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Name_______________________________Class______________________Date_______________ Inferred Properties of the Earth’s Interior Use your ESRT page 10 to answer the following questions. 1. The depth of the earth from the crust to the center is ________________________ km. 2. The crust floats on the part of the mantle called the___________________________________. 3. The density of the continental crust is_____________________________________________. 4. Which is more dense, continental or oceanic crust? ___________________________________ 5. The densest layer of the earth is the_________________________, which has a density of ____________g/cm. 6. At 2000 km is the layer ____________________. The pressure is ______________________, the density is_________________________, and the temperature is _____________________. 7. The temperature at a depth of 3000 km is__________________________________. 8. What layer of the earth is 3000 km below the earth’s surface? _____________________. 9. What is the pressure at 4000 km below the earth’s surface? __________________________. 10. What layer of the earth is 4000 km below the earth’s surface? __________________________. 11. At 5000 km is the layer ____________________. The pressure is _________________ the density is_________________________, and the temperature is ______________________. 12. As depth increases as you go down into the center of the earth, what happens to the pressure, density and temperature trends?__________________________________________________. 13. What layer of the earth is the coolest? _________________________________ 14. What layer of the earth has the greatest pressures? _________________________________ 15. The outer core begins at a depth of _________________and ends at _________________ km. 16. Which of earth’s layers are always solid? _________________________________ 17. Which of earth’s layers can be solid or liquid? _________________________________ 18. Why must the outer core be liquid? ________________________________________________ ____________________________________________________________________________. 19. The thickest layer of the earth is the________________________________________. 20. The mantle is about ___________________________________________ km thick. 21. What is the composition of the inner core? ________________________________ 22. What is the composition of the outer core? ________________________________ 23. Which layers can only be studied by indirect means? ________________________________ ____________________________________________________________________________ 24. What might the arrows in the Asthenosphere layer mean? ____________________________________________________________________________ ______________________________________________________ 25. Find the Mid-Atlantic Ridge. Write a sentence describing the motion of the crust at this location. (Hint, look closely at the arrows). ________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________