Across
- 3. Sound waves, eg.
- 5. Can destroy buildings
- 8. The first word of the wave used in cancer treatment
- 9. Used to see heat
- 10. Think Invisible Ink
- 11. Used to see broken bones
Down
- 1. Acronym for all colors of Visible light
- 2. Used to heat food
- 4. Surfing these on the coast, eg.
- 6. What our ears hear
- 7. Used to communicate