This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Some Natural Phenomena > Class 8 Science Chapter 15 Some Natural Phenomena – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 15 Some Natural Phenomena Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a wave generated by earthquake vibrations called? A) Earthquake chart. B) Seismic wave. C) Seismology. D) Surface wave. Show Answer Correct Answer: B) Seismic wave. 2. How Do We Protect Our Building From Lighting? A) Plastic Rod. B) Metal Rod. C) Copper(Lighting Rod). D) None Of The Above. Show Answer Correct Answer: C) Copper(Lighting Rod). 3. Static electricity charges can be produced by A) Heating. B) Rubbing. C) Hammering. D) Beating. Show Answer Correct Answer: B) Rubbing. 4. Major earthquakes are less likely to occur in A) Chhattisgarh. B) Rann of Kutch. C) North East India. D) Rajasthan. Show Answer Correct Answer: A) Chhattisgarh. 5. The waves produced on the earth surface during earthquake are called ..... A) Seismic Waves. B) Longitudinal Waves. C) Micro Waves. D) Radio Waves. Show Answer Correct Answer: A) Seismic Waves. 6. The transfer of charges from charged object to ..... (i) ..... is called ..... (ii) ..... A) (i):Earth(ii):Earthing. B) (i):Earth(ii):Skying. C) (i):Space(ii):Spacing. D) (i):Sky(ii):Skying. Show Answer Correct Answer: A) (i):Earth(ii):Earthing. 7. The point on the Earth's surface, right above the source of an earthquake is called ..... A) Focus. B) Epicentre. C) Seismic Point. D) None of the above. Show Answer Correct Answer: B) Epicentre. 8. What is a natural disaster? A) Events that have a negative effect on a large number of people. B) Events that have a positive effect on a large number of people. C) Events that occur in the Universe. D) None of the above. Show Answer Correct Answer: A) Events that have a negative effect on a large number of people. 9. Like charges attract each other. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Take shelter under a table and stay there till the shaking stops.In which phenomena we should do this? A) Tsunami. B) Lightning. C) Earthquake. D) Volcanic eruption. Show Answer Correct Answer: C) Earthquake. 11. Sparks can be seen on an electric pole when wires become A) Wrinkled. B) Shorter. C) Loose. D) Tight. Show Answer Correct Answer: C) Loose. 12. The process of electric discharge can occur between A) Two clouds. B) A cloud and the Earth. C) Any number of clouds. D) All of the above. Show Answer Correct Answer: D) All of the above. 13. Which of the following occurs during lightning? A) Nitrogen fixation. B) Greenhouse effect. C) Acid rain. D) None of these. Show Answer Correct Answer: A) Nitrogen fixation. 14. Statement A:The process of transfer of charges between two clouds is called thunderStatement B:The process of transfer of charge from cloud to earth is called lightning A) Both A and B are true. B) A is true but B is false. C) A is false but B is false. D) Both A and B are false. Show Answer Correct Answer: A) Both A and B are true. 15. The place inside the earth's crust where the earthquake is generated is known as: A) Epicenter. B) Focus. C) Fault. D) None of the above. Show Answer Correct Answer: B) Focus. 16. Which instrument is used to measure earthquake? A) Richter scale. B) Seismograph. C) Polygraph. D) None of these. Show Answer Correct Answer: B) Seismograph. 17. What is nature of the electric charges by rubbing? A) Positive. B) Negative. C) Static. D) Neutral. Show Answer Correct Answer: C) Static. 18. Who discovered the causes of Lightning and when? A) Benjamin Franklin, 1752. B) Benjamin Franklin, 1725. C) Hello Franklin, 1857. D) Benjamin Frankenstein, 2021. Show Answer Correct Answer: A) Benjamin Franklin, 1752. 19. The process of transfer of charges from a charged object to the earth is called ..... A) Lightning. B) Oscillation motion. C) Earthing. D) Electron movement. Show Answer Correct Answer: C) Earthing. 20. Statement A:Electric charges are generated by rubbing two objects with each otherstatement B:like charges attract and unlike charges repel each other A) Both A and B are true. B) A is true but B is false. C) A is false but B is true. D) Both A and B are false. Show Answer Correct Answer: B) A is true but B is false. 