OCN 320 WEEK 1 CHECK YOUR UNDERSTANDING
Directions: Using Microsoft Word to save and submit your work, please complete the following assignment. Check Your Understanding answers should show in depth knowledge of the topic by presenting information in at least two paragraphs per question. Outside resources are highly recommended.
Chapter 1
1. Why do we refer to only one world ocean? What about the Atlantic and Pacific oceans, or the Baltic and Mediterranean seas?
2. Which is greater: the average depth of the ocean, or the average elevation of the continents?
3. Can the scientific method be applied to speculations about the natural world that are not subject to test or observation?
4. What are the major specialties within marine science?
5. Where did Earth- surface water come from?
Chapter 2
6. How did Eratosthenes calculate the approximate size of Earth? Which of his assumptions was the “shakiest�
7. Sketch briefly the major developments in marine science since 1900. Do individuals, separate voyages, or institutions figure most prominently in this history?
Chapter 3
8. Seawater is denser than freshwater. A ship moving from the Atlantic into the Great Lakes goes from seawater to freshwater. Will the ship sink farther into the water during the passage, stay at the same level, or rise slightly?
9. Some earthquakes are linked to adjustments of isostatic equilibrium. How can this occur? Where would you be likely to experience such an earthquake?
10. What biological evidence supports plate tectonics theory?
USA 
India