This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Some Natural Phenomena > Class 8 Science Chapter 15 Some Natural Phenomena – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 15 Some Natural Phenomena Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Two charged objects are brought close to each other. Choose the most appropriate statement from the following options: A) They may attract or repel depending on the type of charges they carry. B) They may repel. C) There will be no effect. D) They may attract. Show Answer Correct Answer: A) They may attract or repel depending on the type of charges they carry. 2. When an atom loses electrons, there is less number of electrons than protons. The object becomes ..... A) Ions. B) Neutral. C) Positively charged. D) Negatively charged. Show Answer Correct Answer: C) Positively charged. 3. Like charges repel and unlike charge A) Attract each other. B) Repel or attract. C) Repel each other. D) None of the above. Show Answer Correct Answer: A) Attract each other. 4. Which of these is a correct sign occurring a tsunami? A) Earthquake. B) Quickly rising or decreasing waters along the coast. C) Animals disappearing in the opposite direction of the water. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 5. The point of origin of sesmic waves A) Seismic focus. B) Seismic point. C) Seismic origin. D) Epicentre. Show Answer Correct Answer: A) Seismic focus. 6. Manav rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other? A) The balloons will pop. B) The balloons will attract each other. C) The balloons will become positively (+) charged. D) The balloons will repel each other. Show Answer Correct Answer: D) The balloons will repel each other. 7. The SI Unit of measuring electric current is A) Power. B) Watts. C) Volts. D) Ampere. Show Answer Correct Answer: D) Ampere. 8. Which of the following natural phenomenon is most destructive in terms of loss of life and property? A) Earthquake. B) Lightening. C) All the above. D) None of the above. Show Answer Correct Answer: A) Earthquake. 9. Earthquake of which magnitude of the following cause the maximum damage? A) 3.0. B) 5.0. C) 4.0. D) 8.0. Show Answer Correct Answer: D) 8.0. 10. We hear a thunder because A) A lot of energy is released. B) Air heats up and explodes. C) A lot of charge goes in lightning. D) Clouds bang against each other. Show Answer Correct Answer: B) Air heats up and explodes. 11. The device used to measure intensity of earthquakes is A) Odometer. B) Hygrometer. C) Anemometer. D) Seismograph. Show Answer Correct Answer: D) Seismograph. 12. Earth quake occurs all over the world same time A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. In the year ..... an American Scientist ..... showed that lighting and sparks from clothes are the same phenomena. A) 1752, greeks. B) 1752, Benjamin Franklin. C) 1772, Benjamin. D) None of these. Show Answer Correct Answer: B) 1752, Benjamin Franklin. 14. Earthquakes can cause(i) Tsunami(ii) Landslide(iii) Floods(iv) Lightning A) (ii), (iii) & (iv). B) (extent), (II) & (III). C) (ii) & (iv). D) (iiii) & (iv). Show Answer Correct Answer: B) (extent), (II) & (III). 15. Which of the following can protect buildings from the effects of lightning? A) Gold leaf electroscope. B) In Moscope. C) Lightning conductors. D) Seismograph. Show Answer Correct Answer: C) Lightning conductors. 16. The electroscope works on the principle- A) "like charges repel each other". B) "unlike charges attract each other". C) "an uncharged body is attracted to a charged body". D) All of the above. Show Answer Correct Answer: A) "like charges repel each other". 17. Lightning always follows A) A thunder. B) A straight path. C) The easiest path. D) Rain for. Show Answer Correct Answer: A) A thunder. 18. Scientists have arranged different materials according to their ability to hold or give up electrons (negative charge). This ranking is called the ..... A) Electrochemical series. B) Electrical conductivity chart. C) Charge transfer diagram. D) Triboelectric series. Show Answer Correct Answer: D) Triboelectric series. 