No matter how loudly you blast a special dog whistle, humans cannot hear the sounds it produces. Why are these whistles so hard to hear?
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Which of these produces sound?
Correct!Wrong!
You pull on one side of a rubber band while stretching it. Rubber band noise is produced. The rubber band is stretched farther and pulled once again. It produces a distinctive sound. Which aspect of sound alters?
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A piece of string is stretched between two cups to create a string telephone. How does the string phone function?
