Unit 2: Vision and Optics

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Across
  1. 3. A type of wave that is felt through heat (7 Letters)
  2. 4. A dark shape created when light is blocked (6 letters)
  3. 6. The outside most part of the eye (6 Letters)
  4. 8. The flat side of a lens (5 Letters)
  5. 11. Bending of light as it moves through a medium (10 letters)
  6. 12. Allows light to pass through completely (11 letters)
  7. 15. Allows some light to pass through (11 letters)
  8. 16. A type of lens that curves inward (7 letters)
  9. 17. A Type of wave that is used in GPS, AM/FM Radio (5 Letters)
  10. 18. The part of the eye that focuses light onto the retina (4 letters)
  11. 19. A type of lens that curves outward (6 letters)
  12. 20. Both sides of a lens are curved outward (12 Letters, nospaces)
  13. 23. The black part of the eye in the middle (5 Letters)
Down
  1. 1. A Type of wave that is very dangerous (5 Letters)
  2. 2. A type of wave used to look at bones (4 Letters)
  3. 5. Does not allow light to pass through (6 letters)
  4. 6. Found in some animals, made of multiple tiny lenses (8 letters)
  5. 7. A source that reflects light but doesn’t emit it (12 letters)
  6. 9. A type of wave that we see as colour. (12 Letters, no spaces)
  7. 10. The part of the eye responsible for controlling light entry, also the colour of your eye. (4 letters)
  8. 13. The part of the eye that detects light and sends signals to the brain (6 letters)
  9. 14. Primary color of light detected by our eyes (12 letters,comma-in-between)
  10. 21. A type of wave that comes from the sub (2 Letters)
  11. 22. A source that emits its own light (8 letters)