world geography 9th grade ch 3 – Flashcards

two lines of latitude- the tropic of cancer and the tropic of capricorn- mark the points farthest north and south that the suns rays shine directly overhead at noon, the day at which this occurs is called

the days and nights all over the world are equal in length

is the condition of the atmosphere at a particular location and time

is the term for weather conditions at a particular location over a long period of time

convectional, orographic, and frontal

occurs in hot, moist climates where the sun quickly heats the air the heated air rises and by afternoon clouds form and rain falls

falls on the windward side of hills or mountains that block moist air and force it upward

the land on the leeward side is called _______ because it gets little rain from the descending dry air

movement causes most precipitation in the middle latitudes feature cold dense air masses that push lighter warm air masses upward causing precipitin to form

the boundary between two air masses of different temperatures or density

storms that form over warm, tropical ocean waters

a long period of time without rain or with very minimal rainfall

a powerful funnel-shaped column of spiraling air

falling water droplets in the form of rain, sleet, snow, or hail

is a heavy snowstorm with winds of more than 35 mph and reduced visibility

the transfer of heat in the atmosphere by upward motion of the air

the warming of the waters off the coast of South America

the layer of gasses released by the burning of coal and petroleum traps some solar energy, causing higher temperatures in the same way that a greenhouse traps solar energy

the flat, treeless lands forming a ring around the Arctic Ocean are called

subsoil that is constantly frozen is called

an interdependent community of plants and animals is called

the ecosystem of a region is called

forest, grassland, desert, and tundra

broadleaf trees, such as maple, oak, birch, and cottonwood are also called

is located in the tropical zone and, due to nearly constant precipitation, it is covered fit a heavy concentration of broadleaf trees

needleleaf trees, such as pine, fir, and cedar are also called _____ because they are cone bearing

prairie are used to identify temperate grasslands