Take the Drill and Drill Into the Glacier. What Do You Notice About the Resulting Line?

SITE #1

http://phet.colorado.edu/en/simulation/glaciers

Take the drill and drill into the glacier. What do you notice about the resulting line?

Which part of the glacier would you infer is moving faster the top or the bottom?

Minnesota Glaciers
SITE #2

http://mrbdc.mnsu.edu/minnesota-river-basin-glaciation

1. How much of Minnesota was covered by glaciers at some time?

2. What caused the glaciers to advance and retreat across MN?

3. What is glacial till?

4. What is the name of the last ice age (glacial advance) in Minnesota?

Click on view animation on the page and then click Go to slide show.
2,000,000 mya

5. How far south in the U.S. did the 1st ice sheet go?

6. What part of Minnesota was not covered?

150,000 years ago
7. What did the Illinoisan glacier leave behind?

8. Where (cities and towns) can you still see the remaining landforms if this glacial period?

100,000 years ago
9. How long did this glacial period last? ______

10. What is the name of this period? ______

11. Why did this glacier have such a big impact in shaping our current landscape?

20,500 years ago
12. What moraine was formed at this time? What is a moraine?

10,500 years ago
13. List 3 important land features of this period of glaciation in Minnesota

SITE #3

http://files.dnr.state.mn.us/lands_minerals/geologic_processes.pdf
Scroll down to page 3.

1. Minnesota has been ______glaciated over the past 2 million years.

2. Where did the glaciers flow from? ______

3. Compare the shape of the Superior Lobe and Lake Superior?

Scroll down to page 4
4. What happens when glaciers melt?

5. What do melt water streams do?
6. What is this landform called?

Scroll to page 5

7. In Minnesota, the glaciers are long gone, but the ______are still here for us to ______.

SITE #4
http://www-tc.pbs.org/wnet/nature/files/2008/09/anatomy1.swf

1. What is a glacier?

2. How thick does it have to be to start moving? ______

Glacial Movement

3. What are the 2 processes that allow glaciers to move?

4. What does the glacier do to the land as it advances and retreats?

5. List 4 formations left as a glacier retreats.

6. List the two main types of glaciers and what they include:

ii.

iii.