rotation		sudden violent movement of earth's crust
tropics		is water that is found in earth,s streams,rivers,and lakes.
latitude		is one complete spin of earth on its axis.
glaciers		is the movement of warter from earth's surface to the atmosphere and back.
Precipitation		regions close to the equator.
surface water		the distance north or south of earth's equator.
groundwater		suggests that earth's surface is divided into a dozen or so slow-moving plates
water vapor		are shapes on the planet's surface.
water cycle		wtaer also occurs in the air as an invisible gas.
landforms		large areas of slow-moving ice.
plate tectonics		water found below earth's surface.
earthquakes		is water that falls to earth's surface as rain,snow,sleet,or hail.