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Done by: Mrs. Karen Rivera 7th Grade Physical Geography of the USA and Canada Climate Regions The region of the United States and Canada stretches from cold Arctic wastelands in the far north to warm, sunny vacation areas near the Tropic of Cancer. This vast territory is diverse in both climate and vegetation. Most people in the United States and Canada avoid the extremes of tropical and Arctic climates. The climate areas of the USA and Canada are: the Far North, the Pacific Coast, the Great Plains, the East, the West, and the Tropical Areas. a. The Far North: Tundra and subarctic climates are found in the northern parts of Alaska and Canada. Winters are long and cold, while summers are brief and cool. The extremely cold tundra prevents the growth of trees and most plants. In the subarctic region farther south, dense forests of evergreen trees are found. b. The Pacific Coast: This region is affected by moist ocean winds. The area from southern Alaska to northern California has a marine west coast climate of year-round mild temperatures and abundant rainfall. It is very common to Done by: Mrs. Karen Rivera 7th Grade see evergreen forests, ferns, and mosses. By contrast, southern California has a Mediterranean climate of warm, dry summers, and mild wet winters. c. The West: The inland West has a desert climate of hot summers and mild winters. Hot, dry air gets trapped between the Pacific ranges and the Rockies. As a result, the inland West receives little rainfall. Droughts are long periods without rainfall. This droughts cause farmers to lose their crops and animals. d. The Great Plains: This area benefits from moisture-bearing winds from the Gulf of Mexico and from the Arctic. As a result, much of this area has a humid continental climate with cold, snowy winters, and hot, humid summers. e. The East: This area has humid climate regions that receive plenty of year-round precipitation, in other words, it has a continental climate. Wetlands and swamps cover some of the southeast. Wetlands are areas where water covers the soil. Swamps are wetlands that are forested (bushes). Wetland Done by: Mrs. Karen Rivera 7th Grade Swamp f. Tropical Areas: Tropical climates are found in two areas of the United States: Southern Florida and Hawaii. The Southern Florida has a tropical dry climate. Temperatures are hot in summers and warm in winters. Rainfall occurs mainly during the summer. Hawaii has year-round temperatures that average above 70ᴼF. Rainfall supports tropical rain forests. Questionnaire 1. Where does the region of the USA and Canada stretch to? 2. Write the regions of USA and Canada? 3. Where are the Tundra and Subarctic climates found? 4. How are the winters and summers in this area? 5. What affects the Pacific Coast? 6. How is the climate of the Southern California? 7. How is the climate in the West? 8. What are droughts? 9. What does the Great Plains benefit from? 10. How is the climate in the Great Plains? 11. How is the climate of the eastern United States? 12. What are wetlands and swamps? 13. Where do we find tropical climates in the USA? 14. What does the rainfall support?