SCIENCE Sound Vocabulary CONNECTION fikr U A H S D Z F D 11 P V S R H Across 2. Something that increases the volume of a sound. 4. What the human ear detects as sound. 6. The number of peaks of waves in a certain time period. with lower frequencies than humans can detect. 11. How loud a sound is. 12. Something that reduces the intensity of a sound. Down 1. Waves with higher frequencies than humans can detect. 3. The measurement of the frequency of a sound. 5. The measurement of the volume of a sound.
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