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Sound
Question | Answer |
---|---|
What is Sound? | Energy created and moved by vibrating matter. |
How does Sound travel? | Matter vibrates and carries the sound as compression waves. |
Why can Sound only travel through matter? | It's because the molecules of matter vibrate in the direction the sound wave is traveling and moves it along. |
What are Compressions? | Compressions are when molecules are pressed together. |
What are Rarefactions? | Rarefactions are when molecules are spread apart. |
What is the frequency of a Sound Wave? | The number of wavelengths in a period of time. |
What is the wave length of a Sound Wave? | It is the distance between two compressions or rarefactions. |