1. Changing Earth Formative Assessment Grade: 6 Science Subject: 9/12/11 Date:

2. 1 What is the correct order of the layers of the Earth from OUTERMOST layer to the INNERMOST layer? A crust, outer core, inner core, mantle B crust, mantle, outer core, inner core C inner core, outer core, crust, mantle D inner core, outer core, mantle, crust

3. 2 Which of the following is true as you move from Earth's outermost layer to its innermost layer? A The thickness of each layer increases B The thickness of each layer decreases C The heat and pressure increase D The heat and pressure decrease

4. 3 Which of the following statements is most true of the inner and outer core? A They are both a molten layer B They are both a solid layer C They are both made of magma D They are both made of iron and nickel

5. 4 Which of the following statements does not describe a tectonic/crust plate? A They are stationary B They are driven by actions in the mantle C They move slowly D They have been moving for millions of years

6. 5 Which of these statements is correct? A Continental crust is thicker than oceanic crust B Continental crust is thinner than oceanic crust C Oceanic crust does not exist D Continental and oceanic crust are the same thickness

7. 6 Mid-ocean ridges are places where tectonic/crustal plates are...? A colliding B sliding past each other C spreading apart D none of the above

8. 7 Approximately 225 million years ago, the Earth's continents were grouped into one landmass. What was this landmass called? A Europa B Jurassic C Pangaea D Pangaea Ultima

9. 8 What is happening at a subduction zone? A The oceanic crust is being pulled under continental crust B Plates are sliding past each other C Plates are spreading apart D None of the above

10. 9 When did the supercontinent of Pangaea begin to break apart? A 20 million years ago B 40 million years ago C 100 million years ago D 200 million years ago

11. 10 Which of these concepts is part of the theory of plate tectonics? A Continents are fixed and do not move B A great flood shaped Earth's surface C Continents are in slow, constant motion D Continents and crustal/tectonic plates are the same size

12. 11 Mountain formation can result when which of the following occurs? A Two oceanic plates collide B Two continental plates collide C Two oceanic plates spread apart D Two continental plates spread apart

13. 12 What is the border between two tectonic/crustal plates called? A boundary B collision zone C rift D trench

14. 13 Which of the following geologic events are most common at a transform boundary? A Mountain formation B Earthquakes C Volcanic eruptions D Rift formation

15. 14 What is NOT likely to happen at a divergent boundary? A Volcano formation B Seafloor spreading C Rift valley D Mountain formation

16. 15 California's San Andreas Fault is identified as which type of fault? A Blind thrust B Dip-Slip C Normal D Strike-Slip

17. 16 Which is true of P waves? A They do the most damage on the surface of the Earth B They are the slowest of all earthquake waves C They are the fastest of all earthquake waves D They are the last to arrive at a seismograph

18. 17 Which type of earthquake waves cause the most damage? A S waves B P waves C Surface waves

19. 18 What best describes the magnitude of an earthquake? A It is how long the earthquake waves were felt B It is the distance the waves of an earthquake travel C It is how powerful the earthquake was D It is the time between S and P waves

20. 19 Which of the following statements is true? A The focus is directly above the epicenter B The epicenter is directly above the focus C The focus is the point on the surface where the earthquake originated D The epicenter is the point in the ground where the earthquake originated

21. 20 What is this a picture of? A Earthquake damage B Earthquake S and P waves arrival times C Earthquake frequency D Earthquake damage report

22. What is the S-P interval for this seismograph?

23. 22. What is the amplitude of the S wave?

24. 23. What is the magnitude of this earthquake?

25. 24. In what city is this earthquake’s epicenter?