Download Geol 101: Physical Geology PAST EXAM QUESTIONS LECTURE 32

Geol 101: Physical Geology
PAST EXAM QUESTIONS
LECTURE 32: SHORELINES I
32. Ocean currents are driven by (1) ______ and extend down to a depth of about (2) _______.
A. (1) gravity
(2) 100 m
B. (1) waves
(2) 100 m
C. (1) waves
(2) 10 m
D. (1) wind
(2) 100 m
E. (1) wind
(2) 10 m
32. The most dominant control on the creation of the Earth’s tides is:
A. the Moon
B. the Sun
C. the position of the Earth in its orbit around the Sun
D. precession
E. eccentricity
32. If you lived right next to the beach, when would you expect to experience a spring tide?
A. only during the day
B. only during the night
C. when the Sun, the Moon, and the Earth are all aligned
D. when the Sun, the Moon, and the Earth form an L shape
E. at the spring solstice
32. When the Earth, Moon, and Sun are in alignment, gravitational forces combine to form the highest tides, called:
A. flood tides
B. neap tides
C. ebb tides
D. spring tides
E. supremo tides
32. In every 24 hour period, (1) ______ high tides occur in the locations of the (2) ________.
A. (1) spring
(2) shorelines
B. (1) two
(2) tidal bulges
C. (1) neap
(2) tidal bore
D. (1) spring
(2) tidal bulges
E. (1) two
(2) high tidal ranges
32. The greatest tidal range on Earth can be found at:
A. Puget Sound, Washington
B. Bay of Fundy, Nova Scotia
C. estuaries all around the Earth
D. San Francisco Bay, California
E. Gulf of Mexico, Texas
32. Which of the following is equivalent to about half the wavelength of an ocean wave?
A. wave height
B. wave base
C. wave period
D. wave crest
E. wave trough
32. The depth to the wave base of an ocean wave is equal to about half the _____________.
A. wave height
B. wavelength
C. wave amplitude
D. wave period
E. water depth
32. On a beach, platforms of sand called berms can be created during high tide on the part of the beach called the:
A. backshore
B. foreshore
C. beach face
D. nearshore
E. surf zone
32. Waves can approach a shoreline obliquely due to (1) ___________. As the wave base hits the ocean bottom,
each wave slows down, causing the wave to bend parallel to the shoreline in a process called (2) __________.
A. (1) strong tides
(2) wave reflection
B. (1) tidal bulges
(2) wave refraction
C. (1) the wind direction
(2) wave refraction
D. (1) the rotation of the Earth
(2) rip curl
E. (1) longshore currents
(2) curvication
32. A longshore current is CAUSED by:
A. the wind and waves hitting the shoreline at an oblique angle
B. longshore drift pulling the water along parallel to the shoreline
C. rip currents
D. waves breaking perpendicular to the shoreline
E. the tide coming in