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8 Sound
Sound keywords
| Question | Answer |
|---|---|
| The loudness or volume of a sound. | intensity |
| How high or low a note sounds. | pitch |
| Move backwards and forwards. | vibrate |
| Half the height of a wave. | amplitude |
| The number of waves each second. | frequency |
| The unit for frequency. | hertz (Hz) |
| The volume of a sound. | loudness |
| An instrument which shows a picture of a wave on a screen. | oscilloscope |
| How high or low a note sounds. | pitch |
| A way of transferring energy.Waves can be side to side or backwards and forwards movements. | wave |
| The distance between the top of one wave and the top of the next. | wavelength |
| A completely empty space with no particles. | vacuum |
| The part of the ear that changes vibrations into electrical impulses. | cochlea |
| A thin membrane inside the ear which vibrates when sound reaches it. | eardrum |
| Electrical signal carried by a nerve cell. | impulse |
| Unit for measuring the loudness of a sound. | decibel (dB) |
| Unpleasant sound. | noise |
| A meter which measures the loudness of a sound. | sound intensity meter |
| The quietest sound that can be heard. | threshold of hearing |
Created by:
grovebiol