| A | B |
|---|
| light | form of energy that travels in waves that you can see |
| light rays | do not curve |
| sources | fire, sun, lights |
| vacuum | empty space that light can travel through |
| reflection | light bouncing back off a surface |
| image | likeness/copy formed when light reflects off smooth/shiny surface |
| absorbtion | light taken in by object |
| refraction | "bending" light as it moves from one material to another |
| mirage | illusion caused by the refraction of light rays |
| lens | piece of glass/plastic with curved surfaces that reflect light |
| convex lens | thicker center lens for farsightedness |
| concave lens | thinner center for nearsightedness |
| luminous | giving off own light |
| illuminated | reflecting light |
| opaque | object blocks light |
| transparent | object lets light through easily |
| translucent | object lets some, but not all light through |
| prism | solid transparent object that refracts light as it is passed through it |
| wavelength | distrance from one wave crest to another |
| crest | top of wave |
| trough | bottom of wave |
| visible spectrum | range of wavelengths in the electromagnetic spectrum that humans can see |
| ROY G BIV | colors of the rainbow |
| white | all of the colors being reflected |
| black | all of the colors being absorbed |
