Across
- 4. The sun, but not the Moon is a light .........
- 6. Light passes through but is scattered, objects appear fuzzy
- 9. the reference line from which angles are measured
- 10. Only allows certain colours of light to pass through it
- 11. Process by which light bounces off an object
- 13. images in a mirror are ............ inverted
- 15. Process by whih light is separated into colours/wavelengths
- 18. The variable kept constant in an experiment
Down
- 1. The variable measured in an experiment
- 2. Radiating or reflecting light
- 3. light passes though it easily
- 4. 340 m/s speed of ........
- 5. The variable I change in an experiment
- 7. Process by which light changes direction as it enters a differenr medium
- 8. Absence of light caused by a solid object
- 12. light cannot pass through it
- 14. Light Amplification by Stimulated Emission of Radiation
- 16. Angle at which light hits a surface
- 17. The range of colours/wavelengths in white light, visible ..............
- 19. 300,000,000 m/s, speed of ............