Across
- 3. if you shined this light into a prism, a rainbow would appear
- 4. the sun is an example of this property
- 5. the waves that are the shortest wavelength on the spectrum
- 7. light production occurring in biological organisms
- 10. a special type of light that is highly concentrated
- 13. a characteristic property of plane mirrors
- 15. this process tells us the colour of gases with the help of an electric current
- 17. this light production slowly releases visible light
- 19. how light travels because it does not need a medium
- 20. we see this light as a form of heat
- 22. another name for chemiluminescence
- 23. the toxic component in fluorescent lights
Down
- 1. the study of light to determine the path it takes when it strikes an object
- 2. this reflection refers to reflection of light off a bed of rocks
- 6. part of an incandescent lightbulb
- 8. the part of the spectrum visible to the human eye
- 9. an image where light doesn't actually come from the image location
- 11. name of angle that is at 90 degrees
- 12. the angle that is created from the source of light
- 13. light production through the use of an electrical device
- 14. this ray bounces off the reflective surface
- 16. these waves are used at airports to screen baggage
- 18. this acronym helps us describe the properties of an image
- 21. flat surface