SCI 205E Physical Geology

SCI 205E University Physical Geology

Question 1  Which of the following factors will lead to the advance of a glacier?

Warm summer temperatures

Low amounts of winter snowfall

Warm winter temperatures

High amounts of summer rainfall

High amounts of winter snowfall

Question 2 Among sediments transported by wind, sand is most likely to be moved in the ____ load, while finer sediments like silt, clay and dust, are usually found in the____ load.

suspended, dissolved

dissolved, ventifact

suspended, bed

bed, suspended

yardang, inselberg

Question 3 Ths tallest sand dunes in the world are formed when there is an abundance of sand and wind from multiple directions. What is the name of this type of dune?

Transverse dunes

Parabolic dunes

Barchanoid dunes

Longitudinal dunes

Star dunes

Question 4 Which process is responsible for the transport and deposition of loess?

wind

waves

ground water

streams

longshore drift

Question 5 A(n) _______ is confined to a long, narrow valley located in mountainous areas especially closer to the poles.

Mountainous glacier

Ice sheet

Alpine glacier

Moraine

Continental glacier

Question 6 Many of the deserts on earth are located in zones of subtropical high pressure. Along which lines of latitude are these zones found?

30° North and 30° South

The Equator and 60° North

The Equator and the South Pole

60° North and 60° South

The Equator and the North Pole

Question 7 What is the name of the desert landform shown below?

desert pavement

yardang

transverse dune

loess

star dune

Question 8 When an alpine glacier retreats, which of the following occurs?

the zone of accumulation moves downslope

the distance between the zone of accumulation and the zone of melting does not change

the zone of melting moves upslope

the zone of melting moves downslope

the zone of accumulation moves upslope

Question 9 What does it mean when a glacier “advances”?

The glacier is calving into the ocean, where pieces of ice are becoming icebergs.

The terminus of the glacier is shifting forward; the glacier is growing longer.

It is flowing downhill towards the end of the glacier.

It is gaining snow as fast as it is losing it; the glacier is not shrinking.

Question 10 Which of the following features is most likely to be associated with sandstone formed in a desert environment?

cross-bedding

moraines

loess

arêtes

till

Question 11 Which of the following landforms is created by a continental glacier polishing one side of a bedrock outcrop, and plucking pieces out from the other side?

horn

drumlin

truncated spur

roche moutonnée

cirque

Question 12 Which type of sand dunes are shown in the image below?

slipface dunes

longitudinal dunes

barchan dunes

transverse dunes

star dunes

Question 13

A series of alluvial fans that form at the mouths of adjacent canyons and coalesce into an apron of sediment along one side of a desert valley is called a

evaporite

playa

fault block

bajada

inselberg

Question 14 What is the dominant geologic agent of erosion in most deserts?

Wind

Playas

Dust storms

Water

Bajadas

Question 15 Which of the following is a landform not usually associated with alpine glaciers?

truncated spur

drumlin

horn

arête

hanging valley