Geography test

Cards

Weather is the condition of the atmosphere in one place during a limited period of time
Doldrums a narrow generally windless band
Oasis An area of lush vegetation
Climate the term for the weather patterns that an are typically experiences over a long period of time
Currents cold or warm streams of sea water that flows in the oceans, generally in a circular pattern
Confierous trees that have cones and needle-shaped leaves that keep their foliage throughout winter
Axis a imaginary line running from the North to the south pole through the planets center
El Nino a periodic reversal of patterns of ocean currents and water temperatures in the Mid-Pacific region
Revolution the earth's yearly trip around the sun
Decidous trees that loose their leaves
Windward facing toward the direction from which the wind is blowing
Solstice one of 2 days on which the suns rays strike directly on the Tropic of Cancer and Capricorn, marking the beginning of summer or winter
Chaparral types of vegetation made up of dense forests of shrubs and short trees
Leeward facing away from the direction from which the wind is blowing
Equinox one of 2 days on which the sun is directly aboe the equator, making day and night equal
Smog haze caused by the interaction of ultraviolet solar radiation with chemical fumes from autmobile exhausts and other pollution sources
Permafrost permanently frozen layer of soil beneath the surface of the ground
Sahara the northeren one third of the african continent, the worlds largest desert
Hypothesis a scientfic explanation for events
Prairies a inland grassland area
What is global warming,and what is the problem with global warming the gradual warming of earth and its atmosphere that may be caused in part by pollution and an increase in the greenhouse effect. Global warming can cause water to evaporate more rapidly from oceans,cause land to dry out, and destroy our atmosphere
What is the rain shadow Dry area found on the leeward side of a mountain range
What is the arctic circle, and where is it The arctic circle is the northern part of the polar are. It is located latitude 66 degrees north
What are mixed forests A forest with both coniferous and Decidous trees
What is the Greenhouse Effect The capacity of certain gases in the atmosphere to trap heat, thereby warming the earth