Across
- 2. Change in direction of a wave due to a change in its transmisson medium.
- 4. Location of objects by reflected sound.
- 9. Tranfer of heat from one substance to another through a substance.
- 10. Light amplification by stimulated emission of radiation.
- 12. Energy transferred between a system and its surroundings.
- 13. a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws
- 14. Process in which energetic particles travel through a vacuum.
Down
- 1. Unit of measurement for temperature.
- 2. Region of a longitudinal wave where particles are spread apart.
- 3. Total ________ Reflection
- 5. Region of a longitudinal wave where particles are close together.
- 6. Indicator of how hot or cold something is.
- 7. Auditory portion of the inner ear.
- 8. Flow of heat from a hot region to a cold region.
- 11. Sound navigation and ranging.
- 15. The _________ ray strikes the surface before reflection.