19. A sudden shaking of the earth lasting for a very short time is known as ..... A) Tsunami. B) Lightning. C) Earth quake. D) Thunder. Show Answer Correct Answer: C) Earth quake. 20. What did William Gilbert name? A) Sesmograph. B) Seismometer. C) Static electricity. D) Gold leaf electroscope. Show Answer Correct Answer: C) Static electricity. 21. What is the device used to check if a object is charged A) Electroscope. B) Electrobox. C) Charge Checker. D) Electrolyte. Show Answer Correct Answer: A) Electroscope. 22. The tremors produce waves on the surface of the earth. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. What is the unique characteristic of tsunamis compared to other ocean waves? A) They move through the entire water column. B) They only affect the near-surface layer of the ocean. C) They are caused by underwater earthquakes. D) They are smaller in size compared to other ocean waves. Show Answer Correct Answer: A) They move through the entire water column. 24. A major earthquake is usually followed by minor earthquakes called ..... A) Seismic waves. B) Quakes. C) Tremors. D) Aftershocks. Show Answer Correct Answer: D) Aftershocks. 25. When a glass rod is rubbed with silk, then glass rods acquires A) Negative Charge. B) Positive charge. C) Sometimes negative charge and sometimes positive charge. D) No charge. Show Answer Correct Answer: B) Positive charge. 26. When a glass rod is rubbed with a piece of silk cloth the rod A) Becomes positively charged while the cloth has a negative charge. B) And the cloth both acquire positive charge. C) And the cloth both acquire negative charge. D) Becomes negatively charged while the cloth has a positive charge. Show Answer Correct Answer: A) Becomes positively charged while the cloth has a negative charge. 27. The Phenomena of sparks in the Sky are called ..... A) Flashes. B) Lightening. C) Electricity. D) Thunder. Show Answer Correct Answer: B) Lightening. 28. Generally lightning conductors are made of ..... A) Iron. B) Copper. C) Wood. D) Plastic. Show Answer Correct Answer: B) Copper. 29. Lightening is ..... on huge scale. A) Electric spark. B) Magnetic effect. C) Electro-magnetic effect. D) None of the above. Show Answer Correct Answer: A) Electric spark. 30. ..... is a device used to protect buildings from the effect of lightning. A) MCB. B) Electric meter. C) Fuses. D) Lightning conductor. Show Answer Correct Answer: D) Lightning conductor. 31. The Procces of Giving electric charge to an object is called ..... A) Charging the object. B) Object by charging. C) All the above. D) None of the above. Show Answer Correct Answer: A) Charging the object. 32. The power of an earthquake is expressed in terms of magnitude on a scale called A) Earth Scale. B) Richter Scale. C) Righter Scale. D) Quake scale. Show Answer Correct Answer: B) Richter Scale. 33. ..... is provided in building to protect us from electrical shocks due to to any leakage of electrical current. A) Discharged. B) Lightning. C) Birds. D) Earthing. Show Answer Correct Answer: D) Earthing. 34. An earthquake lasts for a long time. A) Not mentioned. B) True. C) False. D) Partially true. Show Answer Correct Answer: C) False. 35. Which is not a sure test to know the presence of charge on a body A) Attraction. B) Repulsion. C) Both. D) None. Show Answer Correct Answer: A) Attraction. 36. Lightning conductor is installed on a building A) To collect the electric power present in the building. B) To repel the lightning that falls on the building. C) To force the lightning to fall in an area where there are no buildings. D) To conduct electric charge to the ground when lightning strikes the building. Show Answer Correct Answer: D) To conduct electric charge to the ground when lightning strikes the building. 37. The waves are recorded by Richter scale. A) True. B) Not mentioned. C) False. D) Partially true. Show Answer Correct Answer: C) False. 38. The unit of force is A) Newton. B) Aa. C) Qq. D) Cc. Show Answer Correct Answer: A) Newton. 39. The lightning conductor was first established by a scientist named A) Thales. B) Benjamin Franklin. C) Isaac Newton. D) Robert Hooke. Show Answer Correct Answer: B) Benjamin Franklin. 