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26.3,4,5 Concept Qs
cdeutsch/ursuline
| Question | Answer |
|---|---|
| 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
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