Light
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. straight
A. A blue dye obtained from plants or made synthetically
2. luminous
B. An electrical device that alters the frequency spectrum of signals passing through it
3. violet
C. A poker hand with 5 consecutive cards
4. ray
D. Softly bright or radiant
5. reflect
E. The color of a fire truck
6. incidence
F. So thin as to ___ light
7. angle
G. A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms
8. normal
H. How fast something moves
9. scatter
I. Any of numerous low-growing violas with small flowers
10. plane
J. The space between two lines or planes that intersect
11. indigo
K. Citrus fruit that shares its name with a color
12. speed
L. To be bright by ___ or casting light
13. transparent
M. The striking of a light beam on a surface
14. dispersion
N. A haphazard distribution in all directions
15. spectrum
O. An aircraft that has a fixed wing and is powered by propellers or jets
16. prism
P. The color of a banana
17. filter
Q. An ordered array of the components of an emission or wave
18. absorb
R. Spreading widely or driving off
19. red
S. The color of the sky on a clear day
20. orange
T. The color of grass
21. yellow
U. To take up mentally
22. green
V. Something regarded as a ___ example
23. blue
W. A column of light