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Horace Mann Middle School > Grade 6 > Mr. Corey > Social Studies

Ice Age Notes

·    temps dropped across the globe

·    glaciers grew from the North and South Poles

·    giant sheets of ice up to 2 miles thick sucked up oceans

·    20,000 years ago glaciers covered 33% of planet

·    ocean levels dropped 400 feet

·    land bridges (Russia to Alaska) and islands that were once covered with ocean water appeared as ocean levels dropped

·    coastlines expanded as sea levels dropped

·    once fertile valleys become tundra like as the climate grew colder and drier

·    plants died out due to colder drier conditions

·    animals migrated to new lands in search of food

·    humans followed animals to every continent but Antarctica

·    most recent Ice Age ended about 10,000 years ago

23510  
Updated: September 22, 2008  



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