| A | B |
|---|
| visible spectrum | light energy that can be seen and can be broken into colors of the rainbow |
| wavelength | the distance from a point on a wave to that same point on the next wave |
| transparent | allows light to pass through so that whatever is behind can be seen |
| translucent | allows light to pass through but scatters it so whatever is behind it cannot be clearly seen |
| opaque | does not allow light to pass through |
| transmit | to allow to pass through |
| absorb | to take in |
| reflect | to bounce back |
| vibrate | to move quickly back and forth |
| volume | the loudness or softness of a sound |
| pitch | the highness or lowness of a sound |
