| 1. | A rainbow of colors. | A. | Ultraviolet | |
| 2. | shorter than radio waves. | B. | Polarize | |
| 3. | an object that is visible. | C. | amplitude | |
| 4. | the lowest part of a wave. | D. | Spectrum | |
| 5. | to put into one direction. | E. | trough | |
| 6. | the highest part of a wave. | F. | Crest | |
| 7. | the rate at which vibration occurs. | G. | Xrays | |
| 8. | extent or range of a vibratory movement. | H. | frequency | |
| 9. | It have even shorter than ultraviolet rays. | I. | Micro Waves | |
| 10. | the distance between successive crest of a wave. | J. | optics | |
| 11. | covers the wavelengths that can be seen by human eye. | K. | Luminous | |
| 12. | have the longest wavelengths in the electromagnetic spectrum. | L. | wavelength | |
| 13. | the branch of physics which involves the behavior and properties of light. | M. | Infared | |
| 14. | is an electromagnetic radiation with a wavelength shorter than that of visible light. | N. | Radio Waves | |
| 15. | it is the electromagnetic radiation with a wavelength longer than that of visible light. | O. | Visible Light |
D | 1. | A rainbow of colors. | A. | Ultraviolet |
I | 2. | shorter than radio waves. | B. | Polarize |
K | 3. | an object that is visible. | C. | amplitude |
E | 4. | the lowest part of a wave. | D. | Spectrum |
B | 5. | to put into one direction. | E. | trough |
F | 6. | the highest part of a wave. | F. | Crest |
H | 7. | the rate at which vibration occurs. | G. | Xrays |
C | 8. | extent or range of a vibratory movement. | H. | frequency |
G | 9. | It have even shorter than ultraviolet rays. | I. | Micro Waves |
L | 10. | the distance between successive crest of a wave. | J. | optics |
O | 11. | covers the wavelengths that can be seen by human eye. | K. | Luminous |
N | 12. | have the longest wavelengths in the electromagnetic spectrum. | L. | wavelength |
J | 13. | the branch of physics which involves the behavior and properties of light. | M. | Infared |
A | 14. | is an electromagnetic radiation with a wavelength shorter than that of visible light. | N. | Radio Waves |
M | 15. | it is the electromagnetic radiation with a wavelength longer than that of visible light. | O. | Visible Light |