Vocab
a glacier that covers much of a continent or large island
Continental Glacier
water that is in the spot of a valley carved by a glacier
Fjord
What are the two types of glaciers?
Continental and Valley Glaciers
when a glacier drags a rock the scratches the Earth
Abrasion
What percentage do glaciers cover on Earth?
about 10%
Long narrow glacier that forms when snow and ice build up high in mountain valley
Valley Glacier
A long mound of till that is smoothed in the direction of the glacier's flow
Drumlin
__________is constantly pulling a glacier down.
Gravity
when a glacier picks up rocks below it
Plucking
How deep can glaciers be?
30-40 meters or about 100-130 feet!!!!
a small depression that forms when a chunk of ice is left in glacial till
Kettle
A sharpened point made by glaciers carving the sides of a mountain
Horn
___________move down valleys that have already been cut by rivers
Valley Glaciers
What are the two processes of glacial erosion?
Plucking and Abrasion
How long can valley glaciers be?(the longest)
tens of kilometers long, 6.2 miles
a mixture of sediments that a glacier deposits
Till
bowl shaped hollow eroded by a glacier
Cirque
Glaciers can only form in an area were more______ falls than _____ away.
Snow, Melts
Name 5 glacial landforms(out of 11)
Some possible answers: Fjord, Horn, Cirque, Moraine, Till, Kettle, Kettle Lake, Drumlin, Glacial Lake, U-shaped valley, arête
How far can glaciers move in one year
6 kilometers, or about 3.7 miles
the ridge of till at the farthest point reached by a glacier
Moraine
a sharp ridge separating two cirques
arête
_________________ can flow in all directions as they move
Continental Glaciers
As they move, they move lots of ____ and ______
Rock and Soil
Why are glaciers blue when snow is white?
A possible answer: When sunlight hits the glacier, the dense crystals absorb the red and yellow light, leaving the blue light behind