Across
- 2. Same direction
- 4. Opposite direction, 90 degree
- 8. Perpendicular to the direction of the energy
- 9. Parallel to the direction of the energy
- 10. Lowest point on the wave
Down
- 1. Spread apart
- 3. Close together, Condensed
- 5. Highest point on the wave
- 6. Resting Point to the crest
- 7. From one congruent point to another
- 11. Representation for frequency