This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which consonant digraph does this word have? chest A) Th. B) Ch. C) Wh. D) Sh. Show Answer Correct Answer: B) Ch. 2. Vibrating part in musical instrument Tabla is A) String. B) Stretched Membrane. C) Air Column. D) All of the above. Show Answer Correct Answer: B) Stretched Membrane. 3. What part of our ear vibrates and allows us to hear? A) The earlobe. B) The eardrum. C) A nerve. D) The ear canal. Show Answer Correct Answer: B) The eardrum. 4. Which word has the same vowel sound as paint? A) Pour. B) Stood. C) See. D) Say. Show Answer Correct Answer: D) Say. 5. Soc A) Sock. B) Soc. C) Soce. D) Soke. Show Answer Correct Answer: A) Sock. 6. Find the word that has the same beginning sound as the word:knee A) Keep. B) Gnat. C) Eat. D) Kick. Show Answer Correct Answer: B) Gnat. 7. What sound does the "ea" make in this word?:great A) Long e. B) Short e. C) Long a. D) None of the above. Show Answer Correct Answer: C) Long a. 8. What is the characteristic that is directly proportional to the square of the amplitude? A) Loudness. B) Time Period. C) Pitch. D) Quality. Show Answer Correct Answer: A) Loudness. 9. Why was playing Pungi in Aurangzeb's palace banned? A) It had a sharp sound. B) It wasn't good. C) It was unpleasant. D) All. Show Answer Correct Answer: D) All. 10. Vibrating part in musical instrument Guitar is A) String. B) Stretched Membrane. C) Air Column. D) All of the above. Show Answer Correct Answer: A) String. 11. Animals like whales and dolphins communicate with each other by producing sound underwater. What does this show? A) Sound can travel to air. B) Sound can travel to solid. C) Sound can travel to liquid. D) Sound cannot travel to liquid. Show Answer Correct Answer: C) Sound can travel to liquid. 12. Sounds are produced when an object ..... A) Stuck. B) Stops. C) Vibrates. D) None of the above. Show Answer Correct Answer: C) Vibrates. 13. Stops A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: B) /s/. 14. There is a greasy **** on the glass. A) Smeir. B) Smiear. C) Smear. D) Smeer. Show Answer Correct Answer: C) Smear. 15. What do you think will happen when someone knocks on the door and your ear is on the other side of the door? A) There will be no sound. B) The sound will be carried by the wind. C) You will hear sound because it travels through air. D) You will hear sound because it travels through the door. Show Answer Correct Answer: D) You will hear sound because it travels through the door. 16. Mark the word with that has the same vowel sound as trail A) Care. B) Than. C) Grip. D) None of the above. Show Answer Correct Answer: A) Care. 17. The maximum displacement of a body from its mean position is called A) Amplitude. B) Oscillation. C) Periodic motion. D) Frequency. Show Answer Correct Answer: A) Amplitude. 18. A bitmap image of 10 by 10 pixels using a colour dept of 8 bits would have a file size of around: A) 100 bytes. B) 800 bytes. C) 400 bytes. D) 80 bytes. Show Answer Correct Answer: A) 100 bytes. 19. Added A) /id/. B) /d/. C) /t/. D) None of the above. Show Answer Correct Answer: A) /id/. 20. What sound do the blue letters make in the word quick? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: A) /kw/. 21. When the temperature is high in a solid object what happens to the vibration of the sound waves A) Vibrates fast. B) Vibrates slow. C) No vibration. D) Temperature does not affect the movement of the sound waves. Show Answer Correct Answer: A) Vibrates fast. 22. Electromagnetic waves can transfer energy without (a) A) Frequency. B) A phone line. C) A. a medium. D) A wavelength. Show Answer Correct Answer: C) A. a medium. 23. Find the word that has the same ending sound as ..... dog. A) Hawk. B) Egg. C) Cat. D) Poodle. Show Answer Correct Answer: B) Egg. 24. How are sound and light similar? A) Both are forms of energy. B) Sound and light waves can curve around solid objects. C) Both can be transformed into heat energy. D) Sound and light are made up of vibrations. Show Answer Correct Answer: A) Both are forms of energy. 25. What is the SI Unit of amplitude? A) Meters (m). B) Liters (L). C) Seconds (s). D) Kilograms (kg). Show Answer Correct Answer: A) Meters (m). ← 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 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 10Class 8 Science Chapter 13 Sound Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books