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