2. Created by Terri Street Copyright, 2000

3.  1,000,0001,000,000  500,000500,000  250,000250,000  125,000125,000  64,00064,000  32,00032,000  16,00016,000  8,0008,000  4,0004,000  2,0002,000  1,0001,000  500500  300300  200200  100100

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7.  A. it flows A. it flows  C. it is brittle C. it is brittle  B. it is metallic B. it is metallic  D. it is green D. it is green What special property does the asthenosphere have?

8. Back to Board  A. It flows

9.  A. deep wells A. deep wells  C. seismic waves C. seismic waves  B. plant data B. plant data  D. fossil data D. fossil data What data have scientists used to determine the layers of Earth’s interior?

10. Back to Board C. Seismic waves

11.  A. Tides A. Tides  C. earthquakes C. earthquakes  B. our magnetic field B. our magnetic field  D. Volcanos D. Volcanos What does the Earth’s core create?

12. Back to Board B. Our magnetic field

13.  A. Lithosphere A. Lithosphere  C. Moho C. Moho  B. Asthenosphere B. Asthenosphere  D. Core D. Core Which layer of the Earth’s interior is made of the crust and part of the upper mantle?

14. Back to Board A. Lithosphere

15.  A. aluminum and calcium A. aluminum and calcium  C. iron and oxygen C. iron and oxygen  B. silicon and oxygen B. silicon and oxygen  D. iron and nickel D. iron and nickel Meteorites show us that Earth’s core could be made of which two elements?

16. Back to Board D. Iron and nickel

17.  A. geosphere A. geosphere  C. Moho C. Moho  B. lithosphere B. lithosphere  D. asthenosphere D. asthenosphere Which of the following is the boundary zone between the crust and the mantle?

18. Back to Board C. Moho

19.  A. they decrease A. they decrease  C. they stay the same C. they stay the same  B. they increase B. they increase  D. They vary D. They vary As you deeper inside the Earth, what happens to density, temperature, and pressure?

20. Back to Board B. They increase

21.  A. it decreases A. it decreases  C. it increases C. it increases  B. It stays the same B. It stays the same  D. it varies D. it varies As you travel from the ocean to the interior of a continent, what happens to the thickness of Earth’s crust?

22. Back to Board C. It increases

23.  A. limestone A. limestone  D. basalt D. basalt What type of rock is oceanic crust mainly made of?  C. sandstone C. sandstone  B. granite B. granite

24. Back to Board D. basalt

25. What type of rock is continental crust mainly made of?  A. limestone A. limestone  C. sandstone C. sandstone  D. basalt D. basalt  B. granite B. granite

26. Back to Board B. Granite

27.  A. A Meteorite A. A Meteorite What is one theory that explains why dinosaurs were wiped from the Earth?  C. Disease C. Disease  B. Tornadoes B. Tornadoes  D. Earthquakes D. Earthquakes

28. Back to Board A. A Meteorite

29.  B. volcanoes B. volcanoes What is a second theory that explains why dinosaurs were wiped from Earth?  A. earthquakes A. earthquakes  C. lightning C. lightning  D. disease D. disease

30. Back to Board B. volcanoes

31.  C. primary waves C. primary waves Which type of waves are able to travel through any type of material?  A. shock waves A. shock waves  B. seismic waves B. seismic waves  D. secondary waves D. secondary waves

32. Back to Board C. Primary waves

33.  D. secondary waves D. secondary waves Which type of waves are stopped by liquid parts of the Earth’s interior?  A. shock waves A. shock waves  C. primary waves C. primary waves  B. seismic waves B. seismic waves

34. Back to Board D. Secondary waves

35.  A. Shadow zone A. Shadow zone What is the name of the region in which seismic waves do not pass through?  B. Moho B. Moho  D. Dark spot D. Dark spot  C. Boundary zone C. Boundary zone

36. A. Shadow zone

37. Sorry, try again!

38. Thanks for playing!