Earth Science (Picture Version) Chapter 5,6,7
These dunes form when wind regularly blows in several different directions.
Star
________ river channels usually form for relatively short distances at high gradients near the headwaters and form classic V-shaped valleys.
Straight
The below photograph is a picture of an erosional desert feature called __________.
a hoodoo
Glacial specialists believe that when "surges" of movement occur (up to 100 times that of normal glacial movement, in many cases this is due to ___________, and the _____________ water pressure.
basal sliding, buildup of
Near the top of the glacier, ice will behave in a _____ fashion, and crevasses __________ form.
brittle, will
The schematic representation of the hydrologic cycle shown in the below diagram is a _________ cycle of _________ systems.
closed, opened
Alluvial fans consist of _______ sediment deposited at the base of highlands in _________ climates.
coarse, semi-arid
At continental collision boundaries earthquakes can be deep and __________ and ____________.
deep, powerful
In general, the coastlines of the continents __________ match up. If we consider the true coastlines (halfway down the continental slope), the match is __________.
do, better
Ventifacts are __________ features produced by ___________.
erosional, abrasion
The windward side of a dune has a relatively ___________ slope, whereas the slope of the leeward side is relatively ________________.
gentle, steep
Transverse dunes form in environments with ______ vegetation, where __________ sand is available.
little or no, abundant
As a snowflake becomes a granule of ice it ______ delicate points, and becomes _____ dense.
loses, more
Poorly sorted sediment would tend to be of relatively ___________ permeability. Whereas a well-cemented sediment would tend be of relatively _____________ permeability.
low, low
Volcanic island arcs are primarily associated with __________ lithosphere subducting under __________ lithosphere at a convergent plate boundary.
oceanic, oceanic
Transform fault earthquakes are ___________, and _________ be powerful.
shallow, can
The addition of numerous levees and the channeling of the Mississippi River has resulted in the _______ of the delta, resulting in _________ protection for the city of New Orleans from hurricanes.
shrinking, decreased
The largest single sheet of falling water in the world is located in __________.
Africa
The below pictured stream has a low gradient, and a fluctuating but heavy sediment load. What type of stream is it?
Braided
These glaciers form in bowl-shaped depressions, and commonly feed into valley glaciers:
Cirque glaciers
This area is considered to be entirely contained within the continental area (contains continental crust):
Continental shelf
Which of the following deserts was produced by the rainshadow effect?
Death Valley
When a glacial valley is partly filled by an arm of the sea this type of glacier is formed:
Fjord glacier
The evidence for glaciers indicates that the ___________ continents were once connected together. Also, a study of the glacial striations indicates that the direction of ice movement radiated ___________ from the center of the ice sheet.
southern, outwards
The ages of rocks on both sides of the mid-ocean ridge are __________, and become ____________ as one goes away from the ridges.
symmetrical, older
At divergent plate boundaries earthquakes tend to be _______ and _________.
weak, shallow
Carefully study the below photograph. What type of glacier is shown?
Valley glacier
When glacial ice moves downward from a cirque it scours ____________ into a classical __-shape.
valleys, U
The Mississippi River drainage basin encompasses more than _____ percent of the mainland United States.
40
The probability of a particular area having a 20-year flood in a one hundred year period of time is ____ percent. A 20-year flood would have a _____ discharge when compared to a 50-year flood.
5, lower
The below river is characterized by having cut banks, point bars and oxbow lakes. It is highly sinuous and is a typical __________ river.
Meandering
When a glacier flows all of the way out of the mountains and onto the surrounding lowlands this type of glacier is formed.
Piedmont glacier