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26.3,4,5 Concept Qs

cdeutsch/ursuline

QuestionAnswer
Sound travels through liquids and solids in addition to gases. Rank these stages of matter in order from slowest to fastest for transmitting sound. 1. gas, 2. liquids, 3. solids
Does sound travel through a vacuum? Why or why not? No, because the transmission of sound requires a medium.
If the moon blew up, why wouldn't we be able to hear it? If there are no molecules to compress & expand then there is no sound.
Why do we see lightning before we hear thunder? Because sound travels slower than light.
When watching at a baseball game, we often hear the bat hitting the ball after we actually see the hit. Why? because light travels faster than sound
If the speed of sound depended on its frequency, would you enjoy a concert sitting the second balcony? Explain. No, not as many waves would hit you & you wouldn't be able to hear the concert
How is loudness of sound related to intensity? They are physiological sensations sensed in the brain.
Is sound intensity or loudness subjective? Why? Loudness is subjective because it is our interpretation of intensity.
How much more intense is a close whisper than a sound at the threshold of hearing? 10 x 10= 100 times louder
Created by: cdeutsch