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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. |