The Lithosphere...

15 Points Per Correct Answer - No time limit  

1. Why did miners coin the phrease "hanging wall?" One could hang a lamp on a hanging wall while they're mining. One could be hanged in the hanging wall; which were usually done before. One could stand on a hanging wall while they're mining. One could hang their treasures on the hanging wall.

2. The names of the continents that diverged from Pangaea were Laurasia and Gondwana. True False

3. Usually happening in a conveyor-belt fashion, the Mid-ocean Ridges is the place where is the new lithosphere formed? True False

4. The theory of continental drift holds that the lithosphere, the Earth's outer shell, is divided into eight relatively large plates and a number of small ones. True False

5. The greatest natural earthquake occurred in Beijing, China. True False

6. Iron's normal melting point is 1535 degrees Celsius. Yet, the Earth's inner core temperature is about 4300 degrees Celsius. Why doesn't the solid inner core melt? Tremendous amount of radiation that disrupts the normal change of state Intense pressure from the weight of the Earth above Magnetic properties that crushes atoms so tightly Magic

7. It separates the Earth's crust from the rocks of different composition in the mantle below. Mohorovicic Discontinuity Asthenosphere Gutenburg Discontinuity Coral difference

8. Which of the following is fine? clay cobble boulder pebble

9. It is considered as a lake within a volcano within a lake. Mauna Loa Taal Lake Mount Krakatau Mount Fuji

10. Why was Wegener's theory of continental drift not taken more seriously in early part of his century? Wegener failed to produce a suitable driving mechanism to support his theory. Wegener was unable to elaborate his theory further. Wegener did not have enough evidence to support his theory. Wegener's work was plagiarized by many people so the scientific community thought that his theory is just a make-up.