【正文】 tes (page 125) Section 224 Tropical Climates (cont.) Click the mouse button or press the Space Bar to display the answer. Why is southern Florida the only place in the continental United States to have a tropical climate, and what kind of tropical climate exists there? Florida’s southern tip lies in the low latitudes. The rest of the continental United States is too far north to have tropical climates. Florida’s tropical savanna climate zone has seasonal rains, vast grasslands, and high temperatures yearround. (page 125) End of Section 2 ? Canada and the continental United States have similar landforms, shaped by similar geologic processes. ? Chapter Summary 1 Section 1: The Land (pages 115–120) ? Both have high, sharp mountains and dry plateaus in the west。 rolling, grassy plains in the center。F (–57186。 and lower, older mountains and coastal lowlands in the east. ? ? The region’s waterways, including rivers, lakes, coastal waters, and intracoastal channels, played a vital role in settling the land and continue to serve as mercial highways. Key Points Click the mouse button or press the Space Bar to display the information. ? The Continental Divide divides the region into two large drainage areas. ? Chapter Summary 2 Section 1: The Land (pages 115–120) ? To the east of the Divide, waters flow to the Arctic Ocean, to Hudson Bay, to the Atlantic Ocean, or to the Gulf of Mexico. To the west, they flow into the Pacific Ocean. ? ? Glacial movement shaped much of the North American landscape. ? ? The geologic factors that shaped the United States and Canada also provided the region with a wealth of natural resources. Key Points Click the mouse button or press the Space Bar to display the information. Chapter Summary 3 ? The region enpassing the United States and Canada experiences a great variety of climates. ? ? Some climate regions of the United States and Canada are influenced primarily by latitude. ? ? Wind, ocean currents, rainfall patterns, and elevation moderate the effects of latitude in other climate zones of the United States and Canada. Click the mouse button or press the Space Bar to display the information. Key Points Section 2: Climate and Vegetation (pages 121–125) Chapter Summary 4 ? Climatic factors cause hazardous seasonal weather patterns in the United States and Canada, including spring and summer tornadoes, and summer and fall hurricanes, and winter blizzards. ? ? The region’s natural vegetation reflects its climatic variety, but human interaction with the environment has greatly altered natural vegetation. Click the mouse button or press the Space Bar to display the information. Key Points Section 2: Climate and Vegetation (pages 121–125) End of Chapter Summary Chapter Assessment 1 Click the mouse button or press the Space Bar to display the answers. Reviewing Key Terms Insert the key term that best pletes each of the following sentences. chinook fall line fisheries prairies supercell timberline tributary headwaters divide 1. ___________________ supply great quantities of fish and other sea animals to North America. 2. The warm, dry wind, or ___________________ melts snow at the base of the Rockies. 3. Lichens and mosses grow above the ___________________. 4. Spring and summer tornadoes are spawned by a violent thunderstorm called a(n) ___________________. Fisheries chinook timberline supercell Chapter Assessment 2 Click the mouse button or press the Space Bar to display the answers. 5. Farmers on the wide grasslands, or ___________________ of the Great Plains broke up sod to grow crops. 6. Many North American rivers have their ___________________, or source, in the Rocky Mountains, where a(n) ___________________ determines the direction of the rivers’ flow. Reviewing Key Terms prairies divide Insert the key term that best pletes each of the following sentences. chinook fall line fisheries prairies supercell timberline tributary headwaters divide headwaters Chapter Assessment 3 Click the mouse button or press the Space Bar to display the answers. 7. Important cities grew up along the ___________________, where the Piedmont drops to the Atlantic Coastal Plain. 8. A(n) ___________________ of the Mississippi River may be a stream or small river. Reviewing Key Terms fall line tributary Insert the key term that best pletes each of the following sentences. chinook fall line fisheries prairies supercell timberline tributary headwaters divide Chapter Assessment 4 Click the mouse button or press the Space Bar to display the answer. How were the Pacific Ranges formed? The Pacific Ranges were formed by collisions between the Pacific and the North American tectonic plates millions of years ago. Reviewing Facts Section 1: The Land Chapter Assessment 5 Click the mouse button or press the Space Bar to display the answer. What effect does the Continental Divide have on the direction rivers flow? Waters west of the Continental Divide flow into the Pacific Ocean. Waters east of the divide flow into the Mississippi River system and then into the Gulf of Mexico. Reviewing Facts Section 1: The Land Chapter Assessment 6 Click the mouse button or press the Space Bar to display the answer. What kind of climate is mon in most of the United States and southern Canada? Climates typical of midlatitudes that vary with elevation are mon in most of the United States and southern Canada. Reviewing Facts Section 2: Climate and Vegetation Chapter Assessment 7 Click the mouse button or press the