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Ch. E3 Sound
| Question | Answer |
|---|---|
| Series of vibrations that can be heard | sonic boom |
| Measure of sound energy reaching your ear | loudness |
| Area where air is pushed together by vibrations | compression |
| Sound wave made by an object moving faster than the speed of sound | sonic boom |
| Reflection of sound waves | echo |
| Moving areas of high and low pressure | sound waves |
| Rate of travel of a sound wave | speed of sound |
| Measure of how high or low a sound is | pitch |
| Best example of how sound travels is a marble dropped in _____. | water |
| Your brain interprets signals from ___ that affect nerve cells as sounds. | your ear |
| The pitch of a stringed instrument can be affected by the ___. | amount of vibrations |
| If a sound's pitch is high its source is ___. | vibrating quickly |
| If you shout, where will an echo sound most like the orginal sound? | in a long hallway |
| What does the loudness of a sound depend on? | how far the vibrating object moves |
| What causes a sound wave? | an object moving faster than the speed of sound |
Created by:
MrsHeatherKing
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