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Download LAB # 14 STRUCTURE OF THE EARTH
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Transcript
NAME: ___________________________________ CLASS PER.: _________________ LAB # 14 STRUCTURE OF THE EARTH Part A Use page 10 of the ESRT (earth science reference tables) to match the numbered regions of the interior of the earth to the description: ____ Composed of solid iron and nickel ____ Composed of the least dense rock material ____ Partly molten portion of the mantle ____ appr. 800-3,000 km depth, 3.4-5.6 g/cm3 density ____ Densest part of the crust (basalt) ____ Composed of molten iron and nickel Part B Use the density column of P. 10 of the ESRT to fill in the blank boxes on the diagram: Questions (Use the information above, the review book and page 10 of the ESRT): 1. What happens to the density of the rock material as depth below the surface increases? _____________________________________________________________________________________ 2. What happens to the pressure within the earth as depth below the surface increases? _____________________________________________________________________________________ 3. What happens to the temperature within the earth as depth below the surface increases? _____________________________________________________________________________________ 4. Circle the term that applies to the layer described: a. What is the physical state of the lithosphere? (solid/liquid/partially molten) b. What is the physical state of the asthenosphere (plastic mantle)? (solid/liquid/partially molten) c. What is the physical state of the outer core? (solid/liquid/partially molten) d. What is the physical state of the inner core? (solid/liquid/partially molten) 5. What information from the diagram on p.10 of the ESRT shows that the outer core of the earth is liquid? _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ 6. At what depth below the earth’s surface does the outer core begin? _______________ 7. Approximately how thick is the outer core? _______________ 8. What is the temperature of the interior of the earth at a depth of 1,000 km? ______________ 9. At what depth is the interior temperature of the earth thought to be 2,500°C? _______________ 10. Which layer of the interior of the earth is the densest? _____________________ 11. Based on what information do scientists make inferences about the interior of the earth? (Explain) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________
