This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 27 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The **** travelers fell asleep. A) Warey. B) Weiry. C) Weary. D) Weery. Show Answer Correct Answer: C) Weary. 2. What is the beginning sound in the word 'cat'? A) /t/. B) /k/. C) /s/. D) /m/. Show Answer Correct Answer: B) /k/. 3. A special device which is used to find the depth of sea is called: A) RADAR. B) SONAR. C) Reverberation. D) None of the above. Show Answer Correct Answer: B) SONAR. 4. Find the word with the same middle sound as clasp. A) Bat. B) Clay. C) Crisp. D) Clean. Show Answer Correct Answer: A) Bat. 5. What is the speed of sound in air at room temperature? A) 300 meters per second. B) 250 meters per second. C) 400 meters per second. D) 343 meters per second. Show Answer Correct Answer: D) 343 meters per second. 6. Noise is pleasant to our ears. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Samantha is working on a project about light and color. She needs to know, what are the primary colors of light? A) Red, green, and blue. B) Black, white, and gray. C) Green, yellow, and red. D) None of the above. Show Answer Correct Answer: A) Red, green, and blue. 8. Fight A) Short sound. B) Long sound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Long sound. 9. In which medium sound can't travel? A) Solid. B) Liquid. C) Gas. D) Vacuum. Show Answer Correct Answer: D) Vacuum. 10. Choose the word with the short a sound A) Mat. B) Play. C) Run. D) Plate. Show Answer Correct Answer: A) Mat. 11. Find the word that has the same beginning sound as the word:gym A) Jump. B) Great. C) Gift. D) Gum. Show Answer Correct Answer: A) Jump. 12. Cheese has the 'k' sound. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. Voice box otherwise called A) Larynx. B) Vocal cord. C) None of the above. D) None of the above. Show Answer Correct Answer: A) Larynx. 14. Gather A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: A) Voiced. 15. Which part of human ear converts sound vibrations into electrical signals A) Hammer. B) Stirrup. C) Tympanic membrane. D) Cochlea. Show Answer Correct Answer: D) Cochlea. 16. Pick the word:You should ..... the amount of time that you read. A) 1. stealth. B) 2. misdeal. C) 3. leaflet. D) 4. increase. Show Answer Correct Answer: D) 4. increase. 17. ..... is the number of times a sound wave vibrates in a given time. A) Intensity. B) Frequency. C) Vibration. D) Amplitude. Show Answer Correct Answer: B) Frequency. 18. What will happen next ..... The children were very thirsty after playing outside. A) They wrote in their journals. B) They got drinks from the water fountain. C) All the above. D) None of the above. Show Answer Correct Answer: B) They got drinks from the water fountain. 19. Find the word that has the same ending sound as lid. A) Lit. B) Played. C) Like. D) Flip. Show Answer Correct Answer: B) Played. 20. What is the function of the cochlea in the human ear? A) The cochlea functions to convert sound vibrations into electrical signals for the brain. B) The cochlea regulates balance and spatial orientation. C) The cochlea filters out background noise from sounds. D) The cochlea amplifies sound waves for better hearing. Show Answer Correct Answer: A) The cochlea functions to convert sound vibrations into electrical signals for the brain. 21. Sound travels FASTEST through which of these materials? A) A type of gas, like helium. B) Empty space. C) A metal such as iron. D) Water. Show Answer Correct Answer: C) A metal such as iron. 22. Strengths A) /s/. B) /z/. C) /IZ/. D) None of the above. Show Answer Correct Answer: A) /s/. 23. Toxi A) Toxic. B) Toxik. C) Toxike. D) Toxick. Show Answer Correct Answer: A) Toxic. 24. Soundproofing works when: A) Windows in a room are left open. B) Sounds pass easily through the walls. C) Sounds are absorbed by certain materials. D) The walls in a room are painted black. Show Answer Correct Answer: C) Sounds are absorbed by certain materials. 25. What is the difference between pitch and loudness? A) Pitch is the frequency of a sound; loudness is the intensity of a sound. B) Pitch is the volume of a sound; loudness is the frequency of a sound. C) Pitch refers to the duration of a sound; loudness is the quality of a sound. D) Pitch is the rhythm of a sound; loudness is the speed of a sound. Show Answer Correct Answer: A) Pitch is the frequency of a sound; loudness is the intensity of a sound. ← 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