Physical Science Module 10 Crossword

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Across
  1. 1. 300,000,000 m/s (c)
  2. 5. the opening left by the iris
  3. 11. changes the shape of the lens to keep things in focus
  4. 13. electromagnetic waves do not have to travel through this
  5. 15. the colored part of the eye that controls how much light enters
  6. 17. the lens of the eye
  7. 18. light travels fastest in this
  8. 19. where light is focused in the eye, on rod and cone cells
  9. 20. the part of the electromagnetic spectrum we can see
  10. 22. the bending of light
  11. 24. farsightedness
  12. 26. light passes through something
  13. 27. see through
  14. 28. nothing with this can travel faster than the speed of light
  15. 30. light bounces back off of something
  16. 31. the interaction of waves with other waves
  17. 32. not see through
  18. 34. the energy transferred by electromagnetic waves
  19. 35. packets of variable amounts of light energy
Down
  1. 2. the complete range of wavelengths of electromagnetic waves
  2. 3. the kind of interference when waves overlap
  3. 4. takes signals from the retina and sends them to the brain
  4. 6. nearsightedness
  5. 7. the angle of incidence equals the angle of reflection
  6. 8. a transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field
  7. 9. light enters a medium and does not leave it
  8. 10. the type of lens that focuses horizontally traveling light rays through a single focal point
  9. 12. when light vibrates in one direction
  10. 14. light has this kind of nature
  11. 16. when light bounces off of particles in a medium in different directions
  12. 21. the kind of lens that bends light rays away from each other
  13. 23. light travels slowest in this medium
  14. 25. the speed of light is not dependent on this
  15. 29. patrially see through
  16. 33. the kind of interference when a wave crest overlaps with a wave trough