| A | B |
| reflection | light bouncing off of something |
| transluscent | lets light through but does not allow objects on the other side to be clearly seen |
| refraction | the process of bending light |
| absorb | to soak in |
| spectrum | a pattern of separate bands of color |
| lens | structure of the eye that focuses the light on the retina |
| rods | light-sensitive receptors that are sensitive to light and dark |
| cones | receptors that are sensitive to all the colors in the visible spectrum of light |
| iris | the colored area around the pupil which is a muscle that controls the size of the pupil |
| retina | a tissue in the eye that is sensitive to light which helps you to detect all kinds of colors and shapes, light and shadows |
| opaque | objects that reflect or absorb light but do not allow light to pass through |
| transparent | allows light to pass through it so that objects can be clearly seen on its other side |