This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 15 Some Natural Phenomena – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 15 Some Natural Phenomena Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. 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. 4. 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. 5. Elevated places save us from lightning A) True. B) False. C) Neither true nor false. D) Can't say. Show Answer Correct Answer: B) False. 6. An ..... happens when a charge quickly moves from one object to another. A) Electric force. B) Electric discharge. C) Attract. D) Repel. Show Answer Correct Answer: B) Electric discharge. 7. 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. 8. Method of charging an object by allowing electric charge to flow by direct contact from one object to another object. A) Friction. B) Conduction. C) Electric force. D) Induction. Show Answer Correct Answer: B) Conduction. 9. 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. 10. 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. 11. The process of transferring change from a charged body to earth is called ..... A) Transferring. B) Processing. C) Charging. D) Earthing. Show Answer Correct Answer: D) Earthing. 12. The magnitudes of two earthquakes, A and B, on the Richter scale, were 7 and 5, respectively. The strength of A) Earthquake A is 100 times that of earthquake B. B) Earthquake A is 10 times that of earthquake B. C) Earthquake A is 2 times that of earthquake B. D) Earthquake A is 1/10 times that of earthquake B. Show Answer Correct Answer: A) Earthquake A is 100 times that of earthquake B. 13. 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. 14. Which device is used to protect buildings from the effect of lightning? A) Electroscope. B) Lightning conductor. C) Seismometer. D) Fire extinguisher. Show Answer Correct Answer: B) Lightning conductor. 15. Long period of time without rain is ..... A) Wildfire. B) Drought. C) Famine. D) Flood. Show Answer Correct Answer: B) Drought. 16. The movement of the earth's plates causes A) Cyclones. B) Lightning. C) Earthquakes. D) Thunderstorms. Show Answer Correct Answer: C) Earthquakes. 17. 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. 18. Who is a scientist that studies earthquakes? A) Meteorologist. B) Earthquakologist. C) Seismologist. D) Volcanologist. Show Answer Correct Answer: C) Seismologist. 19. 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. 20. 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. 21. The vibrations in the earth caused by the sudden release of energy is called an ..... A) Epicenter. B) Aftershock. C) Earthquake. D) Tsunami. Show Answer Correct Answer: C) Earthquake. 22. The power of an earthquake is expressed on a scale called A) Seismic scale. B) Iron scale. C) Richter scale. D) Larger scale. Show Answer Correct Answer: C) Richter scale. 23. 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. 24. Charges are discovered by whom? A) Newton. B) Abraham. C) Benjamin Franklin. D) None of the above. Show Answer Correct Answer: C) Benjamin Franklin. 25. How deep is a shallow A) 60-70 m. B) 70-300 m. C) 1-100 km. D) 1253 km-1545 km. Show Answer Correct Answer: A) 60-70 m. ← PreviousNext →Related 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 3Class 8 Science Chapter 15 Some Natural Phenomena Quiz 4Class 8 Science Chapter 15 Some Natural Phenomena Quiz 6Class 8 Science Chapter 15 Some Natural Phenomena Quiz 7Class 8 Science Chapter 15 Some Natural Phenomena Quiz 8Class 8 Science Chapter 15 Some Natural Phenomena Quiz 9Class 8 Science Chapter 15 Some Natural Phenomena Quiz 10Class 8 Science Chapter 15 Some Natural Phenomena Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books