This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 19 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How excited are you for Halloween? A) SUPER EXCITED!. B) I don't care. I don't like Halloween. C) All the above. D) None of the above. Show Answer Correct Answer: A) SUPER EXCITED!. 2. The higher pitched sounds make the vibration move ..... A) Slowly. B) Quickly. C) All the above. D) None of the above. Show Answer Correct Answer: B) Quickly. 3. What is the beginning sound in the word 'snake'? A) N. B) T. C) M. D) S. Show Answer Correct Answer: D) S. 4. On increasing the temperature, the speed of sound in air: A) Decrease. B) Remain same. C) Increase. D) Decrease just half the speed. Show Answer Correct Answer: C) Increase. 5. Bersemangat, Tekun dan Mandiri merupakan ciri dari sifat ..... A) Kesadaran. B) Aktualisasi diri. C) Keterlibatan. D) Akuntabilitas. Show Answer Correct Answer: B) Aktualisasi diri. 6. Echo is the term used for the sound that is reflected back to its source. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. During a science class, Jaden, Jayden, and Jackson were discussing the electromagnetic spectrum. Which part of the electromagnetic spectrum can we see? A) Visible light. B) Gamma rays. C) Radio waves. D) None of the above. Show Answer Correct Answer: A) Visible light. 8. If the direction of the vibration of particles is parallel to the direction of the propagation of wave, then the wave is a ..... A) Transverse wave. B) Longitudinal wave. C) Electromagnetic wave. D) All the above. Show Answer Correct Answer: B) Longitudinal wave. 9. Competitors A) /s/. B) /z/. C) /IZ/. D) None of the above. Show Answer Correct Answer: B) /z/. 10. ..... materials allow some light to pass through, but some light is scattered. A) Transparent. B) Translucent. C) Opaque. D) Concave. Show Answer Correct Answer: B) Translucent. 11. What will result in an echo? A) Sound being bounced around a small room. B) Reflection of sound far from the reflecting surface. C) Sound being absorbed by objects in a large room. D) Reflection of sound very close to the reflecting surface. Show Answer Correct Answer: B) Reflection of sound far from the reflecting surface. 12. The ear functions for ..... A) Balance. B) Hearing. C) Both balance and hearing. D) None of the above. Show Answer Correct Answer: C) Both balance and hearing. 13. Which of the following best describes the nature of light waves? A) Light waves are mechanical and longitudinal. B) Light waves are mechanical and transverse. C) Light waves are electromagnetic and longitudinal. D) Light waves are electromagnetic and transverse. Show Answer Correct Answer: D) Light waves are electromagnetic and transverse. 14. Borrowed A) /id/. B) /d/. C) /t/. D) None of the above. Show Answer Correct Answer: B) /d/. 15. Which of the following substances would cause light to be scattered? A) Smog. B) A mirror. C) Clear glass. D) Cardboard. Show Answer Correct Answer: A) Smog. 16. Which long vowel sound do you hear the word FAVORED? A) Long O. B) Long E. C) Long I. D) Long A. Show Answer Correct Answer: D) Long A. 17. What sound does the "ea" make in this word:breath A) Long e. B) Short e. C) Long a. D) None of the above. Show Answer Correct Answer: B) Short e. 18. How is the resolution of an image calculated? A) Width in pixels * height in pixels. B) Colour depth * number of pixels. C) Number of pixels squared. D) Sample rate * sample resolution * length in seconds. Show Answer Correct Answer: A) Width in pixels * height in pixels. 19. C, k and ck make the 'k' sound. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. High pitched sounds have ..... wavelengths A) Long. B) Short. C) No. D) None of the above. Show Answer Correct Answer: B) Short. 21. Which word has the same vowel sound as kind? A) Tie. B) Kid. C) Fish. D) Girl. Show Answer Correct Answer: A) Tie. 22. Stru A) Strucke. B) Struk. C) Struck. D) Struc. Show Answer Correct Answer: C) Struck. 23. In a physics class, Avi, Clayton, and Giavani are discussing the properties of materials. They are curious about which property of the particles in a material affects the speed of sound. What do they conclude? A) The forces between the particles. B) The number of particles. C) The shape of the particles. D) The dimensions of the particles. Show Answer Correct Answer: A) The forces between the particles. 24. If you have a really bad grade you should ..... A) Give up. B) Ditch class. C) Sleep in class. D) Keep trying and come after school to get your grade up. Show Answer Correct Answer: D) Keep trying and come after school to get your grade up. 25. Speed of light in air is: A) 5100 m s$^{-1}$. B) 3*10$^{8}$m s$^{-1}$. C) 330 m s$^{-1}$. D) 3*10$^{10 }$m s$^{-1}$. Show Answer Correct Answer: B) 3*10$^{8}$m s$^{-1}$. ← PreviousNext →Related QuizzesClass 8 Science Chapter 13 Sound Quiz 1Class 8 Science Chapter 13 Sound Quiz 2Class 8 Science Chapter 13 Sound Quiz 3Class 8 Science Chapter 13 Sound Quiz 4Class 8 Science Chapter 13 Sound Quiz 5Class 8 Science Chapter 13 Sound Quiz 6Class 8 Science Chapter 13 Sound Quiz 7Class 8 Science Chapter 13 Sound Quiz 8Class 8 Science Chapter 13 Sound Quiz 9Class 8 Science Chapter 13 Sound Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books