Across
- 4. mirror that curves inward
- 7. disturbance that transfers energy
- 8. if the object is beyond the focal point
- 9. reflection of light from a rough surface
- 10. change in direction of a wave when travels by the edge of an object through an opening
- 13. a piece of information that is communicated using senses
- 15. material in which a wave travels
- 16. electromagnetic radiation that you can see
- 18. maximum distance wave moves from rest position
- 20. reflection or light from a smooth shiny surface
- 22. passage of a wave through a medium
- 23. type of wave moving parallel
Down
- 1. the point where light rays parallel to the optical axis converge after being reflected by a concave mirror
- 2. a transparent object with at least one curved side that causes light to change direction
- 3. type of wave moving perpendicular
- 5. bouncing of a wave off a surface
- 6. amount of sound energy that passes through a square meter in 1 second
- 7. distance between point on one wave and same point on next wave
- 11. change in direction of a wave as it changes speed while moving from one medium to another
- 12. material through which light doesn't pass
- 14. perception of how high or low a sound seems
- 16. how you perceive the energy of a sound wave
- 17. transfer of energy by wave to the medium it travels through
- 19. mirror that curves outward
- 21. number of time a pattern repeats in a given time