This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The back and forth motion of matter A) Frequency. B) Volume. C) Pitch. D) Vibrations. Show Answer Correct Answer: D) Vibrations. 2. Sound travels fastest in solid materials which have particles that are: A) Wide apart. B) Close together. C) Very hot. D) Able to move around freely. Show Answer Correct Answer: B) Close together. 3. Infrasound is used in a variety of applications including sonar and ultrasound imaging. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 4. Hearing is one of our five senses. We hear sound when it goes into our ..... A) Eyes. B) Ears. C) Nose. D) Hand. Show Answer Correct Answer: B) Ears. 5. Find the word that has the same middle/vowel sound as ..... dog. A) Hawk. B) Dip. C) Cat. D) Poodle. Show Answer Correct Answer: A) Hawk. 6. The cause of sound production is A) Loudness. B) Vibrations. C) Pitch. D) Amplitude. Show Answer Correct Answer: B) Vibrations. 7. Marries A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: C) /z/. 8. 2) Ms. Maria, ..... my favorite English teacher, is so beautiful. A) Who's. B) Which. C) Whose. D) None of the above. Show Answer Correct Answer: C) Whose. 9. Frequency is measured in units called (a) . A) Pascals. B) Meters. C) A. Hertz. D) Newtons. Show Answer Correct Answer: C) A. Hertz. 10. Bushes A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: A) /iz/. 11. When people speak their ..... vibrate. A) Ear drums. B) Vocal chords. C) Ears. D) Tongue. Show Answer Correct Answer: B) Vocal chords. 12. What is vibration? A) How loud a sound is. B) The back and forth movement of matter. C) How high or low a sound is. D) The loudness or softness of a sound. Show Answer Correct Answer: B) The back and forth movement of matter. 13. Pick the right word:Handle the china carefully because it is very ..... ! A) 1. ease. B) 2. breakable. C) 3. steadfast. D) 4. cheaply. Show Answer Correct Answer: B) 2. breakable. 14. A plane ..... over my house. A) Floo. B) Flew. C) Floe. D) Flue. Show Answer Correct Answer: B) Flew. 15. Which word does not have the same sound as fault? A) Hawk. B) Straw. C) Laugh. D) None of the above. Show Answer Correct Answer: C) Laugh. 16. A man can hear the sound of frequency: A) 1 Hz. B) 1000 Hz. C) 200 Hz. D) 5MHz. Show Answer Correct Answer: B) 1000 Hz. 17. What will happen next ..... The dog jumped out of the car. A) He rolled around in the grass. B) He turned on a list. C) All the above. D) None of the above. Show Answer Correct Answer: A) He rolled around in the grass. 18. Let's go swim in the ..... A) Brook. B) Bruek. C) Broek. D) Brewk. Show Answer Correct Answer: A) Brook. 19. Sound vibrations in air spread ..... as ..... or ..... A) Inward; ripples; vibrations. B) Outward; ripples; vibrations. C) Outward, ripples; waves. D) None of the above. Show Answer Correct Answer: C) Outward, ripples; waves. 20. Breathe A) Voiced. B) Voiceless. C) All the above. D) None of the above. Show Answer Correct Answer: A) Voiced. 21. What are bitmaps made up of? A) Pixels. B) Bit depth. C) Samples. D) Resolution. Show Answer Correct Answer: A) Pixels. 22. The unit for measuring frequency is the ..... A) Joule. B) Hertz. C) Gram. D) Newton. Show Answer Correct Answer: B) Hertz. 23. Branches A) /s/. B) /z/. C) /IZ/. D) None of the above. Show Answer Correct Answer: C) /IZ/. 24. What medium does sound travel through slowest? A) Gas. B) Solid. C) Liquid. D) Trees. Show Answer Correct Answer: A) Gas. 25. A new concert hall is being built and the architect wants to make sure that everyone in the hall can hear well. An expert in which field would be most helpful A) Radio wave transmission. B) Ultrasound. C) Magnetic Fields. D) Acoustics. Show Answer Correct Answer: D) Acoustics. ← 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