| A | B |
|---|
| Visible Light | EM waves that we see in a range of colors - ROYGBIV |
| Photo-receptor cells | Rod and cone cells on the retina of the eye |
| Rods | Allow you to see black, white and grey |
| Cells | Allow you to see colors |
| Reflected | Incident light that bounces off a surface |
| Absorbed | Incident light that is "soaked up" by an object |
| Addition | Combining two things; calculating the total sum |
| Incident Light | Light approaching a surface or barrier |
| Pupil | Opening in the iris that allows light to reach the lens of the eye |
| Iris | Colored part at the front of the eye that controls the amount of light reaching the lens |
| Vitreous Humor | Part of the eye behind the lens that changes chemical makeup to help the eye adjust to the intensity of light |
| Retina | Part of the eye containing photo-receptor cells |
