Across
- 3. distance from one crest to the next crest
- 7. Longest EM wave
- 8. Wave pattern shown by light, doesn't require matter to travel
- 9. Height of a wave
Down
- 1. Wave type that does require matter to travel
- 2. Symbol used to show wavelength - 11th in Greek alphabet
- 4. Shortest EM wave
- 5. Section of EMS we can observe
- 6. How many waves, usually in one minute