Secondary School SCIENCE CONNECTION Sound Vocabulary The CONNECTION R to 2 A 1. 3 H 2. 5 D S 3. Y lo < R 5. D 9 3 E =mc 3 11 a 10 P S 12 R a H Across 2. Something that increases the volume of a sound. 4. What the human ear detects as sound. ABC 6. The number of peaks of waves in a certain time period. 9. Waves with lower frequencies than humans can detect. 11. How loud a sound is. 12. Something that reduces the intensity of a sound. a Down SIN Secondary School SCIENCE CONNECTION Sound Vocabulary The CONNECTION R to 2 A 1. a Down SIN.
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