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Physical World

Social Studies - Chapter 2

erosion the process by which weathered bits of rock are moved elsewhere by water, wind or ice
desalinization a process that makes salt water safe to drink
Ring of Fire a 24,000 mile stretch of volcanoes along a fault line in the Pacific Ocean
delta an area where sand, silt, clay or gravel is dropped at the mouth of a river
plateau a flat (table-like) area that rises above the surrounding land
acid rain water that contains harmful amounts of poisons due to pollution
tsunami a giant ocean wave caused by volcanic eruptions or movement under the ocean floor
fault a place where two tectonic plates grind against each other
weathering the process by which the Earth's surface is worn away by natural forces
tectonic plate one of the 16 enormous pieces of the Earth's crust
axis an imaginary line that runs through the Earth's center from the North Pole to the South Pole
precipitation the water that falls on the ground as rain, snow, sleet, hail or mist
climate the average weather in an area over a long period of time
earthquakes an event in which the ground shakes or trembles, brought about by the collision of tectonic plates
glacier a large body of ice that moves slowly across land
plains a large area of land that can be flat or have a small roll
trench a long, narrow steep cut into the ocean floor
isthmus a narrow strip of land that connects two larger land areas
groundwater the water contained inside the Earth's crust
condensation the result of water vapor changing to a liquid or solid state
Created by: maffch