Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
What was created by the draining of the first forming great lakes? |
Ohio river Valley |
|
|
|
What is the name of the last ice age? |
The Wisconsin ice age |
What is our eastern next door neighbor state? |
|
|
Once the climate began to warm how long did it take the ice sheet to melt? |
10,000 years |
|
|
|
Why does the bottom of the glacier move slower than the top of the glacier? |
The friction with the ground slows the bottom of the glacier |
|
|
|
How thick was the ice sheet? |
8 to 10 thousand feet high |
1 and a half to 2 miles |
|
|
About how many years ago did ice cover the northern half of North America? |
2.6 million - 11,000 years ago |
|
|
|
What is the name of the ice sheet that covered the great lakes region during the last ice age? |
The Laurentide ice sheet |
First part is Lauren, second part is another word for a wave or surf |
|
|
What causes glaciers to move? |
The thicker ice to the north pushes down on the thinner ice to the south. |
|
|
|
Describe a Glacial Valley and how they are created. |
Trough-shaped, steep near vertical cliffs. Mountainsides were scoured |
|
|
|
What is a Glacial lake? |
Glacier carves out a hole then the hole gets filled up when the glacier melts and retreats. |
|
|
|
Which of the great lakes were the first to appear once the ice sheet began melting? |
Michigan, Huron,and the Erie |
|
|
|
How long ago did the ice sheet begin to melt? |
About 14,000 years ago |
|
|
|
What is the name given to the soft material carved of the earth's surface by a glacier? |
Till |
|
|
|
What does the glacier do with the material it carves off earth's surface? |
It moves it like a bulldozer |
|
|
|
What is created by the soft material when the glacier melts and retreats? |
Ridges |
|
|
|
Explain how the glacier carves out the soft materials of the earth? |
It moves and moves things out of its way. It can do this because of its wieght. |
|
|
|
Where did the melt water from the first great lakes drain to? |
The Mississippi River |
|
|
|
Where did the melt water from the newly forming lake superior flow to? |
Mississippi River |
|
|
|
Why did the water from Lake superior change its direction of flow towards lake Michigan? |
Post glacial rebound |
|
|
|
What is a Glacial fjord? |
A Glacial Valley that forms near the ocean. Glacier melts and retreats, exposing valley to sea water. Floods the valley creating a small body of sea water. |
|
