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Further Investigations: Light in the Ocean

  1. How does the light spectrum change with depth in coastal waters compared with the open ocean?
     
  2. Investigate how scientists measure the available light spectrum and light intensity underwater.
     
  3. Create a turbidity probe to measure the turbidity of water. Compare the turbidity of the water in different areas.
     
  4. Some fish have the ability to see ultraviolet light, a portion of the electromagnetic spectrum not visible to human eyes. Explain how would this benefit a fish living in the ocean depths.

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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.