Across
- 4. a wave that requires a medium to travel through
- 7. a wave that does not require a medium to travel through
- 8. a wiggle in time
- 10. A wave that moves perpendicularly
Down
- 1. something that a wave can travel through
- 2. a wiggle in space and time
- 3. the number of to-and-fro vibrations in a given time
- 5. a wave that moves parallel
- 6. the time it takes to complete a vibration
- 9. the acronym to remember the color relative to