quiz 23
outwash
...As the glacier melts, streams of water, often develop beneath it, washing sand, gravel, and other sedimentsfrom beneath the ice; these deposits are called ______
moraine
A heap or ridge of till left by a retreating glacier.
cirque
A valley glacier slowly scoops out a huge bowl-shaped depression called a _______
drumlin
Bunker Hill in Boston, Massachusetts, is an example of what type of glacial landform?
kettles
Large holes left from the melting of huge chunks of glacial ice lodged in till or outwash are ______
drumlins
When a glacier advances again in the winter, it may overrun its old moraines, smoothing the till into low hills called _____
kettle lake
When a kettle fills with water it forms a _____
glacier
a thick ice sheet that slowly moves under its own weight.
Nebraskan, the Kansan, The Illinoian, and the wisconsin.
evolutionists think there were 4 ice ages which they dub 1.___ 2.___ 3.____ 4._____
fact
glaciers and cold weather did not cover the entire earth during the ice age.
blowouts
in arid regions with sparse vegetation, where sand constantly moves and shifts, the wind often forms shallow hollows or depressions called ______ where material has been blown away.
striae
large, hard rocks pushed along by the glacier produce deep grooves and scratches called ______
valley and continental
name the 2 types of glacier.
valley glaciers
small highland glaciers, can be thought of as rivers of ice that flow slowly down valleys in mountainous regions.
ice caps
smaller ice sheets found in Iceland and Norway.
deflation
the most important effect of wind erosion, the removal of loose particles of sand and soil by wind.
desert pavement
the remaining barren, rocky surface, common in some windy desert regions, is called _______
continental glaciers
vast sheets of glacier ice that cover huge areas of relatively flat land.
ice age
what term refers to the period of widespread glaciation in the past?
horn
when 3 or more cirques cut into a mountain peak, they transform it into a sharp steeple- shaped point called a ______
till
when a glacier partially melts or retreats, during warmer weather, the huge quantities of broken rocks it carries are dumped unceremoniously on the ground. those rocks are called ________
retreating
when a glacier partially melts.