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Class 8 Science Chapter 15 Some Natural Phenomena Quiz 1 (60 MCQs)

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1. The process of transferring a charge from a charged body to the earth is called
2. The metal clip used in the electroscope is replaced by an ebonite rod and a charged body is brought in contact with it, will there be any effect on the aluminium strip?
3. What is the charge aquired by a glass rod when rubbed to silk is
4. The time, location, and magnitude of an earthquake can be determined from data recorded on a .....
5. In a cloud during Lightning, the Positive charges accumulatein the ..... of the cloud.
6. Differences in the temperature between the outer and inner mantles give rise to a movement called ..... in the fluid magma.
7. What should not be done during earthquake.
8. Static charge builds up due to the movement of?
9. It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as .....
10. The flow of charges through a wire is
11. A sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.
12. Which force helps in holding the protons and neutrons within the centre of the atom?
13. When two clouds having a huge amount of positive and negative charges approach each other, then
14. Waves produced on the earth's surface is called
15. Who proved that lightning conducts electricity?
16. Benjamin Franklin showed lightning in
17. Human body can conduct electricity.
18. The process of transferring of charge from a charged object to the earth is called as .....
19. What is a fracture in bedrock along which blocks of rock on opposite sides of the fracture move?
20. What's the main cause of most earthquakes?
21. The process of transferring charge from a charged object to the earth is called earthing.
22. Which of the Following is not a Natural Phenomenon
23. During lightning actually ..... take place.
24. Which state of India was hit by a powerful earthquake on 26 January, 2001?
25. Seismograph is an instrument used to
26. The graphical record of the intensity of seismic waves is called .....
27. Some object can be charged by ..... with other objects.
28. Which is not a natural phenomena?
29. Sparkers can be seen on electric poles when wires become
30. Small amount of electricity formed by rubbing
31. The power of an earthquake is expressed in terms of a magnitude on a scale called the .....
32. A natural phenomenon, whose triggering is not associated with an earthquake, is
33. An object having electric charge on it is called .....
34. Which of the following cannot be charged by friction?
35. Where is the lightning rod attached to protect the building from lightning?
36. Which of the following is a negatively charged particle?
37. Which force, electricity or gravity has a greater effect on large-scale objects (stars and planets) and why?
38. Who Invented Lightning?
39. Earthquakes and volcanic eruptions that cause the seafloor to move abruptly resulting in sudden displacement of ..... water in the form of high vertical waves are called tsunamis.
40. A ..... zone is an area where earthquakes are likely to occur.
41. During thunderstorm it is safer to
42. To protect tall buildings from the damage of lightning, what can be done?
43. Does the Electrostatic force attraction takes place on wet hair
44. The process of transfer of charges from a charged object to the earth is called lightning.
45. The waves produced on the earth surface is called .....
46. Which of the following can be charged with static electricity?
47. Benjemin franklin has showed lightning in
48. Which is the surest test of charge on a body?
49. Which of the following causes large scale destruction?
50. A charged ballon repell a charged ballon.
51. Like charges when brought near each other then they .....
52. What is a lightning container
53. When a refill and a balloon are rubbed together they
54. The spot on the Earth's surface exactly above the hypocentre of an earthquake is the .....
55. Sudden shaking of earth is called
56. A major tsunami occured in the Indian Ocean on 26 December .....
57. Two objects rubbed against each other
58. The sudden rush of electrical charges heats the air to about ..... (three times the temperature of the surface of the sun) producing a bright glow of lightning.
59. Which of the following can be charged by rubbing?
60. Richter scale is used to measure the .....
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