World Geo - US and Canada

winds that blow from west to east in the middle latitudes

• trade winds

• easterlies

• prevailing westerlies

• doldrums

a land bridge that once connected Alaska and Siberia

• permafrost

• Great Plains

• Beringla

• lock

a large treeless area in the interior lowlands

• Everglades

• Great Plains

• lock

• Canadian Shield

Mountain chain in eastern US and Canada

• Appalachian Mountains

• Rocky Mountains

• Sierra Nevada Mountains

• Cascade Mountains

a person who moves from place to place

• lock

• nomad

• permafrost

• temporary worker

a section of waterway with closed gates where water levels are raised or lowered

• Mackenzie River

• Great Lakes

• Beringla

• lock

an imaginary line that runs north and south along the highest points of the Rocky Mountains

• Canadian Shield

• Continental Divide

• Beringla

• Great Plains

Mountain chain in the western US and Canada

• Appalachian Mountains

• Sierra Nevada Mountains

• Rocky Mountains

• Blue Ridge Mountains

permanently frozen ground

Canada's longest river

• Mississippi River

• St. Lawrence River

• Mackenzie River

• Colorado River