Physics - Light Y9

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Across
  1. 3. Angle at which light hits a surface
  2. 4. Process by whih light is separated into colours/wavelengths
  3. 7. Light passes through but is scattered, objects appear fuzzy
  4. 8. Light Amplification by Stimulated Emission of Radiation
  5. 10. Radiating or reflecting light
  6. 11. The variable measured in an experiment
  7. 12. Process by which light changes direction as it enters a differenr medium
  8. 13. light cannot pass through it
  9. 14. the reference line from which angles are measured
Down
  1. 1. Only allows certain colours of light to pass through it
  2. 2. The range of colours/wavelengths in white light, visible ..............
  3. 3. The variable I change in an experiment
  4. 5. The variable kept constant in an experiment
  5. 6. Process by which light bounces off an object
  6. 7. light passes though it easily
  7. 9. 300,000,000 m/s, speed of ............