Water
Land
Natural Resources
Climate
Vegetation
100
The brooks, streams, and rivers that feed rivers are called this.
What are tributaries?
100
These mountains in the Eastern region of the United States are the oldest mountains in North America.
What are the Appalachian Mountains?
100
These are located around the lakes that border the United States and Canada and are the center of the freshwater fishing industry in Canada.
What are fisheries?
100
This weather hazard can appear during the winter in North America.
What are blizzards?
100
This is the elevation above which trees cannot grow on mountains.
What is the timberline?
200
This river forms part of the border between the United States and Mexico.
What is the Rio Grande?
200
The Great Plains area of the United States is home to these large, treeless grassy areas.
What are prairies?
200
These mountains in the west, that stretch from New Mexico and Colorado to Alaska, contain a great wealth of gold, silver, and copper.
What are the Rocky Mountains?
200
These are ocean storms with winds that are at least 74 miles per hour that occur in the Atlantic Ocean.
What are hurricanes?
200
This state has a tropical rain forest climate and vegetation.
What is Hawaii?
300
This line separates rivers that flow towards opposite ends of the continent.
What is the continental divide?
300
The directional flow of many North American rivers is determined by this.
What is the Continental Divide?
300
These cover the Great Plains and Central Lowlands in the United States and the Interior Plains of Canada and provide many fresh crops.
What are farmlands?
300
These are ocean storms that occur in the Pacific Ocean.
What are typhoons?
300
Overfarming was one of the factors causing this event that occurred in the Great Plains during the 1930's.
What is the Dust Bowl?
400
Water sources of rivers are often called this.
What are headwaters?
400
The Cascade Range is part of this mountain range.
What are the Pacific Ranges?
400
Rich coal deposits are found in these mountains in the Eastern part of the United States.
What are the Appalachian Mountians?
400
This climate zone gets less than 10 inches of rain per year.
What is a desert?
400
These trees are the predominant form of vegetation in the subarctic climate zone.
What are coniferous trees?
500
These five lakes separating the United States and Canada were formed by glaciers.
What are Lake Erie, Lake Michigan, Lake Huron, Lake Ontario, and Lake Superior?
500
These lie between the the Pacific Ranges and the Rocky Mountains and are the only ones in North America.
What are deserts?
500
The huge forests that cover one-third of the United States and Canada produce these reserves.
What are timber reserves?
500
This is the dry area found on the side of a mountain.
What is a rain shadow?
500
This kind of vegetation grew in the Great Plains before human settlement.
What are grasses?
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