40. Earthquakes are caused by the A) Movement of earth plates. B) High pollution level. C) Tilting of earth axis. D) None of the above. Show Answer Correct Answer: A) Movement of earth plates. 41. There are how many charge types A) 2. B) 5. C) 3. D) None of the above. Show Answer Correct Answer: A) 2. 42. Tribo electric charging is: A) Charging by friction. B) Charging by induction. C) Charging my conduction. D) None of the above. Show Answer Correct Answer: A) Charging by friction. 43. Electroscope is used to A) Check presence of charge. B) Measure the conductivity. C) Presence of magnetism. D) None of the above. Show Answer Correct Answer: A) Check presence of charge. 44. The charges in the cloud are present in A) Ice particles. B) Air. C) Water droplets. D) None of the above. Show Answer Correct Answer: C) Water droplets. 45. Maximum damage occurs at epicentre. A) True. B) False. C) Partially true. D) Not mentioned. Show Answer Correct Answer: A) True. 46. The magnitude of earthquake is measured using: A) Decibel Scale. B) Celsius. C) Richter Scale. D) Kelvin. Show Answer Correct Answer: C) Richter Scale. 47. What is a series of sea waves caused by underwater earthquakes called? A) Storm surge. B) Rip current. C) Massive flooding. D) Tsunami. Show Answer Correct Answer: D) Tsunami. 48. What is a meteorological natural phenomena? A) Changes in the climate that occur in the atmosphere. B) Changes in the climate that occur in the Hydrosphere. C) Changes in the climate that occur in the Mesosphere. D) None of the above. Show Answer Correct Answer: A) Changes in the climate that occur in the atmosphere. 49. Rubbing increases the area of contact and transfer of electrons from one object to another is called ..... A) Charging by friction. B) Charging by induction. C) Charging by electricity. D) Charging by conduction. Show Answer Correct Answer: A) Charging by friction. 50. In the phrase, "The Richter scale measures the potency and duration of seismic events, " what does "potency" mean? A) Strength. B) Type. C) Speed. D) Time. Show Answer Correct Answer: A) Strength. 51. A device used to test the charge on an object is called ..... A) Ammeter. B) Electroscope. C) Seismograph. D) None of these. Show Answer Correct Answer: B) Electroscope. 52. WHICH OF THE FOLLOWING CANNOT BE PREDICTED BY THE WEATHER DEPARTMENT? A) CYCLONE. B) LIGHTNING. C) EARTHQUAKE. D) ALL. Show Answer Correct Answer: C) EARTHQUAKE. 53. When there is a thunderstorm and you need to give someone an urgent message to someone then the safest way is A) Phone. B) Landline. C) Letter. D) Go to their place and give the message. Show Answer Correct Answer: A) Phone. 54. A lightning conductor is fixed in the bottom of the building. A) True. B) False. C) Partially true. D) Not mentioned. Show Answer Correct Answer: B) False. 55. What is a geophysical natural phenomena? A) Natural phenomena that originate inside planets or on its surface. B) Natural phenomena that originate inside PR or on its surface. C) Natural phenomena that originate inside Earth or on its surface. D) None of the above. Show Answer Correct Answer: C) Natural phenomena that originate inside Earth or on its surface. 56. ..... is provided in buildings to protect us from electric shocks. A) Wiring. B) Sealing. C) Earthing. D) Lightning. Show Answer Correct Answer: C) Earthing. 57. Lightning occur due to rain A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 58. Which is the phenomena which is not predictable by scienentist? A) Tsunami. B) Lightning. C) Thunder storm. D) Earthquake. Show Answer Correct Answer: D) Earthquake. 59. The weak zone are known as sesmic or ..... A) Good zone. B) Fault zone. C) Earthquake. D) Brushing past. Show Answer Correct Answer: B) Fault zone. 60. Lightning occured when two charges they are: A) Both positive. B) Both negative. C) One negative and one positive. D) Both neutral. Show Answer Correct Answer: C) One negative and one positive. ← PreviousNext →Related QuizzesScience QuizzesClass 8 QuizzesClass 8 Science Chapter 15 Some Natural Phenomena Quiz 1Class 8 Science Chapter 15 Some Natural Phenomena Quiz 2Class 8 Science Chapter 15 Some Natural Phenomena Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books