Across
- 5. matter that transmits light clearly
- 8. when a wave bounces off of matter
- 10. the number of waves passing a fixed point per second
- 11. how much energy a wave carries
- 12. lowest point of a wave
Down
- 1. when a wave travels through matter
- 2. when a wave bends after hitting matter
- 3. matter that lets some light through
- 4. the type of wave that transfers energy through matter
- 6. distance from crest to crest of a wave
- 7. matter that lets no light through
- 9. the highest point of a wave