MYP Rihito WATANABE

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Across
  1. 1. how light bends as it passes around an object
  2. 4. magnitude of sound
  3. 5. a curved lens like the outside of a sphere
  4. 6. 7 colors
  5. 7. (of a material or article) allowing light to pass through so that objects behind can be distinctly seen
  6. 13. A band of colors, as seen in a rainbow, is produced by the separation of the components of light by their different degrees of refraction according to wavelength.
  7. 14. substance (gas, liquid, or solid) through which sound waves travel
  8. 15. a curved lens like the inside of a sphere
  9. 17. when light is bent as it moves through one kind of matter to another
  10. 19. an object is opaque when all light is absorbed or reflected; no image can be seen
  11. 22. a wave vibrating in the direction of propagation
Down
  1. 2. a wave in which the medium vibrates at right angles to the direction of its propagation.
  2. 3. move back and forth
  3. 8. Device that increases an electric current to increase the volume
  4. 9. the length between the compressions in a sound wave
  5. 10. Unit to measure the frequency
  6. 11. stream of light pointed in one direction
  7. 12. particle that carries visible light and other forms of electromagnetic radiation
  8. 13. shape produced by light being blocked by an opaque object
  9. 16. A reflection of sound
  10. 18. When light bounces off of an object
  11. 20. Something that bends light, but is not a lens
  12. 21. (of a substance) allowing light, but not detailed shapes, to pass through; semi-transparent