Chapter 20: Shorelines

Chapter Test

Select the most appropriate response for each of the following questions.

1. The wave period is __________.  

2. The length, height, and period of a wave depend on __________.  

3. In the open sea, it is the wave form that moves forward, not the water itself.  
4. A water molecule in an open-ocean wave exhibits motion that is __________.  

5. When moving into shallow water, deep-water waves become ___________.  

6. Waves that reach the shore at an angle transport sand and gravel along the beach by a process called __________.  

7. Which of the following shoreline features is formed when two caves from opposite sides unite?  

8. Low ridges of sand that parallel coastlines and rise above sea level are called __________.  

9. Beaches downcurrent from groins will usually lose sand.  
10. Which of the following features does not have a major influence on shoreline erosion?  

11. A breakwater will often cause the beach behind it to lose sand.  
12. A breakwater is __________.  

13. The Atlantic Coast of the United States is characterized by __________.  

14. A highly irregular coastline is indicative of a submergent coast.  
15. Estuaries are associated with coastlines formed when __________.  

16. During full moon, the gravitational forces of the Sun and Moon are maximized and produce __________.  

17. The lowest daily tidal ranges are associated with neap tides.  
18. A(n) __________ is an area of land that is affected by tidal currents.  

19. Examine the information at this University of Houston introductory geology site. According to the information presented, the celerity of a wave is calculated using the formula __________.  

20. The feature shown in the following photograph parallels the Louisiana coastline. The feature is a(n) __________.

Coastal feature (Courtesy of the USGS)  

21. Review the information at this USGS wetlands in Louisiana site. What percentage of the total wetlands in the continental United States is located in Louisiana?  

22. According to the information at the site referenced in this USGS wetlands in Louisiana site, the wetlands are disappearing because of __________.  

23. Referring to the information in "The Coastal Zone" section at this Bay of Fundy site, what is the approximate mean tidal range (high tide-low tide) in the bay?  

24. According to the information at this Bay of Fundy site, the amount of water that is "flushed" through the bay with each tide is __________.  

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