Class 7 Geography Chapter 3 Our Changing Earth Quiz 7 (60 MCQs)

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1. 1Q) WHAT IS THE VIBRATION OF THE EARTH'S SURFACE CALLED?
2. Which TWO landforms occur when a continental plate and an oceanic plate hit each other?
3. A machine detects and records earthquakes
4. Which layer of the Earth is responsible for tectonic plate movement?
5. The movement of molten magma in the earth is depicted as circular in which activity?
6. The force which act in the external part on the earth is called
7. What magnitude of earthquake is considered to be very strong according to the Richter scale?
8. An earthquake measuring ..... is a major one
9. The erosion and deposition of the sea waves gives rise to
10. Earthquake is measured by
11. ..... are forces that act in the interior of the earth.
12. There are two types of volcanoes. One type is a shield volcano and the other is a cone volcano. Which type is the more dangerous volcano?
13. Makes up about 2/3 of Earth's mass
14. Everyone should help protect the environment.
15. The highest waterfall is(a) Zambia Falls(b) Angel Falls(c) Niagara Falls(d) Victoria Falls
16. A ..... is a vent in the earth's crust through which molten material comes out.
17. The highest waterfall is called .....
18. What is the term used for fine and light sand carried by the wind over long distances?
19. Delta is the depositional feature of:
20. The roof of the sea caves remain, thus forming
21. What is the significance of being prepared for disasters like earthquakes?
22. The sun and moon's gravity cause .....
23. How did the government respond to the earthquake in Bhuj?
24. An active agent of erosion and deposition in the desertsis .....
25. What term is used to describe rocks in the shape of a mushroom in deserts?
26. Which of the following is not favourable measure for earthquake preparedness?
27. The place in the crust where the earthquake movement start is known as .....
28. What are glaciers often described as in the text?
29. The layer of the Earth that is composed of molten rock is called
30. What causes an earthquake?
31. In ..... motion, molten magma moves ..... the Earth.
32. Which is NOT a kind of mountain?
33. Pangaea was a giant landmass that existed 2 million years ago
34. The mouth of the volcano is known as:
35. The vibration of waves are outward
36. When wind and water move rocks from one place to another, it is called .....
37. Instrument to record the intensity of earthquakes waves .....
38. How can a Metamorphic rock become an Igneous rock?
39. All Earth systems are seamlessly connected through the-
40. Pressure and temperature ..... as you move from the crust to the inner core.
41. Which is an erosional feature of Glacier?
42. Our Earth is always changing.
43. What does (endo) mean?
44. ..... is the scientist credited with the theory of continental drift (which led to the theory of plate tectonics).
45. The creation of new landform area under the ocean is called
46. What are large bends in a river called?
47. ..... is when rocks break into smaller pieces; usually caused by wind, rain and temperature.
48. The breaking down of rocks is called-
49. What happens when two tectonic plates collide?
50. Sand dunes are the depositional features of
51. A delta is formed by the work of
52. What landform is formed when a river breaks up into a number of streams as it approaches the sea?
53. What type of rock formation typically results in the formation of a waterfall?
54. Why would a civil engineer learn about faults?
55. Oceanic crust is more dense than continental crust?
56. Most dense and thickest layer
57. Safest place in india
58. When the moon is at full moon or new moon, what type of tide will we experience?
59. What changes an item into something new?
60. The San Andreas Fault is an example of a ..... boundary?