| A | B |
|---|
| Atlantic Coastal Plains | extends from Maine to Florida |
| Flat lands along Atlantic coast | Atlantic Coastal Plains |
| Piedmont | wide, rolling hills |
| Located between Appalachian Mts. and Atlantic Coastal Plains | Piedmont |
| Appalachian Mts. | Extend from Canada to Alabama |
| Run parallel to Atlantic Coastal Plains | Appalachian Mts. |
| Great Plains | located in center of U.S and Canada., east of the Rockies |
| Rich, fertile soil | Great Plains |
| Rocky Mountains | steep, rugged area in Western U.S. and Canada |
| Great Basin | plateau region |
| Located between the Pacific Coastal Ranges and the Rockies | Great Basin |
| Pacific Coastal Ranges | Cascades and Sierra Nevadas |
| Northwest U.S. and west coastline of Canada | Pacific Coastal Ranges |
| Continental Divide | breaks flow of river east and west |
| Located at crest of Rockies | Continental Divide |
| Mississippi western tributary | Missouri River |
| Mississippi eastern tributary | Ohio River |
| Mississippi River | longest river in U.S. |
| Central Plains | extends from Appalachian Mts. to 300 miles west of Mississippi River |
| Canadian Shield | plateau region of very old, hard rock |
| Forms horseshoe around Hudson Bay | Canadian Shield |
| Rio Grande | natural border between U.S. and Mexico |
| Rio Bravo | Rio Grande |
| St. Lawrence River | connects Atlantic Ocean with Great Lakes |
| Natural border between U.S. and Canada | St. Lawrence River |
| Tropical | located near equator, Hawaii |
| Hot, humid with rain very often | Tropical |
| Tropical Savanna | southern Florida |
| Desert | 10 or less inches of rain a year |
| southwestern U.S. | desert |
| Steppe | often borders desert |
| Marine West Coast | ocean winds produce cool summers |
| Oregon, Washington, British Columbia, northern California | Marine West Coast |
| Mediterranean | mild, rainy winter; hot, dry summer |
| southern California coast | Mediterrranean |
| Arctic | very short grasses and lichen |
| northern Alaska and Canada | Arctic with bitterly cold winters; short cool summers |
| Sub- Arctic or Taiga | forst region of southern Alaska and central Canada |
| Taiga | sunlight greatly reduced |
| Mountain | temperatures change with elevation |
| Humid - continental | influenced by landmass |
| Climate found only in northern hemipshere | humid- continental |
| Humid - subtropical | hot, humid summers; mild winters |
| located in southeast U.S. | humid - subtropical |
| semi-arid like GreatBasin | Steppe |
| vertical climate | mountain |
