This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which part of the ear is sound changed into electrical signals which are then sent to the brain? A) Outer ear. B) Middle ear. C) Hammer. D) Inner ear. Show Answer Correct Answer: D) Inner ear. 2. Astronauts cannot hear each other on the moon because A) Moon has no atmosphere. B) They are wearing helmets. C) Moon has less gravity compared to earth. D) None of these. Show Answer Correct Answer: A) Moon has no atmosphere. 3. What sound does the blue letter make in the word comma? A) /kw/. B) /k/. C) /j/. D) None of the above. Show Answer Correct Answer: B) /k/. 4. What is the vowel sound in this word?Mule A) Long e. B) Short e. C) Short u. D) Long u. Show Answer Correct Answer: D) Long u. 5. A wave of frequency 1000 Hz travels between X and Y, a distance of 600 m in 2 seconds. The number of wavelengths there in distance XY: A) 100. B) 500. C) 10000. D) 2000. Show Answer Correct Answer: D) 2000. 6. Find the word that has the same beginning sound as brave. A) Bread. B) Drive. C) Boy. D) Cave. Show Answer Correct Answer: A) Bread. 7. Energy that is stored in an object is called ..... A) Potential Energy. B) Kinetic Energy. C) Stored Energy. D) Bored Energy. Show Answer Correct Answer: A) Potential Energy. 8. Salah satu trait dari Akuntabilitas adalah ..... A) Efektif. B) Cekatan. C) Inovasi. D) Rasa percaya. Show Answer Correct Answer: D) Rasa percaya. 9. Which long vowel sound do you hear in the word CONTRIBUTION? A) Long A. B) Long I. C) Long U. D) Long E. Show Answer Correct Answer: C) Long U. 10. Find the word that has the same middle sound as meet. A) Been. B) Deal. C) Mit. D) Flat. Show Answer Correct Answer: B) Deal. 11. From where did Shahnai get its name? A) From barber (Nai in Hindi)-+ King (Shah in Hindi). B) From a Barber. C) King gave its name. D) None. Show Answer Correct Answer: A) From barber (Nai in Hindi)-+ King (Shah in Hindi). 12. The vocal cords do not produce a vibration in the throat. A) /IZ/ SoundSibilant. B) /Z/ SoundVoiced. C) /S/ SoundVoiceless. D) None of the above. Show Answer Correct Answer: C) /S/ SoundVoiceless. 13. Vibrating part in musical instrument Flute (like blowing over a bottle) is A) String. B) Stretched Membrane. C) Air Column. D) All of the above. Show Answer Correct Answer: C) Air Column. 14. ..... is the ability to cause motion or create change A) Work. B) Energy. C) Potential. D) None of the above. Show Answer Correct Answer: B) Energy. 15. What sound does the "ea" make in this word:break A) Long e. B) Short e. C) Long a. D) None of the above. Show Answer Correct Answer: C) Long a. 16. Which of the following statements is correct about sound and light? A) Sound cannot travel, but light can. B) Light cannot travel, but sound can. C) Light travels faster than sound. D) Sound travels faster than light. Show Answer Correct Answer: C) Light travels faster than sound. 17. A sound wave with low amplitude produces which type of sound? A) High. B) Low. C) Loud. D) Soft. Show Answer Correct Answer: D) Soft. 18. Sound travels fastest through this material A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: A) Solid. 19. Salah satu trait dari Aktualisasi diri adalah ..... A) Pikiran terbuka. B) Kritis. C) Bermitra. D) Transparan. Show Answer Correct Answer: A) Pikiran terbuka. 20. What is the term for the distance between successive peaks of a sound wave? A) Frequency. B) Amplitude. C) Wavelength. D) Pitch. Show Answer Correct Answer: C) Wavelength. 21. Picni A) Picnik. B) Picnic. C) Picnick. D) Picnice. Show Answer Correct Answer: B) Picnic. 22. Teliti, kritis dan efisien merupakan ciri dari sifat ..... A) Kesadaran. B) Aktualisasi diri. C) Keterlibatan. D) Akuntabilitas. Show Answer Correct Answer: A) Kesadaran. 23. Choose the word spelled correctly. A) Ballune. B) Bahlloon. C) Ballon. D) Balloon. Show Answer Correct Answer: D) Balloon. 24. To calculate the size of a sound file: A) Colour depth * resolution. B) Sample rate * sample resolution * length in seconds. C) Number of samples * sample rate. D) Sample resolution squared. Show Answer Correct Answer: B) Sample rate * sample resolution * length in seconds. 25. When i move things back and forth quickly i make them ..... A) Vibrate. B) Disappear. C) Strong. D) None of the above. Show Answer Correct Answer: A) Vibrate. ← 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 10Class 8 Science Chapter 13 Sound Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books