float a vial at mid-water and sink a vial to the bottom.

Alignment with Next Generation Science Standards

Additional Resources for Teachers
These are supplementary activities that can be used before or after Project Oceanology programs, designed to help teachers integrate their Project Oceanology experiences into the curriculum. 

Suggested Middle School Pre-Lab Assignment

  • Sink and Float for Solids

Teacher Notes

Student Activity Sheet

Student Activity Answer Key

Suggested Middle School Post-Lab Assignment

  • Temperature and Density

Teacher Notes

Student Activity Sheet

Student Activity Answer Key

Suggested High School Post-Lab Assignment

  • Ocean Density and Global Layers Activity

Teacher Notes

Student Activity Sheet

Student Activity Answer Key

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