Science Crossword

2. the point at which rays parallel to the optical axis reflect and meet
8. each packet of light energy
9. the image you see in a plane mirror
11. when light causes an electron to move so much that it is knocked out of metal
16. the energy that electromagnetic waves transfer through matter or space
17. a mirror with a surface that curves inward like the inside of a bowl
20. two primary colors combine in equal amounts to produce this
22. a mirror with a surface that curves out-ward
24. this forms when light rays actually meet

1. the light that passes through a polarized filter
3. occurs when parallel rays of light hit an uneven surface
4. this occurs when parallel rays of light hit a smooth surface
5. any two colors that combine to form white light are called this
6. a material that scatters the light that passes through it
7. a material that transmits most of the light that strikes it
10. a flat sheet of glass that has a smooth, silver colored coating on one side
11. three colors that can combine to make any other color
12. an imaginary line that divides a mirror in half
13. a transverse wave that involves the transfer of electric and magnetic energy
14. a copy of the object formed by reflected or refracted rays of light
15. when the three primary colors of light are combined in equal amounts
18. a material that reflects or absorbs all of the light that strikes it
19. light waves as straight lines
21. a color that is produced when the three primary colors of pigments are combined in equal amounts
23. colored substances that are used to color other materials