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703 earth science

7th grade scince terms

lithosphere all land and ocean floor,needed to make soil and raw materails
atmosphere gases- air and oxygen,needed by most organisms to survive
hydrosphere all water, without water there is no life on earth
magma hot fluid or semifluid material below or within the earths crust where all lava is
plate tectonics the movement of plates
plates Earths crust and part of the upper mantle are broken into sections.These sections are called plates
asthenosphere the plasticlike layer below the lithosphere is called the asthenosphere
lattitude distance in degrees north or south of the equator
longitude distance in degrees east or west of the prime meridain
lava molten rock flowing onto earths surface
map legend explains the meaning of symbols used on a map
magnitude a meausure of the energy relased by an earthquake
fossils remains, imprints, or traces of prehistoric orginasms that can tell when and where organisms once lived and how they lived
equator imaginary line that wraps around the earth at 0 degrees latitude, halfway beetween north and south poles
prime meridian imaginary line that represents o degrees longitude and runs from north pole through Greenwich,England, to the soth pole
Created by: shiraz12