Earth Science End of Year review #1

9. Which section of Earth is composed primarily of liquid metal?

7. The core of Earth is divided into two layers. The outer core is made of

3. The continental crust floats on top of the mantle because the crust is

12. Most of the United States is a part of which tectonic plate?

21. Which of the following best explains why the tectonic plates of Earth move?

20. When an earthquake wave passes from the crust to the mantle, the wave

22. Which geologic process most likely led to the uplifting of the Rocky Mountains?

16. What has the greatest direct influence on movement of the lithosphere?

15. When an earthquake occurs, the speed of the seismic waves changes as they

6. What best describes the mantle of Earth?

When compared to the other layers of Earth, which layer has the lowest density?

2. The picture shows a model of the internal structure of Earth.

1. The inner core of Earth is solid because of the

5. Which is the correct order of Earth’s layers, from outside to inside?

19. This circle graph shows ... common elements make up about 75% of a specific type of matter.

10. A difference between the oceanic crust and the continental crust is that the oceanic crust

#13 (skip 12) Which numbered area on the map represents the African Plate?

17. Due to extreme pressure, the inner core of Earth is

18. Which of these correctly lists Earth’s layers in order from the center to the surface?

14. The solid layer of Earth that moves over a viscous layer is called the

4. Which layers of Earth are mostly made of solid material?