Geography Terms +

Fruits and vegetables grown for sale on the market for profit; profit crop; money crop: Mr. Jenkins thought that if he could produce enough cash crops to sell at the farmers' market, he could earn enough money to pay back his debts.

A waterfall which forms a single long drop: When the couple were in Brazil, on a tour of the country, they were able to view "The devil's Throat" which was the largest cataract falling over a cliff of the Iguazu Falls.

A positively charged ion or an atom with an electrical force created by adding or removing an electron: A cationpossesses more protons than electrons.

The central nucleus of commercial land uses which exist in cities: Jamie works in the central business district of Toronto where there are a large area of busines, firms, banks, offices, etc.

An urban geographical explanation that trys to analyze the number, size, and extent of market services in a system of business: The central place theory is the interpretation of city systems set forth by German geographer Walter Christaller in 1933 which centers on consumer demand, including the maximum distance consumers will travel for a given product and the minimum market size necessary to sustain them.

The functional dominance of cities, in terms of economic, political, and cultural activities, within an urban system: The centrality of a huge city or metropolis cannot exist without a serviceable center or downtown area with banks, offices, stores, shopping centers, a city hall, etc.

A very dry wind which occurs when air that is blown up on the windward side of the Rocky Mountains turns downward: A descending chinook takes place on the eastern side of the Rocky Mountains and is dry and warm because it blows from the southwest and brings even more warmer air to the region.

1. A semicircular hollow with steep walls formed by glacial erosion on mountains.

It often forms the head of a valley.

2. A bowl-shaped basin which holds the collecting ground and the firn of an Alpine glacier.

Firn is the partially consolidated snow that has passed through one summer melting season but which is not yet glacial ice.

Extremely small mineral particles which can remain in suspension in water indefinitely.

The particles can be large molecules like proteins, or solid, liquid, or gaseous aggregates and the suspension is of finely divided particles in a continuous medium from which the particles do not settle out rapidly and are not readily filtered.

The process that turns water vapor into liquid water.

In physics, the ratio of the number of molecules condensing on a surface to the total number of molecules touching that surface.

Territorial and residential clustering of specific groups or subgroups of people in city neighborhoods.

1. Those parts of the world's primary continuous expanses of land (Africa, Antarctica, Asia, Australia, Europe, North America, and South America): "Europe is one of the seven continents in the world."
2. Etymology: from Latin terra continens, "continuous land" or literally, "the land that holds together". At first, in the 16th century, it referred to any large continuous expanse of territory; and then from the early 17th century onward, it was specifically applied to any of the Earth's major landmasses.

1. A reference to forming or belonging to one of the seven land masses of the world: "Railroads are still being developed around the world to make continental traveling easier to do and to do it in less time."
2. When capitalized, related to the thirteen American colonies in or at about the same time as the Revolutionary War: "When George Washington turned 50 in February of 1782, he was commander of the Continental Army."

"In 1783, the members of the Continental military were struggling to survive against the British forces."

The main series of mountains in North America, primarily the crests of the Rocky Mountains, that form a watershed (ridge of land) that separates the rivers flowing east into the Atlantic Ocean or the Gulf of Mexico from those flowing west into the Pacific Ocean.