18. How does the speed of sound relate to temperature? A. Temperature does not affect the speed of sound. B. The lower the temperature, the faster the sound travels. C. The higher the temperature, the slower the sound travels. D. The higher the temperature, the faster the sound travels.
D. The higher the temperature, the faster the sound travels.
Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy and can vibrate faster and allow sound waves to travel more quickly.
