This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Loudness of sound is determined by A) Pitch. B) Frequency. C) Amplitude. D) Time period. Show Answer Correct Answer: C) Amplitude. 2. What sound do the blue letters make in the word budget? A) /k/. B) /kw/. C) /j/. D) None of the above. Show Answer Correct Answer: C) /j/. 3. 3) The Smiths are so rich ..... buying a new car. A) Thei're. B) Their. C) They're. D) None of the above. Show Answer Correct Answer: C) They're. 4. An object is vibrating at 50 hertz. What is its time period? A) 0.02 s. B) 2 s. C) 0.2 s. D) 20.0s. Show Answer Correct Answer: A) 0.02 s. 5. When was Evelyn's deafness noticed? A) When she was 18. B) When she was 19. C) When she was 8. D) None. Show Answer Correct Answer: C) When she was 8. 6. A place where no sound exists is ..... A) In the air. B) Under water. C) Space. D) All of the above. Show Answer Correct Answer: C) Space. 7. I eat my ice cream with a ..... A) Spoon. B) Spoen. C) Spuen. D) Spewn. Show Answer Correct Answer: A) Spoon. 8. A 10-second sound recorded at 1000 Hz and 8-bit sample resolution will have a file size of ..... A) 10 KB. B) 10 B. C) 10, 000 KB. D) 10, 000 B. Show Answer Correct Answer: A) 10 KB. 9. ..... is the amount of energy in a sound wave. A) Amplitude. B) Echo. C) Volume. D) Vibration. Show Answer Correct Answer: A) Amplitude. 10. The volume of a sound is measured in units called ..... A) Decibels. B) Liters. C) Sound waves. D) None of the above. Show Answer Correct Answer: A) Decibels. 11. The horizontal distance between crests A) Amplitude. B) Frequency. C) Crest. D) Wavelength. Show Answer Correct Answer: D) Wavelength. 12. Find the word that has the same middle/vowel sound as ..... bench. A) Book. B) Catch. C) Week. D) Men. Show Answer Correct Answer: D) Men. 13. If the speed of sound in water is 1500 m/s, then what is the depth of the sea? A) 6000. B) 1500. C) 3000. D) 15000. Show Answer Correct Answer: C) 3000. 14. My dog will ..... the bone. A) Chue. B) Chew. C) Choo. D) Choe. Show Answer Correct Answer: B) Chew. 15. How bright the stars **** tonight! A) Apear. B) Appear. C) Appeaar. D) Appuear. Show Answer Correct Answer: B) Appear. 16. Find the word that has the same beginning sound as the word:break A) Bring. B) Barn. C) Blame. D) Rake. Show Answer Correct Answer: A) Bring. 17. What is ultrasound mostly used for? A) Shipping. B) Military. C) Medical use. D) Firefighter. Show Answer Correct Answer: C) Medical use. 18. What is the sound of the th in this word (health)? A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: B) Voiceless. 19. Who thought of improving the sound of the Pungi? A) A musician. B) A singer. C) A barber. D) None. Show Answer Correct Answer: C) A barber. 20. What is the ending sound in the word 'bell'? A) L. B) B. C) A. D) E. Show Answer Correct Answer: A) L. 21. Choose the word that has a WELDED SOUND. A) Shut. B) Ring. C) Slick. D) None of the above. Show Answer Correct Answer: B) Ring. 22. You cannot hear ultrasound because it is: A) Too loud. B) Too quiet. C) High frequency. D) Low frequency. Show Answer Correct Answer: C) High frequency. 23. Sound travels through solids, but not through liquids and gases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 24. Artisti A) Artistik. B) Artistic. C) Artistick. D) Artistike. Show Answer Correct Answer: B) Artistic. 25. What is the smallest representable part of an image? A) Pixel. B) Bit depth. C) Sample. D) Resolution. Show Answer Correct Answer: A) Pixel. ← 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 9Class 8 Science Chapter 13 Sound Quiz 10Class 8 Science Chapter 13 Sound Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books