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100
What is a waterway?
a system of rivers lakes and canals through which ships travel
100
What are the great lakes
largest group of freshwater lakes in the world
100
What is the saint lawrence seaway
links the Great Lakes with the St. Lawrence River.
100
prairie
an area where grass grows well but trees are rare
100
where is the corn palace located
Michell South Dakota
200
What is a canal?
a waterway that has been dug across land for ships to travel through
200
when were the great lakes formed
thousands of years ago during the ice age
200
how are many of the goods transported from the midwest
boat and barge
200
Who is Sue Hendrickson
an archaeologist who discovered dinosaur bone fossils in South Dakota
200
why was the corn palace built
It was built to show how important agriculture is to the Midwest
300
What is a lock?
a gated part of a canal or river used to raise and lower water bridges
300
What is the Illinois Waterway
connects lake michican to the Mississippi river
300
what are the badlands
a region of dry hills and sharp cliffs
300
what changed the climate in south dakota
mountains
300
why is the midwest a good agricultural region
it has very rich deep soil plentiful rainfall long growing seasons and warm summers
400
what is a barge
a flat bottomed boat that carries goods through lakes and rivers
400
What is the mississippi river
a waterway that consists of several rivers and canals. The Mississippi River flows into the Gulf of Mexico
400
erosion
the process by which wind and water wear away rock
400
what is crop rotation
the planting of different crops in different years
400
what is the farmland of the central plain
the corn belt
500
Name the great lakes
Lake Ontario, Lake Erie, Lake Huron, Lake Michigan, Lake Superior
500
What are the disadvantages of shipping by barge
One disadvantage is that barges are slow, averaging only six miles per hour. Since food can spoil, it is not usually shipped by barge. Also, sometimes a customer needs a product right away, so shipping by rail or truck is faster. barges cannot provide door-to-door shipping the way trucks can
500
What are the advantages of shipping by barge
Barges can move large or heavy products long distances at a much lower cost than trucks or trains can. Barges use less fuel to ship the same amount of product than trucks or trains do. Barges also do not require as much maintenance as trucks or trains.
500
what is irrigation
the process of giving crops water
500
where does water for irrigation come from
rivers or deep underground
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