| A | B |
| Amplitute- how loud a sound is |  |
| instruments that resonate |  |
| sound waves are compression waves |  |
| concave lens- spreads light |  |
| convex lens - bends light inward |  |
| the crest or peak of a wave |  |
| a high frequency soundwave |  |
| a low frequency soundwave |  |
| reflected light |  |
| refracted light |  |
| sonar - sound wave echo used to map and navigate the ocean floor |  |
| Sound waves move through the air in "slinky" like compressions |  |
| the visible light part of the spectrum |  |
| Vibration of strings causes the air to vibrate |  |
| light rays are transmitted through a transparent object |  |
| The trough of a wave |  |
| the wavelength or distance between the crests |  |