Lake Algonquin

High school (ages 12+)
Geography

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/lake-algonquin

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the location?East-central North America
2. What is the geological epoch?Late Pleistocene
3. What was Lake Algonquin and how big was it?Lake Algonquin was a huge lake that existed during the last Ice Age. It covered the areas that later became Lakes Superior, Michigan, Huron, and Georgian Bay.
4. How did Lake Algonquin form?It formed when the Laurentide Ice Sheet melted and the meltwater was trapped by ice and moraine dams, creating a large proglacial lake.

Proglacial lake: A lake formed at the margin of a retreating glacier, often dammed by ice or moraines.
Laurentide Ice Sheet: The massive ice sheet that covered much of North America during the Pleistocene Epoch.
Isostatic rebound: The upward movement of the Earth's crust after the weight of glaciers is removed, causing land to rise.
Paleo-geographic: Relating to the geography of past geological periods.