Historical Geology Name _____________________________

A. Read “The Ice Age in Ohio” (11.pdf) and answer the following questions:

1. Why aren’t there any Mesozoic deposits in Ohio?

2. How thick was the ice in the Erie Basin? _____________________

3. Variations in the amount of solar radiation reaching the earth that are caused by changes in the earth’s tilt, it’s wobble, and path around the sun are called ________________________.

4. When did the Wisconsinan ice sheet reach northern Ohio? __________________________

5. The last ice was gone from Ohio ___________________________ years ago.

6. When did the modern Lake Erie reach its’ present form? _____________________________

7. What evidence exist for the presence of Paleoindians in Ohio?

B. Read “Climate Change - the stone tape” (26.pdf) and describe one way that Historical Geology (study of past climates) can be used to develop models of future climate change.