5C.1 - Structure of the Earth Halfway Review

Instructions:

1. Fill in your exam number in the box above.
2. Answer all questions

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1) Can earthquakes and volcanoes happen anywhere on the Earth?

2) What are tectonic plates?

3) Which is the thinnest layer out of the crust, mantle, outer core and inner core?

4) What 3 forms of evidence did Alfred Wegener base his theory of crustal movement on?

5) What was Alfred Wegener's explanation for the forms of evidence?

6) Why was Alfred Wegener's theory of continental drift not generally accepted?

7) What moves the tectonic plates?

8) Where does the energy come from to cause the movement of the tectonic plates?

9) What creates the heat in the core?

10) What is the energy transform occurring in the core?

11) How fast do the plates move on average?

12) What do the sudden movements of the tectonic plates cause?

13) Starting at the center, what are the layers that make up the Earth?

14) What are the relative sizes of the core and mantle in how much of the diameter of the Earth they take up?

15) How are P and S waves used to discover what the inner Earth is like?

16) What is the Earth mainly composed of?

17) What is the Earth's core mainly composed of?

18) What is the Earth's crust mainly made up of?

19) How do the Big Ideas link to this topic?