Please fill out and return this sheet after viewing Program #5. If you are unsure of an answer, give your best intelligent guess.

1.  What do we call the part of the continental margin closest to land?

2.  What resources can be found in the continental shelf?

3.  Where do most sediments in the continental margin originate?

4.  When sediment funnels down a submarine canyon, what feature does it produce?

5.  What are the broad, flat, deep areas of the ocean floor?

6.  Where does ocean crust form?

7.  Volcanic mountains rising from the ocean floor are called what?

8.  What are troughs that form where subduction occurs?

9.  What are the highest temperatures found at hydrothermal vents?

10.  Where are hydrothermal vents typically found?

11.  What is the energy source for basic organisms at hydrothermal vents?

12.  What instruments are used to study the ocean floor?

13.  What are advantages of ROVs?