PROBLEM: How can you find out if there are any important materials on the ocean floor?

PREDICTION:

EXERCISE 1. 
MATERIALS: echo sounding

1. Describe the surface of this part of the Pacific Ocean.
   

Seismic Profile

1.  This seismic profile looks at layers under the surface of the oceans floor. Can you see any structures? Describe.

 

EXERCISE 2
MATERIALS: dredge samples, magnifying glass or microscope

PROCEDURE: Using your magnifying glass or microscope, describe and identify as many items as you can in each sample. Be sure to include size, color, and shape. Be specific!

CONCLUSION: Is there anything of value under the oceans? Explain.