21. The thing that can be used to remove smoke from a chimney is known as a? A) Dust buster. B) Dust precipitator. C) Defibrillator. D) Electron precipitator. Show Answer Correct Answer: B) Dust precipitator. 22. During earthquake take shelter under a table. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 23. Imagine your are in a car and the stuck up in a thunderstorm. Which of the following is the best way to protect yourself from possible harms? A) Remaining in the car. B) Getting out of the car and taking cover under the car. C) Running to a nearby tree. D) Getting out and standing under an electric poll. Show Answer Correct Answer: A) Remaining in the car. 24. When does a body become positively charged? A) More number of electrons. B) More number of protons. C) Less number of protons. D) Less number of electrons. Show Answer Correct Answer: D) Less number of electrons. 25. Plastic straws A and B are rubbed with a dry cotton cloth. What will happen if they are brought near each other? A) Repel each other. B) Create a magnetic field. C) Attract each other. D) No change. Show Answer Correct Answer: A) Repel each other. 26. The epicentre of an earthquake is A) Deep under the crust of earth. B) In the mantle of earth. C) On the surface of earth. D) In the core of earth. Show Answer Correct Answer: C) On the surface of earth. 27. If Protons and Electrons are the same A) A plastic scale. B) A copper rod. C) An inflated balloon. D) None of the above. Show Answer Correct Answer: B) A copper rod. 28. What are the main causes of tsunamis? A) Earthquakes. B) Landslides. C) Volcanic eruptions. D) Meteorites. Show Answer Correct Answer: A) Earthquakes. 29. The objects which ..... electrons become positively charged. A) Absorb. B) Neutralize. C) Loses. D) Gain. Show Answer Correct Answer: C) Loses. 30. During lightning, air is normally A) A good conductor. B) A poor conductor. C) Both, a good conductor and poor conductor. D) None of these. Show Answer Correct Answer: A) A good conductor. 31. Lightning rod is a device used to secure tall buildings from the effect of lightning. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 32. Which of the following is a negatively charged partice? A) Electrons. B) Protons. C) Neutrons. D) All of the above. Show Answer Correct Answer: A) Electrons. 33. Lightning is an ..... but on a huge scale. A) Charged object. B) Electric spark. C) A phenomena. D) None of these. Show Answer Correct Answer: B) Electric spark. 34. Elevated places save us from lightning A) Can't say. B) Neither true nor false. C) True. D) False. Show Answer Correct Answer: D) False. 35. An ..... happens when a charge quickly moves from one object to another. A) Repel. B) Electric discharge. C) Electric force. D) Attract. Show Answer Correct Answer: B) Electric discharge. 36. Which of the following pair of objects produces charges on rubbing them with each otheri) silk, glass ii) plastic refill, polythene sheet iii) wool, refill iv)hair, comb A) I, ii, iv only. B) I and iv only. C) Ii and iii only. D) I, ii, iii and iv. Show Answer Correct Answer: D) I, ii, iii and iv. 37. Method of charging an object by allowing electric charge to flow by direct contact from one object to another object. A) Electric force. B) Induction. C) Conduction. D) Friction. Show Answer Correct Answer: C) Conduction. 38. What causes lightning? A) Angry God. B) Shaking of clouds. C) The interaction of clouds with opposite charges. D) None of these. Show Answer Correct Answer: C) The interaction of clouds with opposite charges. 39. What is the point on the surface of the earth directly above the focus of an earthquake? A) Epicenter. B) Fault. C) Focus. D) Intensity. Show Answer Correct Answer: A) Epicenter. 40. The process of transferring change from a charged body to earth is called ..... A) Earthing. B) Processing. C) Charging. D) Transferring. Show Answer Correct Answer: A) Earthing. 