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| 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 . |
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| The States of the Midwest that are near the Great Lakes. |
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| Thick sheets of ice that covered North America during the Ice Age. |
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| consists of rivers, lakes, and canals through which many ships travel. |
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| One kind of waterway that has been dug across land for ships to go through. |
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| connects Lake Michigan to the Mississippi River which flows into the Gulf of Mexico. |
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| Links the Great Lakes with the St. Lawrence River which flows into the Atlantic Ocean. |
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| 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. |
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| What river did engineers dig a canal to connect allow a link to Lake Michigan> |
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| 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. |
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| A Flat- bottomed boat that transport good through the Great Lakes and on rivers that eventually flow into the Atlantic Ocean. |
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| Is it better to transport good by water or by land? |
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| 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. |
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| What cities in the Midwest are major transportation centers? |
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Chicago, Illinois- Trains and Trucks
Ships- St Louis, MO. |
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