1. What is the density of the continental crust? 2. What is the density of the oceanic crust? 3. What is the density of the mantle? 4. What is the density of the outer core? 5. What is the density of the inner core? 6. What is the upper plastic part of the mantle called? 7. At what depth is the boundary between the mantle and the core? 8. At what depth is the boundary between the stiffer mantle and the plastic mantle? 9. Which zone of the Earth is found at each of the following depths? A. 6000 km B. 4500 km C. 10 km D. 2000 km 10. What is the temperature at each of the following depths? A. 2000 km B. 3000 km C. 6000 km 11. What is the pressure at each of the following depths? A. 1000 km B. 2500 km C. 4200 km
ANSWERS 1) 2.7 2) 3.0 3) 3.4 – 4.7 4) 9 – 11 5) 10.5 – 15.5 6) asthenosphere 7) 2900 8) 600 9A) inner core B) outer core C) crust D) mantle 10A) 4200 B) 5000 C) 6600 11A) .3 B) 1.1 C) 2.5