Directions: Click through the links and record your answers in the provided word document
A. History of Long Island and Glaciers
1. Define A. Glacier-
B. Cryosphere -
2. What are the two main types of glaciers? A.
B. (aka )
3. What are glacial striations? (https://www.youtube.com/watch?v=hkFUoIG06Nc)
What do they tell about a glacier?
4. What is a moraine?
5. What is till?
6. How long ago were the glacial times that formed long island? Were there more than one glacial periods (hint look at moraines)?
7. What is a glacial erratic?
8. Where do the glacial erractics on Long Island come from? How do they get here?
9. Describe glacial outwash and tell where it is found.
10. Which rivers on Long Island are believed to be outwash channels from ice melt?
(Use ctrl F and type in river to find) - note - it is further down!
11. Describe glacial kettles (or kettle holes)?
12. Which lake on Long Island is believed to be a glacial kettle lake?
13. Describe briefly how this kettle lake formed?
B. More General Information on Glaciers
1. Where do most of the world’s glaciers exist?
2. List the 7 continents and tell which one doesn’t have any glaciers on it? This link shows the areas that currently have glaciers. Copy this picture and paste below.
1. 4.
2. 5.
3. 6.
7.
3. Describe the climactic environment that is needed for glaciers to form.
4. Besides climate, what is the other key factor influencing glacial formation?
5. List the 4 different types of precipitation / processes that are key for glacier survival.
1. 3.
2. 4.
6. Why do glaciers form so slowly in Antarctica?
7. What is ablation and what is it caused by?
9. What are finger lakes? How do they form?
10. Write a statement about what is happening to global temperature and CO2 concentration and tell me what this is doing to the current glaciers.