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Chapter 8 Lesson 1
Water and land of the midwest
13
Social Studies
4th Grade
02/22/2015

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Term
Great Lakes
Definition
Lake Ontario, Lake Erie, Lake Huron, Lake Michigan and Lake Superior. They are the largest group of freshwater lakes in the world. 1/5 if the world's freshwater .
Term
Great Lakes States
Definition
The States of the Midwest that are near the Great Lakes.
Term
Freshwater
Definition
Water that is not salty.
Term
Glaciers
Definition
Thick sheets of ice that covered North America during the Ice Age.
Term
Waterway
Definition
consists of rivers, lakes, and canals through which many ships travel.
Term
Canal
Definition
One kind of waterway that has been dug across land for ships to go through.
Term
Illinois Waterway
Definition
connects Lake Michigan to the Mississippi River which flows into the Gulf of Mexico.
Term
St. Lawrence Seaway
Definition
Links the Great Lakes with the St. Lawrence River which flows into the Atlantic Ocean.
Term
Locks
Definition
A gated part of a canal or river. Between the gates , water can be let in or out to raise or lower the water level.
Term
What river did engineers dig a canal to connect allow a link to Lake Michigan>
Definition
The Chicago river . The engineers dug a canal to connect with Illinois River, which then had the Chicago river flow backwards to link Lake Michigan to the Mississippi.
Term
Barge
Definition
A Flat- bottomed boat that transport good through the Great Lakes and on rivers that eventually flow into the Atlantic Ocean.
Term
Is it better to transport good by water or by land?
Definition
Shipping by barge has advantages and disadvantages. Disadvantages can be barges are slow, and food could spoil in transport. Advantage that they can carry large, heavy products long distance and use less fuel to ship the same amount of product.
Term
What cities in the Midwest are major transportation centers?
Definition
Chicago, Illinois- Trains and Trucks
Ships- St Louis, MO.
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