Unit C Crossword - Reign D

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Across
  1. 3. An object that produces light
  2. 4. The change in direction of a ray of light
  3. 5. A process where light hits a smooth surface *Includes hyphen in crossword*
  4. 7. Is the range of all possible frequencies of electromagnetic radiation *Includes hyphen in crossword*
  5. 8. A type of telescope that has a large circular mirror that curves inwards *Includes hyphen in crossword*
  6. 14. Shortest type of wavelength
  7. 15. A material that does not allow any light to pass through
  8. 18. A type of telescope that has 2 lenses, one on each side of a long tube *Includes hyphen in crossword*
  9. 20. A device that allows you to see micro-organisms by combining the powers of at least 2 lenses
  10. 22. The point at which all light rays coming from a single direction and passing through a lens or striking a mirror come together *Includes hyphen in crossword*
  11. 23. Any technology that uses light *Includes hyphen in crossword*
  12. 25. Angle of incident of a wave hitting a surface equal the angle of reflection
Down
  1. 1. A line that is perpendicular to the mirror at the point of reflection
  2. 2. A material that allows all light to pass by
  3. 6. All forms of radiant energy *Includes hyphen in crossword*
  4. 9. A mirror that curves outwards *include hyphen in crossword*
  5. 10. A type of mirror that provides the clearest reflection *Include hyphen in crossword*
  6. 11. A mirror that curves inwards *Includes hyphen in crossword*
  7. 12. A process where light hits a rough and/or uneven surface *Includes hyphen in crossword*
  8. 13. A type of bulb that's filled with small amounts of gases like mercury vapor
  9. 16. A device that allows you to see distant objects
  10. 17. Basically two short refracting telescope that are fixed together
  11. 19. A ray of light that has arrived from a mirror or another substance *Includes hyphen in crossword*
  12. 21. An object that doesn't produce any light *Includes hyphen in crossword*
  13. 24. A material that allows some light to pass by