This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the word that has the same beginning sound as the word:soap A) Some. B) Rope. C) Shout. D) Gum. Show Answer Correct Answer: A) Some. 2. Vibrating part in musical instrument Jal Tarang is A) String. B) Stretched Membrane. C) Air Column. D) All of the above. Show Answer Correct Answer: C) Air Column. 3. What is the SI unit of frequency? A) Meter. B) Hertz. C) Kilogram. D) Second. Show Answer Correct Answer: B) Hertz. 4. Find the word that has the same beginning sound as the word:chair A) Clear. B) Chew. C) Share. D) Cool. Show Answer Correct Answer: B) Chew. 5. When the frequency of a wave increases, what happens to the wavelength? A) The wavelength is not directly affected by the frequency of a wave. B) The wavelength increases. C) The wavelength decreases. D) More specific information is needed to form a conclusion about the wavelength. Show Answer Correct Answer: C) The wavelength decreases. 6. Which word has the same vowel sound as cheese? A) Being. B) Asked. C) Said. D) Next. Show Answer Correct Answer: A) Being. 7. Job. A) Sibilant. B) Voiced. C) Voiceless. D) None of the above. Show Answer Correct Answer: B) Voiced. 8. What might happen to an object sitting on top of a speaker if loud music is played through the speaker? A) Absolutely nothing would happen to the object. B) The object could move due to the vibrations of the sound. C) The object could appear a different color because the sound is absorbed. D) The object could stop the sound from being transmitted out of the speaker because sound cannot travel through a solid. Show Answer Correct Answer: B) The object could move due to the vibrations of the sound. 9. At a rock concert, the decibel is used to measure the sound's A) Pitch. B) Loudness. C) Frequency. D) None of the above. Show Answer Correct Answer: B) Loudness. 10. Compared to its speed in air, the speed of light in water is A) Slower. B) The same. C) Faster. D) None of the above. Show Answer Correct Answer: A) Slower. 11. What is the ending sound in the word 'sun'? A) N. B) T. C) M. D) L. Show Answer Correct Answer: A) N. 12. Children under the age of 5 can hear upto A) 25 Hz. B) 20 kHz. C) 30 kHz. D) 25kHz. Show Answer Correct Answer: D) 25kHz. 13. I wanted a green ..... A) Balloen. B) Balluen. C) Ballewn. D) Balloon. Show Answer Correct Answer: D) Balloon. 14. Hill A) Short sound. B) Long sound. C) All the above. D) None of the above. Show Answer Correct Answer: A) Short sound. 15. Needed A) /id/. B) /d/. C) /t/. D) None of the above. Show Answer Correct Answer: A) /id/. 16. What will happen next ..... My favorite TV show is "Blog Dog." It is starting now. A) I will watch the show. B) I will jump rope. C) All the above. D) None of the above. Show Answer Correct Answer: A) I will watch the show. 17. How long or short a wave is, is its A) Pitch. B) Vibrations. C) Wavelength. D) None of the above. Show Answer Correct Answer: C) Wavelength. 18. Find the word that has the same ending sound as the word:friend A) Blend. B) Free. C) Famous. D) Flower. Show Answer Correct Answer: A) Blend. 19. The sky is very ..... A) Bloo. B) Blew. C) Blue. D) Bloe. Show Answer Correct Answer: C) Blue. 20. What is the characteristic that makes a difference between a shrill sound and a soft sound? A) Pitch. B) Amplitude. C) Loudness. D) Quality. Show Answer Correct Answer: A) Pitch. 21. What do waves carry from place to place? A) Matter. B) Energy and matter. C) Energy. D) None of the above. Show Answer Correct Answer: C) Energy. 22. Which of the following is a harmful effect of noise pollution? A) Cold. B) Deafness. C) Cough. D) Fever. Show Answer Correct Answer: B) Deafness. 23. What is the unit of measurement for sound intensity? A) Decibel. B) Hertz. C) Watt. D) Newton. Show Answer Correct Answer: A) Decibel. 24. Which of the following objects is opaque A) Wood. B) Glass. C) Frosted glass. D) Air. Show Answer Correct Answer: A) Wood. 25. The number of vibrations made by a vibrating body in one second is A) Frequency. B) Noise. C) Loudness. D) Pitch. Show Answer Correct Answer: A) Frequency. ← 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