Class 11 Geography Chapter 2 The Earth'S Structure Quiz 15 (25 MCQs)

Quiz Instructions

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1. List the three compositional layers of Earth.
2. Which one is hotter?
3. What type of eclipse occurs when the Earth comes between the moon and the sun?
4. The thickest layer of the Earth is
5. The theory of continental drift named a key part of this idea Pangaea. What is Pangaea?
6. Tectonic plates move at the rate of .....
7. Where is the Earth's crust the thickest?
8. Student A claims that sedimentary rocks form by heat and pressure deepunderground. Student B claims that sedimentary rocks form by the compactionand cementation of sediments produced from weathering.Which is correct?
9. Why was Wegener not believed, even by other scientists?
10. Which layer does the lithosphere (the outer most layer plus the crust) float on top of?
11. Which sphere of the Earth contains all of Earth's water.
12. Layer that "flows, " but is still solid:
13. What causes tectonic plates to move?
14. Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:
15. ..... are created by very hot material deep in the mantle rising, then cooling and sinking, then heating again and rising, then repeating the cycle.
16. Tectonic plates move due to
17. At what point deep in the earth does an earthquake begin?
18. The lithosphere, asthenosphere, mesosphere, inner and outer core are called
19. September, October, ..... , December
20. Volcano that is inactive but can erupt again
21. The hottest part of the Earth is
22. This layer of the Earth consists of solid metal.
23. The amount of mass per unit volume is described by: .....
24. The type of plate boundary where two plates come together is a .....
25. Natural Environment have which components?