This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 26 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 26 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Cough. A) Sibilant. B) Voiced. C) Voiceless. D) None of the above. Show Answer Correct Answer: C) Voiceless. 2. Find the word with the same ending sound as lotion. A) Image. B) Lots. C) Paper. D) Addition. Show Answer Correct Answer: D) Addition. 3. What long vowel sound do you hear in teeth? A) Long a. B) Long i. C) Long o. D) Long e. Show Answer Correct Answer: D) Long e. 4. During a science class experiment, Annie, Justin, and Mason combined lights of all colors in the visible spectrum. What was the result of their experiment? A) They turn black. B) They form white light. C) Something explodes. D) None of the above. Show Answer Correct Answer: B) They form white light. 5. CHALLENGE QUESTION!!!How many syllables are in this sentence?His dad plays football with his sister. A) 4. B) 6. C) 9. D) 10. Show Answer Correct Answer: C) 9. 6. Which word has the same sound as the second g in garbage? A) Jump. B) Gold. C) Given. D) Loving. Show Answer Correct Answer: A) Jump. 7. What will be the wave velocity, if the radar gives 54 waves per min and wavelength of the given wave is 10m? A) 5 m/s. B) 6 m/s. C) 9 m/s. D) 15 m/s. Show Answer Correct Answer: C) 9 m/s. 8. What long vowel sound do you hear in grain? A) Long a. B) Long i. C) Long e. D) Long o. Show Answer Correct Answer: A) Long a. 9. Wig A) Short sound. B) Long sound. C) All the above. D) None of the above. Show Answer Correct Answer: A) Short sound. 10. Mark the word with that has the same vowel sound as teeth A) Bell. B) Dream. C) Where. D) None of the above. Show Answer Correct Answer: B) Dream. 11. Ultrasound has frequency of vibration A) Between 20 and 20, 000 Hz. B) Below 20 Hz. C) Above 20, 000 Hz. D) Between 500 and l0, 000 Hz. Show Answer Correct Answer: C) Above 20, 000 Hz. 12. Worked A) /id/. B) /d/. C) /t/. D) None of the above. Show Answer Correct Answer: C) /t/. 13. What kind of musical instrument is a sitar? A) Wind. B) Percussion. C) Reed. D) String. Show Answer Correct Answer: D) String. 14. Elephants can make sounds of high intensity. These sounds will be: A) Quiet. B) High. C) Soft. D) Loud. Show Answer Correct Answer: D) Loud. 15. Which of the following would you hear as a low pitched sound? A) Sound wave with a frequency of 50 Hz. B) Sound wave with frequency of 10, 000 Hz. C) Sound wave with an intensity of 10 dB. D) Sound wave with an intensity of 100 dB. Show Answer Correct Answer: A) Sound wave with a frequency of 50 Hz. 16. 8) ..... your favorite football player? A) Whose. B) Which. C) Who's. D) None of the above. Show Answer Correct Answer: C) Who's. 17. A pendulum oscillates 20 times in 4 seconds. Find its time period. A) 0.05 sec. B) 0.001 sec. C) 0.2 sec. D) 0.1 sec. Show Answer Correct Answer: C) 0.2 sec. 18. What word has a long vowel sound? A) Grim. B) Best. C) Put. D) Face. Show Answer Correct Answer: D) Face. 19. Light travels in a ..... path. A) Straight. B) Cury. C) Bent. D) Winding. Show Answer Correct Answer: A) Straight. 20. Click the right match. A) Low pitch (frequency of sound)-small wavelength. B) High pitch(frequency of sound)-long wavelength. C) High pitch(frequency of sound)-small wavelength. D) None of the above. Show Answer Correct Answer: C) High pitch(frequency of sound)-small wavelength. 21. Find the word that has the same beginning sound as grass. A) Guest. B) Glove. C) Gray. D) Ghost. Show Answer Correct Answer: C) Gray. 22. Which sensory organ of the human body is used to detect transmit and transduce soundwaves A) Eyes. B) Ears. C) Nose. D) Skin. Show Answer Correct Answer: B) Ears. 23. What sound do you hear at the end of:Looked? A) -ed. B) -d. C) -t. D) None of the above. Show Answer Correct Answer: C) -t. 24. Compression is a region of A) High pressure. B) Low pressure. C) No Pressure. D) Atmospheric pressure. Show Answer Correct Answer: A) High pressure. 25. Which is the best explanation for the refracting of light? A) Shiny surfaces such a mirror allow light to bounce back at you. B) As light passes from one substance to another it changes speeds causing the light to bend. C) Particle matter in the air interfere with the transmission of light causing it to scatter. D) White light is absorbed by an apple and only the red color waves are reflected. Show Answer Correct Answer: B) As light passes from one substance to another it changes speeds causing the light to bend. ← 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