This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many grams are in 1.2 moles of neon? A) 0.059 grams. B) 7.2 x 10$^{23}$ grams. C) 2.0 x 10$^{-24}$ grams. D) 24 grams. Show Answer Correct Answer: D) 24 grams. 2. Sound travels faster in ..... medium. A) Solid. B) Gas. C) Liquid. D) None of these. Show Answer Correct Answer: A) Solid. 3. Where was the Shehnai played traditionally? A) In temples. B) In wedding ceremonies. C) Auspicious ceremonies. D) All. Show Answer Correct Answer: D) All. 4. During a school assembly, Samuel notices that the greater a speaker's microphone sound wave's ..... is, the louder the sound is. What is this characteristic called? A) Amplitude. B) Vibration. C) Decibel. D) None of the above. Show Answer Correct Answer: A) Amplitude. 5. What do you call these sound waves whose frequency is above 20, 000 hertz? A) Ultrasound. B) Infrasound. C) Noise. D) Echo. Show Answer Correct Answer: A) Ultrasound. 6. How do sound waves cause vibrations in the ear? A) Sound waves create heat in the ear, which stimulates nerve endings. B) Sound waves directly alter the shape of the cochlea, causing sound perception. C) Sound waves are absorbed by the ear, preventing any vibrations from occurring. D) Sound waves cause vibrations in the ear by making the eardrum vibrate, which is then transmitted through the ossicles to the cochlea. Show Answer Correct Answer: D) Sound waves cause vibrations in the ear by making the eardrum vibrate, which is then transmitted through the ossicles to the cochlea. 7. What sound does the "ea" make in this word? gear A) Long e. B) Short e. C) Long a. D) None of the above. Show Answer Correct Answer: A) Long e. 8. ..... describes how LOUD a sound is. A) Amplitude. B) Frequency. C) All the above. D) None of the above. Show Answer Correct Answer: A) Amplitude. 9. The reason you see lightning from a storm sooner than you hear thunder is because (a) . A) Sound waves travel faster than light. B) Light waves travel faster than heat. C) A. light waves travel faster than sound. D) Light waves travel faster than ocean waves. Show Answer Correct Answer: C) A. light waves travel faster than sound. 10. What is a larynx? A) It is animal is Africa. B) It is sound waves. C) It is a a muscle that holds vocal cords. D) None of the above. Show Answer Correct Answer: C) It is a a muscle that holds vocal cords. 11. Bathtub A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: B) Voiceless. 12. What role does the eardrum play in hearing? A) The eardrum absorbs sound waves, preventing them from reaching the inner ear. B) The eardrum vibrates in response to sound waves, enabling the transmission of sound to the inner ear. C) The eardrum amplifies sound waves, making them louder before they enter the ear. D) The eardrum filters sound waves, allowing only certain frequencies to pass through. Show Answer Correct Answer: B) The eardrum vibrates in response to sound waves, enabling the transmission of sound to the inner ear. 13. The velocity of sound at 20$^\circ$C is approximately A) 3400 m/sec. B) 340 m/sec. C) 430 m/sec. D) 304 m/sec. Show Answer Correct Answer: B) 340 m/sec. 14. Find the word that has the same ending sound as ..... gem. A) Church. B) When. C) Giraffe. D) Ham. Show Answer Correct Answer: D) Ham. 15. Teeth A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: B) Voiceless. 16. What sound does the "ea" make in this word:sweater A) 1. Long e. B) 2. Short e. C) Long a. D) None of the above. Show Answer Correct Answer: B) 2. Short e. 17. Mark the word with that has the same vowel sound as barn. A) Pack. B) Rail. C) Large. D) None of the above. Show Answer Correct Answer: C) Large. 18. Apakah kepanjangan dari SOUND? A) Soul of EWINDO. B) Sound of EWINDO. C) Soul of EWINDA. D) Sound of EWINDA. Show Answer Correct Answer: A) Soul of EWINDO. 19. Laughs A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: B) /s/. 20. What sound does the blue letter make in the word second? A) /k/. B) /j/. C) /kw/. D) None of the above. Show Answer Correct Answer: A) /k/. 21. What makes a sound a music?? A) The absence of any musical elements in a composition. B) An Unpleasant sound containing irregular patterns. C) The random combination of sounds without any structure or meaning. D) A pleasant sound containing repeating patterns that calm down the human brain cells. Show Answer Correct Answer: D) A pleasant sound containing repeating patterns that calm down the human brain cells. 22. Kite A) Short sound. B) Long sound. C) All the above. D) None of the above. Show Answer Correct Answer: B) Long sound. 23. Which word has he same vowel sound as treat? A) Great. B) Met. C) Feed. D) Bread. Show Answer Correct Answer: C) Feed. 24. Find the word that has the same beginning sound as the word:whistle A) Fist. B) Thistle. C) Wink. D) Men. Show Answer Correct Answer: C) Wink. 25. What will happen next ..... We finished eating at the restaurant. A) Dad paid the bill. B) A circus came through. C) All the above. D) None of the above. Show Answer Correct Answer: A) Dad paid the bill. ← 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