Across
- 4. SLOWING DOEN AND BENDING OF LIGHT
- 5. NEEDED TO MAKE THINGS HAPPEN OR CHANGE
- 6. MATERIAL THROUGH WHICH ELECTROMAGNETIC WAVES TRAVEL
- 7. LONGITUDINAL WAVE WE NEED TO HEAR
- 8. TRANSVERSE WAVE WE NEED TO SEE
- 10. CREST OF A WAVE
Down
- 1. VIBRATION AT RIGHT ANGLES TO DIRECTION OF TRAVEL
- 2. WAY OF TRANSFERRING ENERGY
- 3. PARALLEL TO DIRECTION OF TRAVEL
- 9. BOTTOM OF A WAVE