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Sound - Coggle Diagram
Sound
Topic 1: Changing sounds
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You won't be able to see them , but hear them
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Musicians can change two things:
- Controlling the loudness
- Changing its pitch
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Topic 5: How we hear
- Our ear converts sound waves into nerve signals to the brain
- Young people can usually hear sounds whose frequencies are between 20Hz and 20000Hz, while adults can hear between 50-15000Hz
- Loud sounds can damage our hearing!