Visible light

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Across
  1. 4. Number of complete waves that move past a certain point in one second.
  2. 6. Word to describe an object that gives off light or glows in the dark.
  3. 7. Does not allow light to travel through.
  4. 10. White light that is broken up into different colours of light.
  5. 11. Ability of a wave to change direction when it passes from one medium to another.
  6. 12. Lit up or provided with light.
Down
  1. 1. Length of one wave pattern.
  2. 2. Pattern created by the repeated up and down movement of a medium when energy moves through it.
  3. 3. Light that has changed direction, but continues to travel in the orginal material.
  4. 5. diagram, Diagram that uses line with arrowheads to show the part of a ray of light.
  5. 8. Light travels to the material and is unable to travel any further.
  6. 9. Process in which light moves away from its orgin.