Timeframe
How long ago did the last glacier leave Ohio?
12,000 years
Which of the Great Lakes formed due to the glaciation of Ohio and surrounding regions?
Ohio is home to large deposits of sand, gravel and clay deposited by glaciers. What are these sediments collectively known as?
glacial till or "till"
How long ago did the Pleistocene Epoch begin?
2.6 million years ago.
The "wobble" of the Earth is known as ________.
precession
The most recent Ice Age to affect Ohio was the:
Wisconsin
Lakes that cover northern Ohio were often formed as chunks of glacier ice broke off. What are these lakes called?
Kettle Lakes
Before glaciation, most rivers in Ohio flowed in which direction?
north
During which Ice Age did the modern Ohio River first begin to form?
Illinoisan
Another term for "axial tilt"
obliquity
The Wisconsin Ice Age ended 12,000 years ago (approximately). How many years ago did it begin?
75,000 years ago
What glacial features, both in Ohio, are named the Cory and Mankato?
moraines
Glacial meltwater in Ohio created many rivers. Other than the Ohio River, what is another river in Ohio which owes its origin to "glaciation".
Scioto, Great Miami, Cuyahoga (any of these)
Where in Ohio can you visit and observe the most extensive glacial grooves carved by glaciers in the U.S.?
Kelly's Island (Lake Erie)
This term refers to the shape of a planet, moon or other space object's orbit:
eccentricity
What ice age occurred prior to the Wisconsin?
Illinoisan Ice Age
What mountain system, located in southeastern Ohio, was not affected by the glaciation event as the glaciers did not advance that far south?
Appalachian
These glacial features, found in Ohio, mark the farthest southern glacial advance. What are these features known as?
terminal moraines
During the Wisconsin Glaciation, what percentage of Ohio was covered with ice? (approximately)
70-75%....
What is the lowest angle of axial tilt that the Earth is thought to reach?
21.5*, 21.5 degrees
The Wisconsin and Illinoisan Ice ages occurred during what geological epoch (time period )?
Pleistocene
The glaciers that advanced into Ohio came from which Canadian Ice Sheet?
Laurentide
What prehistoric glacial lake eventually would come to be known as "Lake Erie"?
Maumme
During the Wisconsin Ice Age, how thick (on average) were the glaciers that covered Ohio?
1 mile thick
The current north star is Polaris. In 13,000 years, what will be the name of the new "North Star"?
Vega