Science Crossword

5. this forms when light rays actually meet
7. the point at which rays parallel to the optical axis reflect and meet
8. colored substances that are used to color other materials
9. a copy of the object formed by reflected or refracted rays of light
11. the energy that electromagnetic waves transfer through matter or space
14. a flat sheet of glass that has a smooth, silver colored coating on one side
15. a color that is produced when the three primary colors of pigments are combined in equal amounts
18. this occurs when parallel rays of light hit a smooth surface
19. a material that scatters the light that passes through it
21. a material that transmits most of the light that strikes it
22. two primary colors combine in equal amounts to produce this
23. a mirror with a surface that curves out-ward

1. the image you see in a plane mirror
2. light waves as straight lines
3. when the three primary colors of light are combined in equal amounts
4. each packet of light energy
6. an imaginary line that divides a mirror in half
8. when light causes an electron to move so much that it is knocked out of metal
10. any two colors that combine to form white light are called this
11. a transverse wave that involves the transfer of electric and magnetic energy
12. a mirror with a surface that curves inward like the inside of a bowl
13. occurs when parallel rays of light hit an uneven surface
16. the light that passes through a polarized filter
17. a material that reflects or absorbs all of the light that strikes it
20. three colors that can combine to make any other color