Quiz #31

17 November 2011

S.I. Session 31 Quiz

This quiz covers material from the lecture on Wednesday, November 16^th.

Part a) Match the term to its definition:

                TERMS:

a)Storm Surge                   b)Ocean Currents            c)Crest

d)Wavelength                   e)Storm Tide                      f)Spring Tides

g)Sand Spit                         h)Neap Tides                     i)Trough

                DEFINITIONS:

1)__The term for the top of a wave.

2)__Occurs when a seawater dome built up by a hurricane comes ashore.

3)__The largest tides. These occur when the sun’s gravitational pull and the moon’s gravitational pull align.

4)__These erode and deposit sediments.

5) __The distance from crest to crest.

6)__The term for the bottom of the wave.

7)__The smallest tides, these occur at quarter moons since the sun and moon act in opposition.

8)__A tongue of sand that extends from the coastline out into the ocean.

9)__These occur when a storm surge coincides with the high tide.

Part b) Draw and label a typical beach profile:

Part c) True or False:

                Mark T (true) or F (false) in the blank provided:

1)__A beach in dynamic equilibrium maintains a balance between erosion and sedimentation.

2)__Beaches are dynamic, so not all parts of the typical sea profile appear at all times.

3)__Coastlines tend to straighten out over time.

4)__In the surf zone, wave tops and bottoms travel at the same speed.

5)__Waves in the open ocean approach the coast at around ten meters per second.

6)__All coastlines are the same, they all have sand.

7)__Wave height depends on the depth of the ocean.

8)__Tides exist because of the gravitational pull of planets like Mars and Jupiter.