Earths Interior Questions HW
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Earths Interior Questions HW Document Transcript

  • 1. Name:_______________________________ Period:___ Date:________________Dynamic Earth Properties of the Earths InteriorBase your answers to the following questions on the Inferred Properties of Earths Interiordiagram below, duplicated from page 10 of the Earth Science Reference Tables.1. Generally speaking; how does temperature and pressure change within the Earths interior?______________________________________2. The approximate depth of the core-mantle boundary is______________________________________3. The actual (observed) temperature at a depth of 3000 km is approximately______________________________________4. The actual temperature consistently exceeds the melting point temperature in which Earthlayers?______________________________________5. The inferred pressure at the center of the Earth, in millions of atmospheres is approximately______________________________________6. What is the density of oceanic crust (in grams per cubic centimeter)?______________________________________7. Which Earth layer consists of crust and rigid (uppermost ) mantle?______________________________________8. Which are the three subdivisions of the mantle, from top to bottom, based on behavior(response to stress)?______________________________________9. Within which mantle subdivision do we believe the partial melting of ultramafic rocks to beoccurring?______________________________________10. The plastic mantle is synonymous with the______________________________________11. What is the phase and composition of the inner core?______________________________________