Light and Sound Crossword

This printable crossword puzzle on the topic of Physics has 13 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Energy in the form of vibrations passing through matter is
How high or low a sound is
This is a fast consistent movement back and forth
Sound travels through what?
This material only lets some light pass through
This material lets all light pass through it
An example of an artificial material is
This produces its own light
This material lets no light pass through it
When let bends from passing through a new medium
When let bounces off, or reflects from a surface
When an object takes in a light wave
This travels faster than sound