This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 15 Some Natural Phenomena – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 15 Some Natural Phenomena Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose the substance that will become negatively charged when rubbed with silk: A) Glass. B) Calcium. C) Ebonite. D) Fur. Show Answer Correct Answer: C) Ebonite. 2. The movement of the Earth's plate causes A) Earthquake. B) Lightening. C) All the above. D) None of the above. Show Answer Correct Answer: A) Earthquake. 3. Name the scientist who invented electroscope. A) William Gilbert. B) Antonie van Leeuwenhoek. C) Issac Newton. D) Tycho Brahe. Show Answer Correct Answer: A) William Gilbert. 4. A object that is used to test wether an object is carrying charge or not. A) Seismograph. B) Earthing. C) Electroscope. D) Richter scale. Show Answer Correct Answer: C) Electroscope. 5. The object which ..... electrons becomes negatively charged. A) Discharges. B) Loses. C) Neutralizes. D) Gains. Show Answer Correct Answer: D) Gains. 6. Instrument used to find the source of seismic waves is known as ..... A) Seismometer. B) Voltameter. C) Galvanometer. D) Ammeter. Show Answer Correct Answer: A) Seismometer. 7. Power of an earthquake is measured on ..... scale A) Seismic scale. B) Iron scale. C) Richter scale. D) Large scale. Show Answer Correct Answer: C) Richter scale. 8. Two charged objects are brought close to each other. Choose the most appropriate statement from the following options: A) They may repel. B) They may attract. C) They may attract or repel depending on the type of charges they carry. D) There will be no effect. Show Answer Correct Answer: C) They may attract or repel depending on the type of charges they carry. 9. When an atom loses electrons, there is less number of electrons than protons. The object becomes ..... A) Neutral. B) Negatively charged. C) Positively charged. D) Ions. Show Answer Correct Answer: C) Positively charged. 10. 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. 11. 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. 12. The point of origin of sesmic waves A) Epicentre. B) Seismic point. C) Seismic origin. D) Seismic focus. Show Answer Correct Answer: D) Seismic focus. 13. 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. 14. The SI Unit of measuring electric current is A) Watts. B) Volts. C) Power. D) Ampere. Show Answer Correct Answer: D) Ampere. 15. Tsunami means A) Earthquake. B) Floods. C) Earthquake under the sea. D) Eruption of volcano in a sea. Show Answer Correct Answer: C) Earthquake under the sea. 16. 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. 17. Earthquake of which magnitude of the following cause the maximum damage? A) 3.0. B) 8.0. C) 5.0. D) 4.0. Show Answer Correct Answer: B) 8.0. 18. 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. 19. The device used to measure intensity of earthquakes is A) Seismograph. B) Odometer. C) Hygrometer. D) Anemometer. Show Answer Correct Answer: A) Seismograph. 20. 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. 21. 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. 22. Earthquakes can cause(i) Tsunami(ii) Landslide(iii) Floods(iv) Lightning A) (extent), (II) & (III). B) (ii) & (iv). C) (ii), (iii) & (iv). D) (iiii) & (iv). Show Answer Correct Answer: A) (extent), (II) & (III). 23. Which of the following can protect buildings from the effects of lightning? A) Seismograph. B) In Moscope. C) Gold leaf electroscope. D) Lightning conductors. Show Answer Correct Answer: D) Lightning conductors. 24. 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". 25. Lightning always follows A) A thunder. B) Rain for. C) The easiest path. D) A straight path. Show Answer Correct Answer: A) A thunder. ← 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 5Class 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