_________ is incoming solar radiation intercepted by the Earth. Add Comment _________ is incoming solar radiation intercepted by the Earth. Answer: solar insolation
______ energy is the ultimate source of energy for most life processes in the biosphere. Add Comment ______ energy is the ultimate source of energy for most life processes in the biosphere. Answer: solar
There are a lot of _______ in Greenland. Add Comment There are a lot of _______ in Greenland. Answer: melt ponds
14,000 years ago the ____________ were covered by an ice sheet. Add Comment 14,000 years ago the ____________ were covered by an ice sheet. Answer: Great Lakes
The ____________ is the largest cluster of freshwater lakes and were carved by glaciers. Add Comment The ____________ is the largest cluster of freshwater lakes and were carved by glaciers. Answer: Great Lakes
A(n) ____________ is a river too large or too small to have eroded the valley in which it flows. Add Comment A(n) ____________ is a river too large or too small to have eroded the valley in which it flows. Answer: misfit stream
______ develop beneath glacial ice and lie parallel to the direction of movement. Add Comment ______ develop beneath glacial ice and lie parallel to the direction of movement. Answer: drumlins
______ are smooth, steep-sided, elliptical-shaped mounds. Add Comment ______ are smooth, steep-sided, elliptical-shaped mounds. Answer: drumlins
A(n) _____ is a hill or hummock composed of stratified sand and gravel laid down by glacial meltwater. Add Comment A(n) _____ is a hill or hummock composed of stratified sand and gravel laid down by glacial meltwater. Answer: kame
A(n) _________ is a shallow, sediment-filled body of water formed by retreating glaciers or draining floodwaters. Add Comment A(n) _________ is a shallow, sediment-filled body of water formed by retreating glaciers or draining floodwaters. Answer: kettle
A(n) ________ is a long, winding ridge of stratified sand and gravel. Add Comment A(n) ________ is a long, winding ridge of stratified sand and gravel. Answer: esker
A(n) _______ moraine occurs when a retreat stalls or by a minor readvancement of an ice sheet. Add Comment A(n) _______ moraine occurs when a retreat stalls or by a minor readvancement of an ice sheet. Answer: recessional
A(n) ______ moraine is the outermost limit of an ice sheet and provides evidence of glacial extent. Add Comment A(n) ______ moraine is the outermost limit of an ice sheet and provides evidence of glacial extent. Answer: terminal
A(n) _________ is a linear ridge of glacial drift. Add Comment A(n) _________ is a linear ridge of glacial drift. Answer: moraine
____ are large boulders far from source. Add Comment ____ are large boulders far from source. Answer: erratics
______ topography is characterized by small depressions. Add Comment ______ topography is characterized by small depressions. Answer: Hummocky
____ is glacier-transported rock resting on different bedrock. Add Comment ____ is glacier-transported rock resting on different bedrock. Answer: erratic
_______ is meltwater deposits, which are sorted and stratified. Add Comment _______ is meltwater deposits, which are sorted and stratified. Answer: outwash
____ is deposited directly by a glacier, not by melt water, and is unsorted and unstratified. Add Comment ____ is deposited directly by a glacier, not by melt water, and is unsorted and unstratified. Answer: till
_____ is any sediment deposited by a glacier. Add Comment _____ is any sediment deposited by a glacier. Answer: drift
Plucking, abrasion, striations, and roche moutonnee are all forms of ___________. Add Comment Plucking, abrasion, striations, and roche moutonnee are all forms of ___________. Answer: glacial erosion
The last glacial maximum occurred around _______ years ago. Add Comment The last glacial maximum occurred around _______ years ago. Answer: 18,000
High O (this number) is characterized as being warm and wet. Add Comment High O (this number) is characterized as being warm and wet. Answer: 16
High O__ (this number) is characterized as being cold and dry. Add Comment High O__ (this number) is characterized as being cold and dry. Answer: 18
Cool weather causes temperatures to rise toward the base of the glacier and produces ______. Add Comment Cool weather causes temperatures to rise toward the base of the glacier and produces ______. Answer: glacial creep
_____ weather causes glaciers to grow and occurs when ice is below freezing point. Add Comment _____ weather causes glaciers to grow and occurs when ice is below freezing point. Answer: cool
Warm weather causes melt water to move to the base of the glacier and produces a ________. Add Comment Warm weather causes melt water to move to the base of the glacier and produces a ________. Answer: basal slip
_____ weather causes glaciers to retreat and occurs when ice is at or near melting point. Add Comment _____ weather causes glaciers to retreat and occurs when ice is at or near melting point. Answer: warm
____ glacial movement often results in a fracture of the ice. Add Comment _____ glacial movement often results in a fracture of the ice. Answer: brittle
_____ glacial movement occurs when the central and upper portions of a glacier flow more quickly than those near the bottom and sides. Add Comment ______ glacial movement occurs when the central and upper portions of a glacier flow more quickly than those near the bottom and sides. Answer: plastic
Glacial _______ creates both depositional and erosional landforms. Add Comment Glacial _______ creates both depositional and erosional landforms. Answer: movement
Glacial _________ is a type of glacial movement that includes abrasion and scouring. Add Comment Glacial _________ is a type of glacial movement that includes abrasion and scouring. Answer: erosion and transport
A type of glacial movement, known as a glacial ______, causes glaciers to move tens of meters per day. Add Comment A type of glacial movement, known as a glacial ______, causes glaciers to move tens of meters per day. Answer: surge
___ forms with further compression and recrystallization of ice. Add Comment ___ forms with further compression and recrystallization of ice. Answer: glacial ice
_____ snow is granular, compacted snow that is not quite considered as glacial ice. Add Comment _____ snow is granular, compacted snow that is not quite considered as glacial ice. Answer: firn
Glacier ice is _______ by the melting and refreezing of ice in pore spaces. Add Comment Glacier ice is _______ by the melting and refreezing of ice in pore spaces. Answer: recrystallized
Glacier ice is formed by _____ snow. Add Comment Glacier ice is formed by _____ snow. Answer: compacted
Glacier ice forms when summer snow loss is _____ than winter gain. Add Comment Glacier ice forms when summer snow loss is _____ than winter gain. Answer: less
What two areas of land are covered by an ice sheet? Add Comment What two areas of land are covered by an ice sheet? Answer: Greenland and Antarctica
Glaciers cover about __% of Earth's land area today, and about 30% in the past. Add Comment Glaciers cover about __% of Earth's land area today, and about 30% in the past. Answer: 11
About __% of Earth's freshwater is tied up as ice. Add Comment About __% of Earth's freshwater is tied up as ice. Answer: 77
North America's Glaciations occurred over the states of ________, __________, _________, and ________. Add Comment North America's Glaciations occurred over the states of ________, __________, _________, and ________. Answer: Wisconsin, Illinois, Kansas, Nebraska
Nearly _______ years ago, all the ice was melted from America and only part of Canada was still covered by an ice sheet. Add Comment Nearly _______ years ago, all the ice was melted from America and only part of Canada was still covered by an ice sheet. Answer: 10,000
Nearly _______ years ago, most of Canada and parts of America were covered by an ice sheet. Add Comment Nearly _______ years ago, most of Canada and parts of America were covered by an ice sheet. Answer: 18,000
The Ice Age occurred during the _________ era. Add Comment The Ice Age occurred during the _________ era. Answer: pleistocene
The ________ period is a warm period between glacial periods. Add Comment The ________ period is a warm period between glacial periods. Answer: interglacial
Deglaciation, also known as glacial retreat, is a result of ______ climatic conditions. Add Comment Deglaciation, also known as glacial retreat, is a result of ______ climatic conditions. Answer: warming