Unit 6 - Light & The Solar System

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Across
  1. 1. a bulging shape
  2. 5. the decreasing in size of the lit-up part of the Moon in its monthly cycle
  3. 7. the increasing in size of the lit-up part of the Moon in its monthly cycle
  4. 11. a device that uses mirrors for you to see things that are otherwise out of sight
  5. 12. reflection in a mirror (6,5)
  6. 14. to meet or come together
  7. 17. the ray of light that reflects off the mirror (9,3)
  8. 18. a line drawn at right angles (90°) to the surface of the mirror
  9. 19. the ray of light that arrives at the mirror (8,3)
Down
  1. 2. a time period of 24 hours (5,3)
  2. 3. a time period of 60 minutes (5,4)
  3. 4. the bending of light
  4. 6. the space between two lines that meet at a surface, measured in degrees
  5. 8. the changing shapes of the Moon in its monthly cycle
  6. 9. the point where rays of light converge (5,5)
  7. 10. a transparent material such as glass, Perspex or plastic with at least one curved surface
  8. 11. a flat mirror, rather than a mirror with a curved surface, such as a concave or convex mirror (5,6)
  9. 13. a time period of 365¼ days (5,4)
  10. 15. something our eyes see, but it is not real (7,8)
  11. 16. a material such as air, water or glass