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Physical Geography of The United States and Canada
Chapter 5, Section 1: The Land
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North America
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Important Vocabulary Divide: is a high point or ridge that determines the direction in which rivers flow. Ex: the Rocky Mountains. Headwaters: a source of water for rivers. Ex: the Rockies to the Colorado River and Rio Grande. Tributary: small rivers or streams connecting with a large river. Fall Line: in the eastern United States, marks the place where the higher Piedmont drops to the lower Atlantic Coastal Plain.
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Vocabulary (Cont’d) Fossil Fuel: natural resources such as coal and petroleum (oil). They are not renewable. Fishery: coastal waters (Atlantic and Pacific) along with the Gulf of Mexico that are rich with fish and shellfish. Aquaculture: a growing economic activity of fish farming.
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Landforms The Pacific Ranges include: Sierra Nevada, the Cascade Range, the Coast Range, and the Alaska Range. The Rocky Mountains link the United States and Canada.
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Alaska Range & The Rockies
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Landforms (Cont’d) Dry basins and plateaus between the Pacific Ranges and the Rockies. The Grand Canyon is the steepest. Flat land mass – the Great Plains to the Mississippi River. The Appalachian Mountains – Quebec to Alabama. The Canadian Shield is on the Hudson and James Bays.
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Grand Canyon & Great Plains
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Appalachian & Canadian Shield
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Water Systems Niagara Falls – border between the United States and Canada. Another water boundary are the Great Lakes.
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Niagara Falls & Great Lakes
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Mississippi River
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Fossil Fuels and Minerals
Natural resources: oil, timber, coal, and natural gas. The Rockies have: gold, silver, and copper. Other mineral resources: iron ore and nickel.
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Physical Geography of The United States and Canada
Chapter 5, Section 2: Climate and Vegetation
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Important Vocabulary Hurricane: Ocean storms hundreds of miles wide with wind speeds over 74 mph. Chaparral: a drought-resistant woodland of twisted, hard- leafed trees. Prairie: naturally treeless expanses of grasses spread along the Great Plains. Supercell: violent spring and summer thunderstorms in the Great Plains and eastern United States.
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Vocabulary (Cont’d) Timberline: the elevation above which trees cannot grow, lichens and mosses grow. Chinook: a warm, dry wind (in the early spring) that blows down the eastern slopes of the Rockies, melting snow. Blizzard: during the winter winds, over 35 mph, blowing or heavy snow.
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Southern Climates Humid, subtropical climate.
Wetlands and swamps (The Everglades) provide vegetation and wildlife. Rain shadow effect creates desert areas (Death Valley). Hot, dry summers and mild, wet winters.
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Northern & Coastal Climates
Northern climates experience changing seasons. The interior has very cold winters and hot summers. The upper west coast has an overcast, rainy winter. Summers are cloudless and cool.
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1930s Dust Bowl
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High-Latitude Climates
Canada and Alaska have very cold winters. The northern parts are vast wilderness and inhospitable. Mixed forests from Newfoundland into the subarctic Yukon Territory (Canada).
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Newfoundland & Yukon Territory
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