OCEANOGRAPHY
EXAM PREVIEW




1)THE TOPOGRAPHY OF THE SEAFLOOR
  Draw a diagram of the seafloor and label each of the following features:
1)Continental shelf   2)Continental slope  3)Continental rise  4) Abyssal plain          5)Ocean ridge   6)Trench  7)Seamount  8)Guyout
 Describe each feature
 Explain how features 5 & 6 formed

2) Name the four major oceans of the world.

3) Discuss the importance of studying oceanography.

4) OCEAN CURRENTS (Refer to the reference tables)
   Name and describe the ocean current off the east coast of the US
   Name and describe the ocean current off the west coast of the US
   Name the ocean current responsible for the sinking of the Titanic

5) List the major minerals that are found dissolved in seawater.
    Mineral name
    Chemical formula
    Compound

6) SOUNDINGS
   What is a line sounding?
   What is an echo sounding?
   What are several drawbacks to using line soundings?

7) LONGSHORE CURRENT
  What is a longshore current?
   Explain what causes the longshore current to form.
   Given a diagram of incoming waves, determine the direction of the longshore current
   Explain what effect a groin will have on the shoreline.

8) LONG ISLAND COASTAL GEOLOGY
  What kind of beaches are found along the south shore of Long Island?
  Why are the south shore beaches important to Long Island?

9)WAVES
   Draw a wave, labeling the crest, trough, wavelength and waveheight
   How do open ocean waves and breaking waves differ (cause & water motion)?
   What causes a Tsunami?