This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Echo is a type of A) Reflected sound. B) Refracted sound. C) Neither reflected sound nor refracted sound. D) None of the above. Show Answer Correct Answer: A) Reflected sound. 2. The Earth's physical world is made up of A) Light waves. B) Sound waves. C) Water waves. D) Seismic waves. E) All of the above. Show Answer Correct Answer: E) All of the above. 3. A list of mediums is given below.(i) wood (ii) water (iii) air (iv) vacuumIn which of these mediums can sound travel? A) I & ii only. B) I, ii & ii only. C) Iii & iv only. D) Ii, iii & iv only. Show Answer Correct Answer: B) I, ii & ii only. 4. Which word has the same sound as the c in attic? A) Lunch. B) Face. C) Quack. D) Chart. Show Answer Correct Answer: C) Quack. 5. Explain the term wavelength in relation to sound. A) Wavelength is the amplitude of a sound wave, indicating its loudness. B) Wavelength refers to the speed of sound in a medium, affecting its pitch. C) Wavelength is the time it takes for a sound wave to travel a certain distance. D) Wavelength is the distance between successive peaks of a sound wave, related to its frequency. Show Answer Correct Answer: D) Wavelength is the distance between successive peaks of a sound wave, related to its frequency. 6. A sound with a high frequency has a ..... pitch. A sound with a ..... frequency has a low pitch. A) High, low. B) Low, high. C) Medium, high. D) High, medium. Show Answer Correct Answer: A) High, low. 7. Which word has a long /iy/? A) Dip. B) Deep. C) All the above. D) None of the above. Show Answer Correct Answer: B) Deep. 8. What long vowel sound do you hear in the word ceiling A) E. B) A. C) I. D) O. Show Answer Correct Answer: A) E. 9. What is an echo A) Deflected sound. B) Refracted sound. C) Reflected sound. D) Diffracted sound. Show Answer Correct Answer: C) Reflected sound. 10. Po A) Poce. B) Pock. C) Poke. D) Pok. Show Answer Correct Answer: C) Poke. 11. Marlee is studying for her physics exam and needs to know which electromagnetic waves have the lowest energy. Can you help her? A) X rays. B) Microwaves. C) Radio waves. D) None of the above. Show Answer Correct Answer: C) Radio waves. 12. Epi A) Epik. B) Epick. C) Epic. D) Epike. Show Answer Correct Answer: C) Epic. 13. The lowest point on a wave A) Crest. B) Frequency. C) Wavelength. D) Trough. Show Answer Correct Answer: D) Trough. 14. 7) The coach got mad of the players . ..... always late. A) They're. B) Their. C) There. D) None of the above. Show Answer Correct Answer: A) They're. 15. A sound wave with frquencies above 20000 Hz A) Supersonic. B) Ultrasonic. C) Infrasonic. D) Subsonic. Show Answer Correct Answer: B) Ultrasonic. 16. Which list is in the correct order to show the speed of sound in different materials, starting with the slowest? A) Solids, liquids, gases. B) Solids, gases, liquids. C) Gases, liquids, solids. D) Liquids, solids, gases. Show Answer Correct Answer: C) Gases, liquids, solids. 17. How do sound waves move? A) In one direction. B) Forward and backward. C) Side to side. D) In all directions. Show Answer Correct Answer: D) In all directions. 18. Your ear changes the vibration of sound waves into signals. The signals are then interpreted by your brain. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which word has the same vowel sound as grew? A) Green. B) Great. C) Seat. D) Blue. Show Answer Correct Answer: D) Blue. 20. What does sound have in common with ripples in a pond? A) They both make noise. B) Sound moves through the air just like ripples move through water. C) They can both be seen. D) None of the above. Show Answer Correct Answer: B) Sound moves through the air just like ripples move through water. 21. Above ..... dB the sound becomes physically painful A) 60. B) 70. C) 110. D) 130. Show Answer Correct Answer: B) 70. 22. Offices A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: A) /iz/. 23. How loud a sound is, is called A) Pitch. B) Volume. C) Vibrations. D) None of the above. Show Answer Correct Answer: B) Volume. 24. Vibration is also known as A) Vibratory motion. B) Translatory motion. C) Oscillatory motion. D) None of these. Show Answer Correct Answer: C) Oscillatory motion. 25. Diffrentiate between music and noise. A) Music is pleasant to listen to, while noise is unpleasant. B) Music is created by humans, while noise is natural. C) Noise is useful, while Music disturbs the human ear. D) Music is random and chaotic, while noise is organized and structured. Show Answer Correct Answer: A) Music is pleasant to listen to, while noise is unpleasant. ← 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