Physics Year 7 - All about Light!

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Across
  1. 2. 'The highest point of a wave'
  2. 3. 'The lowest point of a wave'
  3. 6. 'The height of a wave from its equilibrium position'
  4. 8. 'The light-sensitive part of the eye'
  5. 9. 'A disturbance that travels through a medium and transports energy'
  6. 10. 'A wave where the disturbance moves perpendicular to the wave direction'
  7. 12. 'A lens or mirror that curves outward'
  8. 13. 'The bouncing back of light from a surface'
  9. 15. 'A wave where the disturbance moves in the same direction as the wave'
  10. 17. 'Eye cells that detect light but not color'
  11. 18. 'The distance between two consecutive crests or troughs'
Down
  1. 1. 'An electromagnetic wave that allows us to see'
  2. 2. 'A lens or mirror that curves inward'
  3. 4. 'The nerve that carries signals from the eye to the brain'
  4. 5. 'The substance through which a wave travels'
  5. 7. 'A transparent object that refracts and disperses light'
  6. 8. 'The bending of light when it changes medium'
  7. 11. 'The number of waves that pass a point in one second'
  8. 14. 'Eye cells that detect color'
  9. 16. 'A transparent optical device that refracts light'