Down
| 1. | If you increase the length of a sound wavelength, the pitch of the sound you hear will be ___. |
| 2. | The loudness of a sound depends on the ____ of the sound wave. |
| 3. | If you increase the pitch of a sound you will ____ the number of sound waves per second. |
| 4. | A measure of the amount of energy that sound waves carry. |
| 5. | The unit used to express loudness. |
| 6. | If you decrease the length of a sound wavelength, the pitch of the sound you hear will be ___. |
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Across
| 7. | If you decrease the pitch of a sound you will ____ the number of sound waves per second. |
| 8. | A measure of the highness or lowness of a sound. |
| 9. | The more you increase the amplitude of a sound wave, the ____ the sound will become. |
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