Class 11 Geography Chapter 2 The Earth'S Structure Quiz 30 (25 MCQs)

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1. Earth's core is mostly made of which metal?
2. A theory that states that Earth's surface is made of rigid slabs of rock, or "plates, " that move
3. The oceanic crust is ..... dense than the continental crust.
4. The crust is the thinnest layer of Earth.
5. Layer right below the lithosphere on which the tectonic plates "float"
6. The movement of two plates approaching each other and colliding with each other to form a trench in the sea or high mountains and volcanoes is called .....
7. Two plates SLIDING past each other.
8. When magma is heated, what happens to its density?
9. The waves of energy that travel through the earth's layers are
10. What is the coolest layer?
11. Most geologist think that the movement of Earth's tectonic plates is caused by
12. Forms where two tectonic plates divide, or separate, from each other
13. Tectonic plates can melt and create new land
14. Which layer of Earth is the hottest?
15. What is the point on the earth's surface directly above where an earthquake begins?
16. The inner core is solid. True or False?
17. At this type of plate boundary, volcanoes often occur
18. What layer of the Earth lies directly below the crust?
19. Something we observe to be similar over and over again
20. What is Earth's thickest layer?
21. This Earth system includes all living organisms on Earth.
22. Which best explains how fold mountains are formed?
23. A ..... is a pointed piece of land that sticks out into the water.
24. What is the difference between a volcano and a mountain?
25. What is subduction?