| A | B |
|---|
| luminous | Objects that can make their own light |
| nonluminous | objects that cannot make their own light |
| rays | light travels in a straight line called a ___ |
| shadow | A _____ is formed when an opaque object blocks light. |
| transluscent | An object that is ____ allows some, but not all light rays to pass through. |
| transparent | ____ objects allow all light to pass through |
| reflected | the colors we see are the colors that are ____ by the objects |
| refraction | The bending of light as it passes from one substance to another |
| reflection | The bouncing of light off an object |
| lens | A transparent material used to bend light |
| concave lens | A ____________ bends light outward and is used to corect nearsightedness. |
| convex | A _____________ bends light inward and is used to correct farsightednes |
| noon | A shadow is longer early in the morning than at ______ |
| white | _______ light is made up of many colors |
| spectrum | All the colors that make up light are called the visible ________ |
| heat | Light and ______ are related to each other |
| pupil | The opening in the iris that allows light to enter the inside of the eye |
| lens | the part of the eye that refracts light to focus it |
| cornea | the transparent, curved covering in front of the eyes |
| retina | the back part of the eye where an image forms |
| optic nerve | the part of the eye that sends messages to the brain |
| telescopes/microscopes, glasses | 3 things that use lenses |
| cornea, pupil, lens, retina | The order that light enters the eye. |
