This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 13 Sound – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 13 Sound Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the definition of Sound?? A) Sound is a form of light energy. B) Sound is a form of matter. C) Sound is a form of electromagnetic radiation. D) Sound is a form of energy that is transmitted through vibrations or waves in a medium such as air, water, or solids. Show Answer Correct Answer: D) Sound is a form of energy that is transmitted through vibrations or waves in a medium such as air, water, or solids. 2. Likes A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: B) /s/. 3. Find the word that has the same beginning sound as the word:from A) Frog. B) Some. C) Flip. D) For. Show Answer Correct Answer: A) Frog. 4. Mary picks up her flute during a school concert and plays a melody of Mary had a little lamb. Everyone stood up and applauded her. That means Mary just produced ..... sound. A) A pleasant sound. B) An unpleasant sound. C) A horrible sound. D) None of the above. Show Answer Correct Answer: A) A pleasant sound. 5. What's A) /iz/. B) /s/. C) /z/. D) None of the above. Show Answer Correct Answer: B) /s/. 6. Astronauts in on the moon would not hear the engines of a lunar lander because ..... A) It is too cold on the moon for sound waves to travel. B) There are no air molecules on the moon to carry sound. C) The moon has no magnetic field to carry sound. D) The lunar soil deadens the sound waves. Show Answer Correct Answer: B) There are no air molecules on the moon to carry sound. 7. Than A) Thanke. B) Thank. C) Thanc. D) Thanke. Show Answer Correct Answer: B) Thank. 8. Sound is a disturbance that travels through a medium as (a) A) A. a mechanical wave. B) An electromagnetic wave. C) Both mechanical and electromagnetic. D) None of the above. Show Answer Correct Answer: A) A. a mechanical wave. 9. Define frequency in the context of sound. A) Frequency is the loudness of a sound wave, measured in decibels (dB). B) Frequency refers to the amplitude of sound waves, indicating their strength. C) Frequency is the duration of a sound wave, measured in seconds. D) Frequency is the number of cycles per second of a sound wave, measured in hertz (Hz). Show Answer Correct Answer: D) Frequency is the number of cycles per second of a sound wave, measured in hertz (Hz). 10. Why do we hear echoes? A) Sound vibrations bounce off of an object and return to the person who spoke. B) There's a little man that follows us around and repeats everything we say. C) Sound vibrations hit an object. D) None of the above. Show Answer Correct Answer: A) Sound vibrations bounce off of an object and return to the person who spoke. 11. Electromagnetic waves with higher frequencies have wavelengths that are A) Shorter. B) Longer. C) All the above. D) None of the above. Show Answer Correct Answer: A) Shorter. 12. Find the missing welded sound:Mom went to the b ..... with the cash. A) Ang. B) Ong. C) Ank. D) None of the above. Show Answer Correct Answer: C) Ank. 13. How high or low a sound is, is called A) Pitch. B) Sound. C) Volume. D) None of the above. Show Answer Correct Answer: A) Pitch. 14. Sound can travel through different mediums like gas, water and walls A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 15. Suportif, komunikatif dan fokus konsumen merupakan ciri dari sifat ..... A) Kesadaran. B) Aktualisasi diri. C) Keterlibatan. D) Akuntabilitas. Show Answer Correct Answer: C) Keterlibatan. 16. Face. A) Sibilant. B) Voiced. C) Voiceless. D) None of the above. Show Answer Correct Answer: A) Sibilant. 17. The distance from the resting position to the crest of a wave. A) Amplitude. B) Wavelength. C) Frequency. D) Pitch. Show Answer Correct Answer: A) Amplitude. 18. What is the main idea of the section "Breathing and Moaning into a microphone" ? A) Haggerwood still sticks to the basics. B) Haggerwood hires people to help him with the sounds. C) Haggerwood records himself moaning into the microphone to resemble a zombie. D) Haggerwood makes the sounds he needs either on his own, by using sounds in nature, or hiring someone to help him. Show Answer Correct Answer: D) Haggerwood makes the sounds he needs either on his own, by using sounds in nature, or hiring someone to help him. 19. A luminous object is A) Something that emits light energy. B) Something that absorbs light energy. C) Something that captures light energy. D) Something that stores light energy. Show Answer Correct Answer: A) Something that emits light energy. 20. Which part of the ear changes sound vibrations into signals sent to the brain? A) The cochlea. B) The eardrum. C) The auditory nerve. D) The small bones. Show Answer Correct Answer: A) The cochlea. 21. What is a sound? A) Something you taste. B) Something you hear. C) Something you see. D) Something you smell. Show Answer Correct Answer: B) Something you hear. 22. 9) The girls are models ..... always on magazine covers. A) There. B) Their. C) They're. D) None of the above. Show Answer Correct Answer: C) They're. 23. Ty gives money to **** causes. A) Worthwille. B) Wurthwhile. C) Worthele. D) Worthwhile. Show Answer Correct Answer: D) Worthwhile. 24. The to-and-fro rapid movement of a particle about fixed point in an object is called A) Vibration. B) Frequency. C) Amplitude. D) None of the above. Show Answer Correct Answer: A) Vibration. 25. How many moles of carbon atoms are there in 5g of carbon? A) 60 mol. B) 17 mol. C) 0.42 mol. D) 7 mol. Show Answer Correct Answer: C) 0.42 mol. ← 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