Name: __________________________

Date:____________________________

Layers of the Earth E-Sheet

1. Go to the search engine and type in http://volcano.und.nodak.edu/vwdocs/vwlessons/lessons/Earths_layers/Earths_layers1.html
2. Read about the layers of the Earth and answer the following questions.
3. Click on next to read more interesting facts about the layers of the Earth.
4. The Earth’s crust is like the skin of an ______________.
5. The crust of the Earth is broken into many pieces called ____________.
6. When the pressure builds and the rock bends until it snaps this causes an ___________________.
7. The crust is composed of _______ basic rock types granite and basalt.
8. The continental crust is composed mostly of ______________.
9. The oceanic crust consists of a volcanic lava rock called ___________.
10. What is the largest layer of the Earth?_____________
11. It is composed of very _________, dense ____________.
12. Convection currents are caused by? ________________________________________________.
13. The outer core is composed of the melted metals ____________ and ______________.
14. The inner core of the Earth has temperatures and pressures so great that the metals are squeezed together and are not able to move about like a liquid, but are forced to vibrate in place as a ___________.
15. Name the four layers of the Earth in order from the outside of the center of the Earth.
16. What causes the mantle to “flow”?

17. What are the two main metals that make up the outer and inner core?

18. Describe in your own words how the Earth’s layers were formed. Card 2 “The four layers” will help you.