Teacher Questions:
1) The _____ consists of all forms of frozen water that exists above, below, and on the
surface of the Earth.
a) hydrosphere
b) cryosphere *
c) lithosphere
d) biosphere
2) An extended period of time when Earth’s atmospheric temperatures decrease causing
the expansion of glacial ice in high latitudes and growth of alpine glaciers in lower
latitudes.
a) Ice Age *
b) glaciation
c) glacial surge
d) interglacial
3) “Valleys” are to “alpine glaciers”; as _____ are to “ice sheets”.
a) continents *
b) mountains
c) streams
d) firn
4) Sustained rapid movement of glaciers as much as one meter per hour and as long as a
month or more is:
a) glacial surge *
b) deglaciation
c) glacial creep
d) glacial sliding
5) As glaciers carrying rocks and rock fragments move downslope, _____ form as
underlying rock scratch surface bedrock.
a) abrasions
b) striations *
c) glacial sliding
d) ablations
6) All are forms of ablation EXCEPT:
a) melting
b) evaporating
c) calving
d) precipitation *
7) Asymmetrical mounds caused by glacial ice plucking are _____
a) mountain glacier
b) Rouche moutonnee *
c) firn
d) basal ice
8) Although much of today’s glaciers are receding, evidence of the extent may be seen by
the following:
a) u-shaped valleys, plucked bedrock
b) well-sorted deposits
c) striations on bedrock and unsorted till
d) both (a) and (c)
9) The best glacial evidence that has helped geologist determine locations of ancient
highlands that no longer exist is to look at _____, which may indicate the direction of
glacial flow from high to low lands.
a) striations *
b) roche moutonnee
c) crevasses
d) plucked rocks
10) Glacial surges are typically associated with all of the following EXCEPT:
a) deglaciation
b) alpine glaciers
c) continental glaciers *
d) mountain glaciers
11) Glaciers move in two ways. _____ is when the entire glacier moves downslope as one
whole piece, and _____ is the movement that occurs within a glacier.
a) glacial creep; glacial sliding
b) glacial sliding; glacial creep *
c) glacial sliding; glacial surge
d) glacial surge; glacial creep