This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Science > Sound > Class 8 Science Chapter 13 Sound – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 6 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain the term wavelength in relation to sound. A) Wavelength is the time it takes for a sound wave to travel a certain distance. B) Wavelength refers to the speed of sound in a medium, affecting its pitch. C) Wavelength is the distance between successive peaks of a sound wave, related to its frequency. D) Wavelength is the amplitude of a sound wave, indicating its loudness. Show Answer Correct Answer: C) Wavelength is the distance between successive peaks of a sound wave, related to its frequency. 2. A sound with a high frequency has a ..... pitch. A sound with a ..... frequency has a low pitch. A) High, medium. B) Low, high. C) High, low. D) Medium, high. Show Answer Correct Answer: C) High, low. 3. Which word has a long /iy/? A) Dip. B) Deep. C) All the above. D) None of the above. Show Answer Correct Answer: B) Deep. 4. What long vowel sound do you hear in the word ceiling A) E. B) I. C) A. D) O. Show Answer Correct Answer: A) E. 5. Marlee is studying for her physics exam and needs to know which electromagnetic waves have the lowest energy. Can you help her? A) X rays. B) Microwaves. C) Radio waves. D) None of the above. Show Answer Correct Answer: C) Radio waves. 6. The lowest point on a wave A) Frequency. B) Wavelength. C) Trough. D) Crest. Show Answer Correct Answer: C) Trough. 7. 7) The coach got mad of the players . ..... always late. A) They're. B) Their. C) There. D) None of the above. Show Answer Correct Answer: A) They're. 8. A sound wave with frquencies above 20000 Hz A) Subsonic. B) Supersonic. C) Infrasonic. D) Ultrasonic. Show Answer Correct Answer: D) Ultrasonic. 9. Which list is in the correct order to show the speed of sound in different materials, starting with the slowest? A) Solids, liquids, gases. B) Solids, gases, liquids. C) Gases, liquids, solids. D) Liquids, solids, gases. Show Answer Correct Answer: C) Gases, liquids, solids. 10. How do sound waves move? A) In one direction. B) Forward and backward. C) Side to side. D) In all directions. Show Answer Correct Answer: D) In all directions. 11. Your ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. Which word has the same vowel sound as grew? A) Blue. B) Green. C) Seat. D) Great. Show Answer Correct Answer: A) Blue. 13. What does sound have in common with ripples in a pond? A) They both make noise. B) Sound moves through the air just like ripples move through water. C) They can both be seen. D) None of the above. Show Answer Correct Answer: B) Sound moves through the air just like ripples move through water. 14. Above ..... dB the sound becomes physically painful A) 60. B) 130. C) 110. D) 70. Show Answer Correct Answer: D) 70. 15. How loud a sound is, is called A) Pitch. B) Volume. C) Vibrations. D) None of the above. Show Answer Correct Answer: B) Volume. 16. Vibration is also known as A) Vibratory motion. B) Translatory motion. C) Oscillatory motion. D) None of these. Show Answer Correct Answer: C) Oscillatory motion. 17. Diffrentiate between music and noise. A) Music is pleasant to listen to, while noise is unpleasant. B) Music is created by humans, while noise is natural. C) Noise is useful, while Music disturbs the human ear. D) Music is random and chaotic, while noise is organized and structured. Show Answer Correct Answer: A) Music is pleasant to listen to, while noise is unpleasant. 18. A disturbance that travels through a medium as a longitudinal wave A) Sound. B) Wavelength. C) Pitch. D) Frequency. Show Answer Correct Answer: A) Sound. 19. The maximum displacement of the pendulum bob A) Frequency. B) Amplitude. C) Time period. D) None of the above. Show Answer Correct Answer: B) Amplitude. 20. During a science class, Autumn, Mason, and Aubree are discussing the main colors in the visible light spectrum for their project. What are these colors? A) Red, green, and blue. B) Red, orange, yellow, green, blue, indigo, and violet. C) Black and white. D) None of the above. Show Answer Correct Answer: B) Red, orange, yellow, green, blue, indigo, and violet. 21. Loudness of sound is measured in units of A) Metre/second (m/s). B) Decibel (dB). C) Metre (m). D) Hertz (Hz). Show Answer Correct Answer: B) Decibel (dB). 22. What was life for Evelyn? A) Dance. B) Nature. C) Music. D) All. Show Answer Correct Answer: C) Music. 23. Which of the following is NOT an example of a mechanical wave A) UV Light. B) Echo. C) Ocean waves. D) Seismic waves. Show Answer Correct Answer: A) UV Light. 24. Find the word that has the same beginning sound as slip. A) Sleep. B) Trip. C) Seal. D) Nap. Show Answer Correct Answer: A) Sleep. 25. The ear changes sound waves into: A) Light. B) Nerve impulses. C) Heat. D) Nerves. Show Answer Correct Answer: B) Nerve impulses. 26. Where did Bismillah give his first break through his performance? A) At the Red Fort. B) At Varanasi. C) At All India Radio. D) U.S.A. Show Answer Correct Answer: C) At All India Radio. 27. 1) ..... bag is that? ..... on the bench. A) Who's/ It's. B) Whose / It's. C) Who's / Its. D) None of the above. Show Answer Correct Answer: B) Whose / It's. 28. Sound is a kind of A) Work. B) Pressure. C) Energy. D) Force. Show Answer Correct Answer: C) Energy. 