Across
- 2. Process by which light changes direction as it enters a differenr medium
- 3. The variable I change in an experiment
- 5. images in a mirror are ............ inverted
- 7. 340 m/s speed of ........
- 9. Angle at which light hits a surface
- 10. light passes though it easily
- 13. The range of colours/wavelengths in white light, visible ..............
- 14. the reference line from which angles are measured
- 15. Only allows certain colours of light to pass through it
- 16. 300,000,000 m/s, speed of ............
- 17. The variable kept constant in an experiment
Down
- 1. Light passes through but is scattered, objects appear fuzzy
- 4. The variable measured in an experiment
- 6. Radiating or reflecting light
- 8. Process by whih light is separated into colours/wavelengths
- 11. Process by which light bounces off an object
- 12. light cannot pass through it
- 18. Light Amplification by Stimulated Emission of Radiation