Wave Behavior Crossword Puzzle

This printable crossword puzzle on the topic of Physics has 10 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What type of reflection happens when light hits a smooth surface?
Light __________ when it bends as it passes through a medium.
The more ________ an object is, the less light it will absorb.
_________ happens when photons from light hit atoms which then causes them to vibrate.
________ happens when waves spread around an obstacle.
What type of reflection happens when rays of light hit an uneven surface?
What is it called when light hits an object and bounces off it in all directions?
When light moves from air to water, it ___________ down.
Sound waves can't travel through a vacuum because of a lack of ______ molecules.
The bigger the wave length is in a wave, the smaller the _________ is.