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NORTH AMERICA A Review by Mack and Jonathan and Alex hold TERMS & NAMES Sacagawea The Shoshone Indian woman who assisted the historic Lewis and Clark expedition. Between 1804-1806, while still a teenager, she guided the adventurers from the Northern Great Plains to the Pacific Ocean and back. TERMS & NAMES Features of Earth’s surface mountains, valleys, and plateaus. TERMS & NAMES GLACIER A thick sheet of ice that moves slowly across land. TERMS & NAMES A process where soil and stone are worn away by wind, rivers and rain. TERMS & NAMES RIVER SYSTEM A network of major rivers and their tributaries TERMS & NAMES WEATHER The state of the atmosphere near Earth at a given time and place. TERMS & NAMES PRECIPITATION Moisture such as rain, sleet or snow that falls to Earth. TERMS & NAMES CLIMATE The typical weather in a region over a long period of time. TERMS & NAMES VEGETATION Trees, shrubs, grasses and other plants TERMS & NAMES Economy The way that business owners use resources to provide the goods and services that people want. REVIEW QUESTIONS 1. Describe the location of North America. ARCTIC OCEAN latitude 83° north longitude 12° west longitude 172° east PACIFIC OCEAN ATLANTIC OCEAN latitude GULF 14° north OF MEXICO REVIEW QUESTIONS 2. What effect did the oceans have on the settlement of North America? North America was an isolated continent for many thousands of years. The earliest settlers came 12,000 to 35,000 years ago but it took the next settlers many thousands of years to arrive. 35000 bc 12000 bc 1600s REVIEW QUESTIONS 3a. What regions are best for farming and ranching? Atlantic Coastal Plain or Central Lowlands or Intermountain Region 3b. What regions are best for mining? Canadian Shield or Laurentian Plateau 3c. What regions are best for lumber? Appalachian Mountains or Rocky Mountains and Coastal Ranges REVIEW QUESTIONS 4. What natural processes have changed the geography of North America? Actions of wind, water, ice, and moving slabs of Earth’s crust. KEY WORDS: Glaciers and erosion REVIEW QUESTIONS 5. Why are there different vegetation zones? The climate and physical geography of each zone affects the vegetation. It is warmer in the south and colder in the north. The vegetative zones are: •Polar and Tundra •Forests •Rain Forests •Grasslands •Desert REVIEW QUESTIONS 6. Which vegetation zones permit farming and ranching? KEY WORD: Grassland REVIEW QUESTIONS 7. How do natural resources affect the economies of the United States and Canada? Farmlands and Prairies help to grow food. Forests supply lumber and wood. Oil Fields and Coalmines help with power. REVIEW QUESTIONS 8. How have waterways helped people in the past, and how do they help people today? PAST: Water routes allowed people to move to areas with fresh water and more fertile land. TODAY: Water resources continue to help people with transportation and shipping needs, they supply water and power and they offer recreation. CRITICAL THINKING Synthesizing Geographic Features LEAD TO Economic Strengths/Benefits Middle Latitude Climate / Variety of Vegetation Zones Productive farmland and agricultural exports Artic Ocean, Gulf of Mexico, Atlantic Ocean, Pacific Ocean Natural routes for travel/trade to Canada & the US, easy to defend location, fishing industry, recreation and tourism River systems - Mississippi & Missouri Rivers (US) and the Mackenzie River (Canada) Transportation by water for people & goods within North America, fishing industry, power source, recreation Farmlands, prairies, forests, oil fields, Coal mines Raw materials, sources of fuel and power, for transportation, industry and new technologies Strong economies and a common language Good trade, tourism and regulatory relations between Canada & the US hold CRITICAL THINKING Drawing Conclusions ATLANTIC COASTAL PLAIN What are the economic advantages and disadvantages of this region? ADVANTAGES: Rich farmland, Lots of waterways DISADVANTAGES: Over-population, Over-used resources hold CRITICAL THINKING Making Inferences What industries that depend on natural resources might flourish in the United States and Canada? farming mining lumber oil Why? farm LAND lumber FORESTS COAL mines oil FIELDS Conclusion As you can see from our review of Chapter 3: “The Physical Geography of the United States and Canada” has had – and will continue to have – great affects on the development of this area of the world. Review Quiz by Jonathan Assistance with Review Quiz by Alex Powerpoint Presentation by Mackenzie Originals The End Production Notes provided by World Cultures and Geography (McDougal Littell)