29. What is the range of frequencies audible to the human ear A) 20 Hz-20.000 Hz. B) Higher than 20.000 Hz. C) 0 Hz-infinite Hz. D) Lower than 20 Hz. Show Answer Correct Answer: A) 20 Hz-20.000 Hz. 30. What are transverse waves? A) In these waves the individual particles of the medium move in a direction parallel to the direction of propagation of the disturbance. B) In these waves the individual particles of the medium move in a direction perpendicular to the direction of propagation of the disturbance. C) Both 1st and 2nd options. D) None of above. Show Answer Correct Answer: B) In these waves the individual particles of the medium move in a direction perpendicular to the direction of propagation of the disturbance. 31. What sound do the blue letters make in the word quart? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: A) /kw/. 32. What is the middle sound in the word 'frog'? A) R. B) F. C) O. D) G. Show Answer Correct Answer: C) O. 33. What sound do the blue letters make in the word stage? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: C) /j/. 34. High pitch sounds are caused by a ..... vibration A) Slow. B) Fast. C) Hard. D) Soft. Show Answer Correct Answer: B) Fast. 35. The lowest point on a wave is the: A) Amplitude. B) Crest. C) Trough. D) Wavelength. Show Answer Correct Answer: C) Trough. 36. Sound requires a to travel in. A) Road. B) Wave. C) Medium. D) None of these. Show Answer Correct Answer: C) Medium. 37. What will be the frequency, if the string of a guitar is tight? A) Low. B) High. C) No change. D) None of these. Show Answer Correct Answer: B) High. 38. What sound do you hear at the end of:Shouted? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: A) -ed. 39. What is the vowel sound in this word?Cheese A) Short e. B) Long e. C) All the above. D) None of the above. Show Answer Correct Answer: B) Long e. 40. Pitch or shrillness of the sound depends upon the A) Loudness. B) Amplitude. C) Frequency. D) None of the above. Show Answer Correct Answer: C) Frequency. 41. What long vowel sound do you hear in the word eighteen A) A. B) O. C) I. D) E. Show Answer Correct Answer: A) A. 42. What sound do you hear at the end of:Painted? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: A) -ed. 43. What is the main idea of the section "Modern Master of Creepy Sounds" ? A) Haggerwood says two things make soundscapes scary: "creepiness" and "shock factor.". B) Creepiness comes from background sounds, such as whirrs or rumbles or hums. C) Finally, Haggerwood adds the really scary parts:zombie moans, shrieks and footsteps. D) Leigh Haggerwood is a polite English musician. Show Answer Correct Answer: A) Haggerwood says two things make soundscapes scary: "creepiness" and "shock factor.". 44. Plant the seeds in the ****. A) Eirth. B) Eaarth. C) Earth. D) Erath. Show Answer Correct Answer: C) Earth. 45. What is the purpose of an informational text? A) To make the reader cry. B) To introduce the reader to new characters. C) To inform or teach the reader. D) To tell a story. Show Answer Correct Answer: C) To inform or teach the reader. 46. Ed wants a **** in medicine. A) Kereer. B) Career. C) Kareer. D) Carear. Show Answer Correct Answer: B) Career. 47. What sound do the blue letters make in the word smudge? A) /j/. B) /k/. C) /kw/. D) None of the above. Show Answer Correct Answer: A) /j/. 48. What medium do seismic waves (earthquakes) travel through? A) Water. B) The ground. C) Outer space. D) The air. Show Answer Correct Answer: B) The ground. 49. Find the word with the same middle sound as town. A) Toon. B) Flour. C) Soon. D) Mower. Show Answer Correct Answer: B) Flour. 50. What sound do you hear at the end of:Wanted? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: A) -ed. 51. What do we call the SI unit for amount of a substance? A) Liter. B) Kilogram. C) Avogadros number. D) Mole. Show Answer Correct Answer: D) Mole. 52. Shehnai is a refined version of which instrument? A) Mouth organ. B) Musical instrument. C) Pungi. D) Guitar. Show Answer Correct Answer: C) Pungi. 53. Which word has the same vowel sound as curl? A) More. B) Twirl. C) Pump. D) Dark. Show Answer Correct Answer: B) Twirl. 54. Loud sound can travel a larger distance, due to A) Higher amplitude. B) Higher energy. C) High speed. D) High frequency. Show Answer Correct Answer: B) Higher energy. 55. How is the file size of an image calculated? A) Sample rate * sample resolution * length in seconds. B) Width in pixels * height in pixels. C) Number of pixels squared. D) Number of pixels in image * colour depth. Show Answer Correct Answer: D) Number of pixels in image * colour depth. 56. Find the word with the same beginning sound as street. A) Clean. B) Staple. C) Strip. D) Feet. Show Answer Correct Answer: C) Strip. 57. Awake has the schwa sound A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 58. What long vowel sound do you hear in cheese? A) Long a. B) Long e. C) Long o. D) Long i. Show Answer Correct Answer: B) Long e. 59. What sound do you hear at the end of:Washed? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: C) -t. 60. What is the definition of Sound?? A) Sound is a form of light energy. B) Sound is a form of electromagnetic radiation. C) Sound is a form of energy that is transmitted through vibrations or waves in a medium such as air, water, or solids. D) Sound is a form of matter. Show Answer Correct Answer: C) Sound is a form of energy that is transmitted through vibrations or waves in a medium such as air, water, or solids. ← PreviousNext →Related QuizzesScience QuizzesClass 8 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 7Class 8 Science Chapter 13 Sound Quiz 8Class 8 Science Chapter 13 Sound Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books