Layers of the Earth

1. Layers of the Earth Quiz

2. 1. This layer is made of solid iron and nickel.a. crust b. mantle c. inner core

3. 2.This layer is a solid that flows like a liquid.a. crust b. mantle c. outer core

4. 3.This layer is made up of liquid iron and nickel. a. crust b. mantle c. outer core

5. 4. This layer contains the least dense material. a. crust b. mantle c. outer core

6. 5.This layer is 67% of the Earth’s mass. a. crust b. mantle c. outer core

7. 6. This layer has the coolest temperature. a. crust b. mantle c. outer core

8. 7.The solid, dense center of our planet is called the________. a. crust b. mantle c. inner core

9. 8. This layer has the greatest temperature. a. crust b. mantle c. inner core

10. 9. As you travel down to the inner core, all things increase except… a. pressure b. isostacy c. density d. temperature

11. 10. Which type of crust is the thickest? a. continental b. oceanic

12. 11. The property of a solid flowing very slowly. a. isostacy b. gakky c. plasticity

13. 12. Which crust can support the most weight? a. continental b. oceanic

14. 13. What is the reason why the crust is able to float on top of the mantle? • The mantle is a liquid. • The mantle is thicker than the crust. • The material of the crust is less dense than the material of the mantle.

15. 14. Primary waves can travel through which layers of the Earth? • All layers • Only crust • All layers except outer core

16. 15. Which seismic waves travel the fastest and are detected first after an earthquake? a. primary waves b. secondary waves

17. On the back of the scantronnumber 16-20 and identify the layer of the Earth.

18. crustMohoboundary mantle outer core inner core