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Question Set: Depth Zones
NGSS Disciplinary Core Ideas
Table of Contents
  1. Complete Table 9.4. Remember that for every 10 m depth, pressure increases by 1 atm.
  2. Using Table 9.4, create a graph of depth (on the X-axis) vs. pressure (on the Y-axis). Label the five zones on your graph. Describe the patterns you observe in your graph.
  3. What factors can affect the depth of the epipelagic and the mesopelagic zones?


Table 9.4. Summary of depth zones
Depth Zone Depth
Pressure Range
Average Temperature
Light Intensity


Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.