41. The magnitudes of two earthquakes, A and B, on the Richter scale, were 7 and 5, respectively. The strength of A) Earthquake A is 1/10 times that of earthquake B. B) Earthquake A is 2 times that of earthquake B. C) Earthquake A is 100 times that of earthquake B. D) Earthquake A is 10 times that of earthquake B. Show Answer Correct Answer: C) Earthquake A is 100 times that of earthquake B. 42. During a thunderstorm which action may be done? A) Using Telephone having cord. B) Switching on / off electric lights. C) Using a mobile phone. D) None of the above. Show Answer Correct Answer: C) Using a mobile phone. 43. Which device is used to protect buildings from the effect of lightning? A) Lightning conductor. B) Seismometer. C) Electroscope. D) Fire extinguisher. Show Answer Correct Answer: A) Lightning conductor. 44. Long period of time without rain is ..... A) Famine. B) Flood. C) Drought. D) Wildfire. Show Answer Correct Answer: C) Drought. 45. The movement of the earth's plates causes A) Lightning. B) Cyclones. C) Earthquakes. D) Thunderstorms. Show Answer Correct Answer: C) Earthquakes. 46. We should not lie flat on the ground during lightning. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. Who is a scientist that studies earthquakes? A) Earthquakologist. B) Seismologist. C) Meteorologist. D) Volcanologist. Show Answer Correct Answer: B) Seismologist. 48. A device used to protect tall buildings from lightning is called metal detector. A) Not mentioned. B) Partially true. C) False. D) True. Show Answer Correct Answer: C) False. 49. The overall charge of an atom is neutral when A) Number of neutrons are more than number of protons. B) Number of neutrons are more than number of electrons. C) Number of neutrons are equal to number of protons and electrons. D) Number of protons are equal to number of electrons. Show Answer Correct Answer: D) Number of protons are equal to number of electrons. 50. The vibrations in the earth caused by the sudden release of energy is called an ..... A) Tsunami. B) Epicenter. C) Aftershock. D) Earthquake. Show Answer Correct Answer: D) Earthquake. 51. The power of an earthquake is expressed on a scale called A) Richter scale. B) Iron scale. C) Seismic scale. D) Larger scale. Show Answer Correct Answer: A) Richter scale. 52. Which of these is not an example of static charge being a nuisance? A) Clothes clinging and crackling. B) Dust attracting to table tops. C) Small shocks from door handles. D) Small shock from a 9v battery. Show Answer Correct Answer: D) Small shock from a 9v battery. 53. Charges are discovered by whom? A) Newton. B) Abraham. C) Benjamin Franklin. D) None of the above. Show Answer Correct Answer: C) Benjamin Franklin. 54. How deep is a shallow A) 1-100 km. B) 1253 km-1545 km. C) 70-300 m. D) 60-70 m. Show Answer Correct Answer: D) 60-70 m. 55. Choose the substance that will become negatively charged when rubbed with silk: A) Ebonite. B) Glass. C) Calcium. D) Fur. Show Answer Correct Answer: A) Ebonite. 56. Name the scientist who invented electroscope. A) Issac Newton. B) Tycho Brahe. C) Antonie van Leeuwenhoek. D) William Gilbert. Show Answer Correct Answer: D) William Gilbert. 57. A object that is used to test wether an object is carrying charge or not. A) Electroscope. B) Earthing. C) Seismograph. D) Richter scale. Show Answer Correct Answer: A) Electroscope. 58. The object which ..... electrons becomes negatively charged. A) Discharges. B) Neutralizes. C) Gains. D) Loses. Show Answer Correct Answer: C) Gains. 59. Instrument used to find the source of seismic waves is known as ..... A) Ammeter. B) Galvanometer. C) Voltameter. D) Seismometer. Show Answer Correct Answer: D) Seismometer. 60. Power of an earthquake is measured on ..... scale A) Iron scale. B) Seismic scale. C) Richter scale. D) Large scale. Show Answer Correct Answer: C) Richter scale. ← PreviousNext →Related QuizzesScience QuizzesClass 8 QuizzesClass 8 Science Chapter 15 Some Natural Phenomena Quiz 1Class 8 Science Chapter 15 Some Natural Phenomena Quiz 3Class 8 Science Chapter 15 Some Natural Phenomena Quiz 4 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books