5.33. Speed of Sound http://www.ck12.org
- Describe what you hear when you play the animation. Explain your observations.
- Name two properties of materials that affect the speed of sound waves. How do they affect the speed of sound?
- Explain why sound waves moves more quickly through warmer air than cooler air.
Review
- What is the speed of sound in dry air at 20 °C?
- Describe variation in the speed of sound through various media.
- Explain how temperature affects the speed of sound.