C. Explore ACTIVITY: FASTER SOUND in Hotter or Cooler? In this activity, you are going to analyze the picture below and explain how temperature affects the speed of sound. Temperature Speed of Sound in Air in meter per second (m/s) 45°C high 358.0 21°C 23 343.6 -1°C gan OUTII 330.4 Guide Questions: 1. What is the speed of sound when temperature is at 45°C? 2. What is the speed of sound when temperature is at -1°C? 3. What happens to the speed of sound when temperature increases? decreases? 4. How does temperature affect the speed of sound?
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1.The speed of sound when temperature is at -1°C is 330.4m/s.
2.The speed of sound when temperature is at -45°C is 358.0 m/s.
3. As the temperature decrease,the speed of sound also becomes slower or decrease
4.Temperature effects the speed.At higher temperatures,particles move greater kinetic energy,so they vibrate faster.