Using Light



1. An object which gives off its own light is called a ________ object.

2. Light produced from heat is called ____________ light.

3. Electrons flowing along a conductor is called ___________.

4. The incandescent light bulb has a filament made of ________.

5. Fluorescent lights produce __________ light.

6. An intense beam of coherent, single color light is called _____ light.

7. The difference between fluorescent light and neon light is _________.

8. Neon light is always ______ ___ in color.

9. List three uses for holographic systems:

a. _________________________________________________________

b. _________________________________________________________

c. _________________________________________________________

10. ____ is the color of light which bends the most.

11. ____ is the color of light which bends the least.

12. Fiber optics use the principles of _____ light and __________.

13. Substances which glow in the dark are called _____________ substances.

14. Phosphorescent substances can glow in the dark up to ___ hour(s).

15. Bar codes are read by _____ light.

16. The substances which coat the inside of a fluorescent bulb are called ________.

17. The moon is an ________ object.

18. The sun is a ___________ object.

19. A campfire is an ____________ light.

20. _____ light is a mixture of all frequencies of light.

21. ________ light has crests and troughs that all move in the same direction at the same time.

22. _________ are the use of laser light to produce a three dimensional image.

23. To see a rainbow, the sun must be ______ you.

24. The scientific model of light is that it is both a ____ and a particle called a ______.

25. Which uses more electricity fluorescent or incandescent light bulbs?

26. List the colors of the spectrum in order from the colors which bend the most to the colors which bend the least.








Using Light Notes