Layers of the Earth

Layers of the EarthQuiz

1. This layer is made of solid iron and nickel.

a. crustb. mantlec. inner core

2.This layer is a solid that flows like a liquid.

a. crustb. mantlec. outer core

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

4. This layer contains the least dense material. a. crust b. mantlec. outer core

5.This layer is 67% of the Earths mass.

a. crust b. mantlec. outer core

6. This layer has the coolest temperature.

a. crust b. mantlec. outer core

7.The solid, dense center of our planet is called the________.

a. crust b. mantlec. inner core

8. This layer has the greatest temperature.

a. crust b. mantlec. inner core

9. As you travel down to the inner core, all things increase except

a. pressure b. isostacyc. density d. temperature

10. Which type of crust is the thickest?

a. continentalb. oceanic

11. The property of a solid flowing very slowly.

a. isostacyb. gakky c. plasticity

12. Which crust can support the most weight?

a. continentalb. oceanic

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.

14. Primary waves can travel through which layers of the Earth?

All layersOnly crustAll layers except outer core

15. Which seismic waves travel the fastest and are detected first after an earthquake?

a. primary wavesb. secondary waves

On the back of the scantron number 16-20 and identify the layer of the Earth.

crust Moho boundary mantle outer core inner core