.  Classify sound and light waves as transverse or longitudinal, and describe the movement of their vibrations relative to the direction of wave travel.

.  Give the definition of each of the following terms IN YOUR OWN WORDS.

·  Light dispersion

·  Sound waves

·  Law of Reflection

·  Selective reflection

·  Absorption

2.  Classify sound and light waves as transverse or longitudinal, and describe the movement of their vibrations relative to the direction of wave travel.