This resource is a Crossword Puzzle on Sound Waves : What are Sound Waves, Sound Waves Need A Medium To Travel, Sound Wave Properties (Compression, Rarefaction, Amplitude, Wavelength, Frequency), Speed of Sound (moving through medium, temperature of medium, phase of matter of medium), Sound Wave Interactions with Matter (Transmission, Absorption, Reflection) . This resource is 3 pages: Page 1: Sound Waves Crossword Puzzle. Page 2 is the Answer Key to Crossword Puzzle. Page 3 is the Answers a