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703 earth science
7th grade scince terms
| Question | Answer |
|---|---|
| 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
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